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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>NGC 2575 - Galaxy - SKY-MAP</title> <LINK href="homepage1.css" type="text/css" rel="stylesheet"> <link type="text/css" CHARSET="UTF-8" rel="stylesheet" href="coolbar.css"/> <link rel="stylesheet" type="text/css" href="dhtml-menu.css" /> <style type="text/css"> hr { height: 1px; color: #aaa; background-color: #aaa; border: 0; margin: .2em 0 .2em 0; } h1, h2, h3, h4, h5, h6 { color: white; background: none; font-weight: normal; margin: 0; padding-top: .5em; padding-bottom: .17em; border-bottom: 1px solid #aaa; } h1 { font-size: 188%; } h1 .editsection { font-size: 53%; } .sTitle { margin-bottom: .1em; } </style> </head> <body bgcolor="BLACK" style="margin: 0"> <DIV id="d_top_line" style="BORDER-TOP-WIDTH: thin; CLEAR: right; PADDING-RIGHT: 0px; DISPLAY: inline; PADDING-LEFT: 0px; FONT-WEIGHT: bold; BORDER-LEFT-WIDTH: thin; FONT-SIZE: 11pt; BORDER-LEFT-COLOR: white; FLOAT: right; VISIBILITY: visible; BORDER-BOTTOM-WIDTH: thin; BORDER-BOTTOM-COLOR: white; PADDING-BOTTOM: 0px; MARGIN: 0px; OVERFLOW: visible; COLOR: white; BORDER-TOP-COLOR: white; PADDING-TOP: 0px; FONT-FAMILY: Sans-Serif; POSITION: absolute; LEFT: 0px; TOP: 0px; WIDTH: 940px; HEIGHT: 68px; BORDER-RIGHT-WIDTH: thin; TEXT-DECORATION: none; BORDER-RIGHT-COLOR: white; BACKGROUND-IMAGE: url(images/background_top.jpg)" align="left"> <script type='text/javascript' src='/jsc/dhtml-menu'></script> <script type="text/javascript"> function become_top_sponsor(){ ddrivetip('<table style="width:408px;border:1px solid gray;background-color:black;color:DodgerBlue;font-family:verdana;font-size:8pt;"><tr><td>The "Inhabited Sky" program awards you the status of "Supernova" if you "inhabit" a star and your donation related to this star is the largest of all those made to date (by anyone). Once you have acquired the status of "Supernova", the star that you are "inhabiting" will fall into a special category - "All Supernovas Sky". From that point on the "Supernova" status will be yours forever. Note: if you "inhabit" more than one star, the total amount of donations does not determine the "Supernova", the status of "Supernova" refers to the donation related to only one star. There is no limit to the number of times that you can become the "Supernova". <font color="#00ffff">Simply click here to become a Supernova!</font></td></tr></table>', 'BLACK', 150, 25); } function why_to_sponsor(){ ddrivetip('<table style="width:408px;border:1px solid gray;background-color:black;color:DodgerBlue;font-family:verdana;font-size:8pt;"><tr><td>By "inhabiting a star" you bond your name forever both with your chosen star and SKY-MAP.ORG. You will receive a web page linked to your star on "INHABITED SKY" which becomes from now on, your own personal page, where you can place any business or personal information. <br><font style="FONT-SIZE:3px;"> </font><br><img src="images/SuperNova.jpg" border=0 width=404 height=288></td></tr></table>', 'BLACK', 150, 25); } function why_to_sponsor1(){ ddrivetip('<table style="width:408px;border:1px solid gray;background-color:black;color:DodgerBlue;font-family:verdana;font-size:8pt;"><tr><td>By "inhabiting a star" you bond your name forever both with your chosen star and SKY-MAP.ORG. You will receive a web page linked to your star on "INHABITED SKY" which becomes from now on, your own personal page, where you can place any business or personal information. <br><font style="FONT-SIZE:3px;"> </font><br>The authors imagine SKY-MAP.ORG as a bridge linking the incredibly beautiful, and unimaginably complex world of modern science to the world of your everyday person as well as to the world of children. The authors hope that their site will make it possible to intrigue all layers of society to the grandeur of the outer space. The dream of the authors is to awaken the general public’s interest in the outer space – for us all to recognize the consequences behind Stephen Hawking’s opinion, that humanity does not have a future, if it would not feel at home in the Universe.<br>You may sponsor SKY-MAP.ORG through joining "Inhabit a Star" program.</td></tr></table>', 'BLACK', 150, 25); } function show_message(message){ ddrivetip('<table style="width:208px;border:1px solid gray;background-color:black;color:white;font-family:verdana;font-size:10pt;"><tr><td>'+message+'</td></tr></table>', 'BLACK', 150, 25); } function become_latest_sponsor(){ ddrivetip('<table style="width:408px;border:1px solid gray;background-color:black;color:DodgerBlue;font-family:verdana;font-size:8pt;"><tr><td>With the "Inhabited Sky" program you can acquire "Nova" status as soon as you "inhabit" a star and you will retain this status until somebody else "inhabits" another star. If you subsequently "inhabit" another star, you will obtain "Nova" status again, meaning that there is no limit to the number of times that you can become the "Nova".</td></tr></table>', 'BLACK', 150, 25); } var submenu_top20 = { "-" : "javascript:alert('Product 2');", "Chich" : "event:target:_blank:event:onmouseover:show_message('<font size=-2><b>Star ID: 2431'+'</b></font><br><font color=DodgerBlue size=-2>'+'This star belongs to the Girls and Woohoo.</font>'):event:onmouseout:hideddrivetip():href:http://my.sky-map.org?zoom=12&show_box=1&star_id=2431", "BRAD SCOTT" : "event:target:_blank:event:onmouseover:show_message('<font size=-2><b>Star ID: 6306'+'</b></font><br><font color=DodgerBlue size=-2>'+'WOW..I&#39;m humbled by the glorious magnitude of this project and grate full to be a contributor...<br>to the many children of the world...<br>&quot;Wish high,Wish far ,Wish hard. Wish upon a STAR&quot;<br>ALOHA</font>'):event:onmouseout:hideddrivetip():href:http://my.sky-map.org?zoom=12&show_box=1&star_id=6306", "Jaekyu Eo" : "event:target:_blank:event:onmouseover:show_message('<font size=-2><b>Star ID: 689612'+'</b></font><br><font color=DodgerBlue size=-2>'+'</font>'):event:onmouseout:hideddrivetip():href:http://my.sky-map.org?zoom=12&show_box=1&star_id=689612", "estrela" : "event:target:_blank:event:onmouseover:show_message('<font size=-2><b>Star ID: 690409'+'</b></font><br><font color=DodgerBlue size=-2>'+'</font>'):event:onmouseout:hideddrivetip():href:http://astronote.org", "Anna Blake" : "event:target:_blank:event:onmouseover:show_message('<font size=-2><b>Star ID: 813006981'+'</b></font><br><font color=DodgerBlue size=-2>'+'Happy birthday Matthew, I hope you’ll like it!</font>'):event:onmouseout:hideddrivetip():href:http://my.sky-map.org?zoom=12&show_box=1&star_id=813006981" }; var submenu_products = { "   Open Supernova’s Website" : "event:target:_blank:event:class:snap_noshots:href:http://my.sky-map.org?zoom=12&show_box=1&star_id=2431", "   20 LATEST SUPERNOVAS >>" : submenu_top20, "   The Sky of All Supernovas" : "event:class:snap_noshots:href:http://my.sky-map.org/?", "   How to Become Supernova?" : "event:onmouseover:become_top_sponsor():event:onmouseout:hideddrivetip():href:http:/adopt_services.jsp?top_price=250.00", "   Supernovas on SKY-MAP" : "event:onmouseover:why_to_sponsor1():event:onmouseout:hideddrivetip():href:/adopt_services.jsp?top_price=250.00", "   Inhabit a Star!" : "event:target:_blank:href:http:/adopt_services.jsp?top_price=250.00" }; var submenu_top20latest = { "-" : "javascript:alert('Product 2');", "Anonymous" : "event:target:_blank:event:onmouseover:show_message('<font size=-2><b>Star ID: 1984252'+'</b></font><br><font color=DodgerBlue size=-2>'+'</font>'):event:onmouseout:hideddrivetip():href:http://my.sky-map.org?zoom=12&show_box=1&star_id=1984252", "Anonymous" : "event:target:_blank:event:onmouseover:show_message('<font size=-2><b>Star ID: 77816'+'</b></font><br><font color=DodgerBlue size=-2>'+'</font>'):event:onmouseout:hideddrivetip():href:http://my.sky-map.org?zoom=12&show_box=1&star_id=77816", "Anonymous" : "event:target:_blank:event:onmouseover:show_message('<font size=-2><b>Star ID: 279782'+'</b></font><br><font color=DodgerBlue size=-2>'+'</font>'):event:onmouseout:hideddrivetip():href:http://my.sky-map.org?zoom=12&show_box=1&star_id=279782", "Carla Criner" : "event:target:_blank:event:onmouseover:show_message('<font size=-2><b>Star ID: 1109643'+'</b></font><br><font color=DodgerBlue size=-2>'+'</font>'):event:onmouseout:hideddrivetip():href:http://my.sky-map.org?zoom=12&show_box=1&star_id=1109643", "Anonymous" : "event:target:_blank:event:onmouseover:show_message('<font size=-2><b>Star ID: 1003956'+'</b></font><br><font color=DodgerBlue size=-2>'+'</font>'):event:onmouseout:hideddrivetip():href:http://my.sky-map.org?zoom=12&show_box=1&star_id=1003956", "Timothy Carter" : "event:target:_blank:event:onmouseover:show_message('<font size=-2><b>Star ID: 624028832'+'</b></font><br><font color=DodgerBlue size=-2>'+'</font>'):event:onmouseout:hideddrivetip():href:http://my.sky-map.org?zoom=12&show_box=1&star_id=624028832", "Misty Bell" : "event:target:_blank:event:onmouseover:show_message('<font size=-2><b>Star ID: 412735'+'</b></font><br><font color=DodgerBlue size=-2>'+'</font>'):event:onmouseout:hideddrivetip():href:http://my.sky-map.org?zoom=12&show_box=1&star_id=412735", "AMOL PANCHAL" : "event:target:_blank:event:onmouseover:show_message('<font size=-2><b>Star ID: 1577647'+'</b></font><br><font color=DodgerBlue size=-2>'+'</font>'):event:onmouseout:hideddrivetip():href:http://my.sky-map.org?zoom=12&show_box=1&star_id=1577647", "Anonymous" : "event:target:_blank:event:onmouseover:show_message('<font size=-2><b>Star ID: 819833'+'</b></font><br><font color=DodgerBlue size=-2>'+'</font>'):event:onmouseout:hideddrivetip():href:http://my.sky-map.org?zoom=12&show_box=1&star_id=819833", "ANQI BAO" : "event:target:_blank:event:onmouseover:show_message('<font size=-2><b>Star ID: 2390241'+'</b></font><br><font color=DodgerBlue size=-2>'+'A start for Leo-- the American Scholar</font>'):event:onmouseout:hideddrivetip():href:http://my.sky-map.org?zoom=12&show_box=1&star_id=2390241", "Aleksandr Karmanov" : "event:target:_blank:event:onmouseover:show_message('<font size=-2><b>Star ID: 872581'+'</b></font><br><font color=DodgerBlue size=-2>'+'</font>'):event:onmouseout:hideddrivetip():href:http://my.sky-map.org?zoom=12&show_box=1&star_id=872581", "Ayrton84" : "event:target:_blank:event:onmouseover:show_message('<font size=-2><b>Star ID: 364778'+'</b></font><br><font color=DodgerBlue size=-2>'+'</font>'):event:onmouseout:hideddrivetip():href:http://my.sky-map.org?zoom=12&show_box=1&star_id=364778", "Kim Huybrechts" : "event:target:_blank:event:onmouseover:show_message('<font size=-2><b>Star ID: 1972251'+'</b></font><br><font color=DodgerBlue size=-2>'+'Star light, Star bright...<br>My love will shine on you, <br>every day &amp; every night!!<br>HAPPY BIRTHDAY MAMA</font>'):event:onmouseout:hideddrivetip():href:http://my.sky-map.org?zoom=12&show_box=1&star_id=1972251", "Andy Marcus" : "event:target:_blank:event:onmouseover:show_message('<font size=-2><b>Star ID: 1535755'+'</b></font><br><font color=DodgerBlue size=-2>'+'</font>'):event:onmouseout:hideddrivetip():href:http://my.sky-map.org?zoom=12&show_box=1&star_id=1535755", "Lisa Palandri" : "event:target:_blank:event:onmouseover:show_message('<font size=-2><b>Star ID: 1127042'+'</b></font><br><font color=DodgerBlue size=-2>'+'Because I love him so much. A star can&#39;t belongs to a human but he will be the star of my life forever.</font>'):event:onmouseout:hideddrivetip():href:http://my.sky-map.org?zoom=12&show_box=1&star_id=1127042", "Anonymous" : "event:target:_blank:event:onmouseover:show_message('<font size=-2><b>Star ID: 1437618'+'</b></font><br><font color=DodgerBlue size=-2>'+'</font>'):event:onmouseout:hideddrivetip():href:http://my.sky-map.org?zoom=12&show_box=1&star_id=1437618", "Aleksandr Karmanov" : "event:target:_blank:event:onmouseover:show_message('<font size=-2><b>Star ID: 72428'+'</b></font><br><font color=DodgerBlue size=-2>'+'</font>'):event:onmouseout:hideddrivetip():href:http://my.sky-map.org?zoom=12&show_box=1&star_id=72428", "Aleksandr Karmanov" : "event:target:_blank:event:onmouseover:show_message('<font size=-2><b>Star ID: 316599'+'</b></font><br><font color=DodgerBlue size=-2>'+'</font>'):event:onmouseout:hideddrivetip():href:http://my.sky-map.org?zoom=12&show_box=1&star_id=316599", "Aleksandr Karmanov" : "event:target:_blank:event:onmouseover:show_message('<font size=-2><b>Star ID: 314169'+'</b></font><br><font color=DodgerBlue size=-2>'+'</font>'):event:onmouseout:hideddrivetip():href:http://my.sky-map.org?zoom=12&show_box=1&star_id=314169", "Anonymous" : "event:target:_blank:event:onmouseover:show_message('<font size=-2><b>Star ID: 757760636'+'</b></font><br><font color=DodgerBlue size=-2>'+'</font>'):event:onmouseout:hideddrivetip():href:http://my.sky-map.org?zoom=12&show_box=1&star_id=757760636" }; 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border-width:0px;"> <td nowrap style="border-style: solid; border-color:yellow; border-width:0px;" align="left" valign="top" rowspan="2"> <DIV id="d_top_logo" style="FONT-SIZE: 20px; Z-INDEX: 100; CURSOR: default">SKY-MAP.<FONT color=red>ORG</FONT></DIV> </td> <td rowspan="2" style="FONT-SIZE: 12px;border-style: solid; border-color:yellow; border-width:0px;padding-top:0px;padding-bottom:0px;">&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp</td> <td rowspan="2" style="FONT-SIZE: 12px;height:13px;padding-top:0px;padding-bottom:0px;" align="left" nowrap>  </td> <td colspan="3" style="FONT-SIZE: 12px;height:13px;padding-top:0px;padding-bottom:0px;" align="left" nowrap>  </td> </tr> <tr> <td align="right" valign="top" style="border-style: solid; border-color:yellow; border-width:0px;padding-top:0px;padding-bottom:0px;" nowrap>  </td> <td style="FONT-SIZE: 12px;padding-top:0px;padding-bottom:0px;" valign="top"></td> <td align="left" style="padding-top:0px;padding-bottom:0px;" valign="top">  </td> </tr> </table> <FORM METHOD='POST' ACTION='?object=NGC+2575'> <DIV id="d_top_language_links" style="FONT-SIZE: 7pt; Z-INDEX: 100; POSITION: absolute; LEFT: 0px; TOP: -15px; WIDTH: 100%; TEXT-ALIGN: right; CURSOR: default"> <a href='?object=NGC+2575&locale=DE'>DE</a> <a href='?object=NGC+2575&locale=RU'>RU</a> <a href='?object=NGC+2575&locale=SV'>SV</a> <a href='?object=NGC+2575&locale=KO'>KO</a> <a href='?object=NGC+2575&locale=PT'>PT</a> <a href='?object=NGC+2575&locale=EL'>EL</a> <a href='?object=NGC+2575&locale=EN'>EN</a> <a href='?object=NGC+2575&locale=IT'>IT</a> <a href='?object=NGC+2575&locale=FR'>FR</a> <a href='?object=NGC+2575&locale=HU'>HU</a> <a href='?object=NGC+2575&locale=ES'>ES</a> <a href='?object=NGC+2575&locale=ZH'>ZH</a> <a href='?object=NGC+2575&locale=JA'>JA</a> <a href='?object=NGC+2575&locale=PL'>PL</a> <a href='?object=NGC+2575&locale=HE'>HE</a> <a href='?object=NGC+2575&locale=CA'>CA</a> <a href='?object=NGC+2575&locale=NL'>NL</a> <a href='?object=NGC+2575&locale=TR'>TR</a> <a href='?object=NGC+2575&locale=SR'>SR</a> </DIV> <DIV id="d_top_language" style="FONT-SIZE: 12px; Z-INDEX: 100; POSITION: absolute; LEFT: 0px; TOP: 6px; WIDTH: 100%; TEXT-ALIGN: right; CURSOR: default"> <span style="position: relative; top:0px; right: 16px"> <a href="https://twitter.com/SkyMapLaunch" class="twitter-follow-button" data-show-screen-name="true" data-show-count="false" style="height:15px">Follow @SkyMapLaunch</a> <script async="" src="//platform.twitter.com/widgets.js" charset="utf-8"></script> </span> <span style="position: relative; top:-5px; right: 6px"> <SELECT name='select_locale' class='TextField' ONCHANGE='this.form.submit();' ><OPTION value='DE'>Deutsch<OPTION value='RU'>Русский<OPTION value='SV'>Svenska<OPTION value='KO'>Korean<OPTION value='PT'>Português<OPTION value='EL'>Ελληνικά<OPTION value='EN' SELECTED>English<OPTION value='IT'>Italiano<OPTION value='FR'>Français<OPTION value='HU'>Magyar<OPTION value='ES'>Español<OPTION value='ZH'>Chinese<OPTION value='JA'>日本語<OPTION value='PL'>Polski<OPTION value='HE'>עִבְרִית<OPTION value='CA'>Català<OPTION value='NL'>Nederlands<OPTION value='TR'>Turkish<OPTION value='SR'>Srpski</SELECT> </span> </DIV> </FORM> <script type="text/javascript"> var currentLogo="Default"; var topLogos={Default:"SKY-MAP.<FONT color=red>ORG</FONT>",INHABITED:"<img src='images/star_b1_sm.gif' border=0 width=35 height=35 style='float:left;position:relative;top:-7;left:-2;'><font color=red>INHABITED</font> SKY",BLOGS:"<img src='images/star_b1_sm.gif' border=0 width=35 height=35 style='float:left;position:relative;top:-7;left:-2;'>BLOGS<font color=red>@</font>SKY",NEWS:"<img src='images/star_b1_sm.gif' border=0 width=35 height=35 style='float:left;position:relative;top:-7;left:-2;'>NEWS<font color=red>@</font>SKY",ET:"<FONT color=red>ET</FONT>.SKY-MAP"}; function fundraiser_label(){ ddrivetip('<table style="width:500px;border:1px solid gray;background-color:black;color:white;font-family:verdana;font-size:10pt"><tr><td><p>When we just started SKY-MAP five years ago, we thought only about the fun it would create for our own kids and hoped to open a wide window to the Universe for them. During the first three weeks of January 2011, SKY-MAP received over 1.5 million visitors from 190 countries.</p><p>The constant increase in traffic has made our servers slow and unstable and our environment has become insufficient. With such servers, it is almost impossible to upgrade the system with the new sets of astronomical data and we don’t have enough power to process all the Internet requests.</p><p>We urgently need to replace our two 6-years old servers. According to our calculations, $14,000US would be sufficient for us to purchase two new dual 6-core CPU servers. This hardware would be able to serve you perfectly and would give us enough space and flexibility for at least the immediate future.</p><p>We need your support in order for SKY-MAP (WIKISKY) to remain stable, fast, and advertisement-free.</p><p>We need your support to continue and intensify the development, enriching SKY-MAP with new data and functions.</p><br/><p align=center><em>Server upgrade fundraiser progress meter</em><br/><div style="width:467px;height:14px;position:relative;top:0px;left:15px;font-size:1px;cursor:pointer;border:1px #404040 solid"><img src="/img/servers_bar.png" style="position:absolute;left:0;top:0;width:467px;height:14px"><div style="position:absolute;left:0;top:0;height:14px;font-size:1px;width:68px;background-color:green;opacity:0.75;filter:alpha(opacity=75)"></div><div style="position:absolute;top:-1;left:9px;color:yellow;font-size:10pt;font-weight:bold">14.71%</p></div></p></td></tr></table>', 'BLACK', 150, 25); } function survive_label(){ ddrivetip('<table style="width:300px;border:1px solid gray;background-color:black;color:white;font-family:verdana;"><tr><td><font size=-1><i>"I don\'t think the human race will survive the next thousand years, unless we spread into space. There are too many accidents that can befall life on a single planet."</i><br><p align="right">Stephen Hawking</p></font></td></tr></table>', 'BLACK', 150, 25); } function service_label(){ ddrivetip('<table style="width:208px;border:1px solid gray;background-color:black;color:white;font-family:verdana;"><tr><td><img src="images/gift.jpg" border=0 style="float:left;position:relative;top:-1;left:0;"></td></tr></table>', 'BLACK', 150, 25); } function news_label(){ ddrivetip('<table style="width:300px;border:1px solid gray;background-color:black;color:white;font-family:verdana;font-size:8pt"><tr><td>The NEWS<font color=red>@</font>SKY (Space&Science) is a unique opportunity to browse hundreds of scientific and popular science Internet sites without a single mouse click!</td></tr></table>', 'BLACK', 150, 25); } function gift_label(){ ddrivetip('<table style="width:172px;border:1px solid gray;background-color:black;color:white;font-family:verdana;"><tr><td><img src="images/gift.jpg" border=0 style="float:left;position:relative;top:-1;left:0;"></td></tr></table>', 'BLACK', 100, 25); } function service_label15(){ ddrivetip('<table style="width:352px;border:1px solid gray;background-color:black;color:white;font-family:verdana;"><tr><td><font size=-2>NEWS@SKY is a unique system, which brings together a large number of the Internet based information portals.All presented on NEWS@SKY media are part of the NEWS@SKY community. Under certain circumstances, any Internet information portal can become a member of this community.</font><br><img src="images/astar.jpg" border=0 style="float:left;position:relative;top:-1;left:0;"></td></tr></table>', 'BLACK', 100, 25); } function service_label8(){ ddrivetip('<table style="width:208px;border:1px solid gray;background-color:black;color:white;font-family:verdana;"><tr><td><img src="images/simpson5.jpg" border=0 style="float:left;position:relative;top:-1;left:0;"></td></tr></table>', 'BLACK', 100, 25); } function updateLogo(logoId, subLogo){ currentLogo=logoId; var newLogo=topLogos[logoId]; if (subLogo) newLogo+=" <font style='font-size:16px'>("+subLogo+")</font>"; document.getElementById("d_top_logo").innerHTML=newLogo; } var menuPress=['<a href="http://sky-map.org/wiki/Press_Releases" target="_blank"><font color=white>Press Releases</font></a>', '<a href="http://sky-map.org/wiki/Publications" target="_blank"><font color=white><nobr>SKY-MAP in World Media</nobr></font></a>']; 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text-align: left; position: absolute; width: 400px; border: 0px solid #aaa; padding: 2px; visibility: hidden; z-index: 100;'></div> <DIV id="d_body"style="POSITION: absolute; LEFT: 10px; TOP: 70px; WIDTH:930px; border:0px solid white"> <h1 class='sTitle'>NGC 2575</h1> <table border=0 cellpadding=2 cellspacing=0 width=100%> <tr valign=top><td align=left style='border-right: 1px solid #aaa;'> <br><a name='Images'></a><b>Contents</b><ul> <li><a href='#Images'>Images</a></li> <li><a href='#Articles'>Related articles</a></li> <li><a href='#Links'>Related links</a></li> <li><a href='#Groups'>Groups</a></li> </ul> <br><a name='Images'></a><h3>Images</h3> <table> <tr> <td valign=top style='width:150;height:150;background-color:#181820;'><div style='position:relative;left:0px;top:25px;width:150;height:100;cursor:pointer'>  <a title="http://www.xanaduobservatory.com/M44Saturn.jpg" href='./?img_source=IMG_904773:all&ra=8.379139&de=24.29722&zoom=4&show_box=1&box_ra=8.379139&box_de=24.29722&box_width=7&box_height=7&box_var_size=1' rel='nofollow'> <img title="http://www.xanaduobservatory.com/M44Saturn.jpg" src='http://images.sky-map.org/star_img_thumb/904/904773.jpeg' border=0 width="150" height="100" style='position:absolute;left:0px;top:0px;border:0px solid #aaa;'><div style='position:absolute;left:129px;top:69px;width:14px;height:14px;border:1px solid #aaa;font-size:1px'></div></a></div></td><td valign=top style='width:150;height:150;background-color:#181820;'><div style='position:relative;left:27px;top:0px;width:96;height:150;cursor:pointer'>  <a title="http://www.astronight.com/images/35MM/Untitled-42.jpg" href='./?img_source=IMG_905061:all&ra=8.379139&de=24.29722&zoom=3&show_box=1&box_ra=8.379139&box_de=24.29722&box_width=7&box_height=7&box_var_size=1' rel='nofollow'> <img title="http://www.astronight.com/images/35MM/Untitled-42.jpg" src='http://images.sky-map.org/star_img_thumb/905/905061.jpeg' border=0 width="96" height="150" style='position:absolute;left:0px;top:0px;border:0px solid #aaa;'><div style='position:absolute;left:32px;top:104px;width:14px;height:14px;border:1px solid #aaa;font-size:1px'></div></a></div></td><td valign=top style='width:150;height:150;background-color:#181820;'><div style='position:relative;left:0px;top:24px;width:150;height:102;cursor:pointer'>  <a title="http://www.astronight.com/images/35MM/Untitled-44.jpg" href='./?img_source=IMG_905060:all&ra=8.379139&de=24.29722&zoom=3&show_box=1&box_ra=8.379139&box_de=24.29722&box_width=7&box_height=7&box_var_size=1' rel='nofollow'> <img title="http://www.astronight.com/images/35MM/Untitled-44.jpg" src='http://images.sky-map.org/star_img_thumb/905/905060.jpeg' border=0 width="150" height="102" style='position:absolute;left:0px;top:0px;border:0px solid #aaa;'><div style='position:absolute;left:61px;top:-4px;width:14px;height:14px;border:1px solid #aaa;font-size:1px'></div></a></div></td><td valign=top style='width:150;height:150;background-color:#181820;'><div style='position:relative;left:0px;top:16px;width:150;height:117;cursor:pointer'>  <a title="Orion, Carina constellations" href='./?img_source=IMG_619:all&ra=8.379139&de=24.29722&zoom=1&show_box=1&box_ra=8.379139&box_de=24.29722&box_width=7&box_height=7&box_var_size=1' rel='nofollow'> <img title="Orion, Carina constellations" src='http://images.sky-map.org/star_img_thumb/000/000619.jpeg' border=0 width="150" height="117" style='position:absolute;left:0px;top:0px;border:0px solid #aaa;'><div style='position:absolute;left:123px;top:0px;width:14px;height:14px;border:1px solid #aaa;font-size:1px'></div></a></div></td></tr><tr><td valign=top style='width:150;height:150;background-color:#181820;'><div style='position:relative;left:26px;top:0px;width:98;height:150;cursor:pointer'>  <a title="Gemini Constellation" href='./?img_source=IMG_105:all&ra=8.379139&de=24.29722&zoom=3&show_box=1&box_ra=8.379139&box_de=24.29722&box_width=7&box_height=7&box_var_size=1' rel='nofollow'> <img title="Gemini Constellation" src='http://images.sky-map.org/star_img_thumb/000/000105.jpeg' border=0 width="98" height="150" style='position:absolute;left:0px;top:0px;border:0px solid #aaa;'><div style='position:absolute;left:13px;top:7px;width:14px;height:14px;border:1px solid #aaa;font-size:1px'></div></a></div></td><td valign=top style='width:150;height:150;background-color:#181820;'><div style='position:relative;left:0px;top:20px;width:150;height:109;cursor:pointer'>  <a title="SDSS3 frame. Run:3635, rerun:301, field:98, camcol:2" href='./?img_source=SDSS&img_id=1002365108:all&img_borders=1002365108&ra=8.379139&de=24.29722&zoom=10&show_box=1&box_ra=8.379139&box_de=24.29722&box_width=7&box_height=7&box_var_size=1' rel='nofollow'> <img title="SDSS3 frame. Run:3635, rerun:301, field:98, camcol:2" src='http://data.sdss3.org/sas/dr8/groups/boss/photoObj/frames/301/3635/2/frame-thumb-irg-003635-2-0098.jpg' border=0 width="150" height="109" style='position:absolute;left:0px;top:0px;border:0px solid #aaa;'><div style='position:absolute;left:129px;top:14px;width:14px;height:14px;border:1px solid #aaa;font-size:1px'></div></a></div></td><td valign=top style='width:150;height:150;background-color:#181820;'><div style='position:relative;left:0px;top:20px;width:150;height:109;cursor:pointer'>  <a title="SDSS3 frame. Run:3644, rerun:301, field:102, camcol:2" href='./?img_source=SDSS&img_id=1002367856:all&img_borders=1002367856&ra=8.379139&de=24.29722&zoom=10&show_box=1&box_ra=8.379139&box_de=24.29722&box_width=7&box_height=7&box_var_size=1' rel='nofollow'> <img title="SDSS3 frame. Run:3644, rerun:301, field:102, camcol:2" src='http://data.sdss3.org/sas/dr8/groups/boss/photoObj/frames/301/3644/2/frame-thumb-irg-003644-2-0102.jpg' border=0 width="150" height="109" style='position:absolute;left:0px;top:0px;border:0px solid #aaa;'><div style='position:absolute;left:3px;top:0px;width:14px;height:14px;border:1px solid #aaa;font-size:1px'></div></a></div></td><td valign=top style='width:150;height:150;background-color:#181820;'><div style='position:relative;left:0px;top:20px;width:150;height:109;cursor:pointer'>  <a title="SDSS3 frame. Run:3644, rerun:301, field:103, camcol:2" href='./?img_source=SDSS&img_id=1002367862:all&img_borders=1002367862&ra=8.379139&de=24.29722&zoom=10&show_box=1&box_ra=8.379139&box_de=24.29722&box_width=7&box_height=7&box_var_size=1' rel='nofollow'> <img title="SDSS3 frame. Run:3644, rerun:301, field:103, camcol:2" src='http://data.sdss3.org/sas/dr8/groups/boss/photoObj/frames/301/3644/2/frame-thumb-irg-003644-2-0103.jpg' border=0 width="150" height="109" style='position:absolute;left:0px;top:0px;border:0px solid #aaa;'><div style='position:absolute;left:3px;top:99px;width:14px;height:14px;border:1px solid #aaa;font-size:1px'></div></a></div></td></tr><tr><td valign=top style='width:150;height:150;background-color:#181820;'><div style='position:relative;left:0px;top:20px;width:150;height:109;cursor:pointer'>  <a title="SDSS3 frame. Run:4335, rerun:301, field:105, camcol:6" href='./?img_source=SDSS&img_id=1002510426:all&img_borders=1002510426&ra=8.379139&de=24.29722&zoom=10&show_box=1&box_ra=8.379139&box_de=24.29722&box_width=7&box_height=7&box_var_size=1' rel='nofollow'> <img title="SDSS3 frame. Run:4335, rerun:301, field:105, camcol:6" src='http://data.sdss3.org/sas/dr8/groups/boss/photoObj/frames/301/4335/6/frame-thumb-irg-004335-6-0105.jpg' border=0 width="150" height="109" style='position:absolute;left:0px;top:0px;border:0px solid #aaa;'><div style='position:absolute;left:60px;top:69px;width:14px;height:14px;border:1px solid #aaa;font-size:1px'></div></a></div></td><td valign=top style='width:150;height:150;background-color:#181820;'><div style='position:relative;left:0px;top:20px;width:150;height:109;cursor:pointer'>  <a title="SDSS3 frame. Run:3900, rerun:301, field:30, camcol:6" href='./?img_source=SDSS&img_id=1002407994:all&img_borders=1002407994&ra=8.379139&de=24.29722&zoom=10&show_box=1&box_ra=8.379139&box_de=24.29722&box_width=7&box_height=7&box_var_size=1' rel='nofollow'> <img title="SDSS3 frame. Run:3900, rerun:301, field:30, camcol:6" src='http://data.sdss3.org/sas/dr8/groups/boss/photoObj/frames/301/3900/6/frame-thumb-irg-003900-6-0030.jpg' border=0 width="150" height="109" style='position:absolute;left:0px;top:0px;border:0px solid #aaa;'><div style='position:absolute;left:57px;top:56px;width:14px;height:14px;border:1px solid #aaa;font-size:1px'></div></a></div></td><td valign=top style='width:150;height:150;background-color:#181820;'><div style='position:relative;left:0px;top:0px;width:150;height:150;cursor:pointer'>  <a title="GALEX frame AIS_195_sg25-xd-int_2color. RA=8.339420064290334, Dec=24.9350109100342" href='./?img_source=GALEX&img_id=1010014411:all&img_borders=1010014411&ra=8.379139&de=24.29722&zoom=9&show_box=1&box_ra=8.379139&box_de=24.29722&box_width=7&box_height=7&box_var_size=1' rel='nofollow'> <img title="GALEX frame AIS_195_sg25-xd-int_2color. RA=8.339420064290334, Dec=24.9350109100342" src='http://galex.stsci.edu/GR4/data/GR4/pipe/02-vsn/50195-AIS_195/d/01-main/0001-img/06-try/qa/AIS_195_sg25-xd-int_2color_thumb.jpg' border=0 width="150" height="150" style='position:absolute;left:0px;top:0px;border:0px solid #aaa;'><div style='position:absolute;left:17px;top:127px;width:14px;height:14px;border:1px solid #aaa;font-size:1px'></div></a></div></td><td valign=top style='width:150;height:150;background-color:#181820;'><div style='position:relative;left:0px;top:0px;width:150;height:150;cursor:pointer'>  <a title="GALEX frame AIS_195_sg35-xd-int_2color. RA=8.409506734212266, Dec=24.8074398040771" href='./?img_source=GALEX&img_id=1010014417:all&img_borders=1010014417&ra=8.379139&de=24.29722&zoom=9&show_box=1&box_ra=8.379139&box_de=24.29722&box_width=7&box_height=7&box_var_size=1' rel='nofollow'> <img title="GALEX frame AIS_195_sg35-xd-int_2color. RA=8.409506734212266, Dec=24.8074398040771" src='http://galex.stsci.edu/GR4/data/GR4/pipe/02-vsn/50195-AIS_195/d/01-main/0001-img/06-try/qa/AIS_195_sg35-xd-int_2color_thumb.jpg' border=0 width="150" height="150" style='position:absolute;left:0px;top:0px;border:0px solid #aaa;'><div style='position:absolute;left:106px;top:115px;width:14px;height:14px;border:1px solid #aaa;font-size:1px'></div></a></div></td> </tr> </table> <font size=-1><a href='user?page=images&ra=8.379139&de=24.29722&action=edit' rel='nofollow'>Upload your image</a></font> <br><br><a href='star_dss_image.jsp?ra=8.379139&de=24.29722&angle=.25' rel='nofollow'>DSS Images</a>   <a href='star_images.jsp'>Other Images</a> <br><br><br><a name='Articles'></a><h3>Related articles</h3> <table> <tr><td colspan=2><a href='http://adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003PASP..115.1280V&link_type=ABSTRACT'><b>Classifications of the Host Galaxies of Supernovae, Set II</b></a><br><font size=-1><i>Classifications on the DDO system are given for an additional 231 hostgalaxies of supernovae that have been discovered during the course ofthe Lick Observatory Supernova Search with the Katzman Automatic ImagingTelescope (KAIT). This brings the total number of hosts of supernovae(SNe) discovered (or independently rediscovered) by KAIT, which have sofar been classified on a homogeneous system, to 408. The probabilitythat SNe Ia and SNe II have a different distribution of host-galaxyHubble types is found to be 99.7%. A significant difference is alsofound between the distributions of the host galaxies of SNe Ia and ofSNe Ibc (defined here to include SNe Ib, Ib/c, and Ic). However, nosignificant difference is detected between the frequency distributionsof the host galaxies of SNe II and SNe IIn. This suggests that SNe IInare generally not SNe Ia embedded in circumstellar material that aremasquerading as SNe II. Furthermore, no significant difference is foundbetween the distribution of the Hubble types of the hosts of SNe Ibc andof SNe II. Additionally, SNe II-P and SNe II-L are found to occur amongsimilar stellar populations. The ratio of the number of SNe Ia-pec tonormal SNe Ia appears to be higher in early-type galaxies than it is ingalaxies of later morphological types. This suggests that the ancestorsof SNe Ia-pec may differ systematically in age or composition from theprogenitors of normal SNe Ia. Unexpectedly, five SNe of Types Ib/c, II,and IIn (all of which are thought to have massive progenitors) are foundin host galaxies that are nominally classified as types E and S0.However, in each case the galaxy classification is uncertain, or newlyinspected images show evidence suggesting a later classification. Amongthese five objects, NGC 3720, the host galaxy of SN 2002at, wasapparently misidentified in the Carnegie Atlas of Galaxies.</i></font><br><br></td></tr><tr><td colspan=2><a href='http://adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003A%26A...412..633Z&link_type=ABSTRACT'><b>The luminous and dark matter content of disk galaxies</b></a><br><font size=-1><i>We have compiled a sample of disk galaxies with available photometry inthe B and K bands, velocity line-widths and HI integral fluxes. Severalparameters that trace the luminous, baryonic and dark matter contentswere inferred. We investigated how these parameters vary with differentgalaxy properties, and compared the results with predictions of galaxyevolutionary models in the context of the Λ Cold Dark Matter(ΛCDM) cosmogony. The ratio of disk-to-total maximum circularvelocity, (Vd,m/Vt,m), depends mainly on thecentral disk surface density Σd,0 (or surfacebrightness, SB), increasing roughly asΣd,00.15. While a fraction of high SBgalaxies have a (Vd,m/Vt,m) ratio corresponding tothe maximum disk solution, the low SB are completely dark matterdominated. The trend is similar for the models, although they haveslightly smaller (Vd,m/Vt,m) ratios thanobservations, in particular at the highest SBs and when small baryonfractions are used. The scatter in the(Vd,m/Vt,m)- Σd,0 plot is large.An analysis of residuals shows that (Vd,m/Vt,m)tends to decrease as the galaxy is redder, more luminous (massive), andof earlier type. The models allow us to explain the physics of theseresults, which imply a connexion between halo structure and luminousproperties. The dynamical-to-baryon mass and dynamical mass-to-light (Band K) ratios at a given radius were also estimated. All these ratios,for observations and models, decrease with Σd,0; (orSB) and do not correlate significantly with the galaxy scale, contraryto what has been reported in previous works, based on the analysis ofrotation curve shapes. We discuss this difference and state theimportance of solving the controversy of whether the dark and luminouscontents in disk galaxies depend on SB or luminosity. The broadagreement between the models and observations presented here regardingthe trends of the dynamical-to-baryon matter and mass-to-light ratioswith several galaxy properties favors the ΛCDM scenario. However,the excess of dark matter inside the optical region of disk galaxiesremains the main difficulty.Appendices A and B are only available in electronic form athttp://www.edpsciences.org. Table 1 is only available at the CDS viaanonymous ftp to cdsarc.u-strasbg.fr (130.79.128.5) or viahttp://cdsweb.u-strasbg.fr/cgi-bin/qcat?J/A+A/412/633</i></font><br><br></td></tr><tr><td colspan=2><a href='http://adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002MNRAS.334..721G&link_type=ABSTRACT'><b>Mass-to-light ratios from the fundamental plane of spiral galaxy discs</b></a><br><font size=-1><i>The best-fitting two-dimensional plane within the three-dimensionalspace of spiral galaxy disc observables (rotational velocityvrot, central disc surface brightnessμ0=-2.5logI0 and disc scalelength h) has beenconstructed. Applying the three-dimensional bisector method ofregression analysis to a sample of ~100 spiral galaxy discs that spanmore than 4magarcsec-2 in central disc surface brightnessyields vrot\proptoI0.50\pm0.050\,h0.77\pm 0.07<!- -> (B band)and vrot\proptoI0.43\pm0.040\,h0.69\pm 0.07<!- -> (R band).Contrary to popular belief, these results suggest that in the B band,the dynamical mass-to-light ratio (within four disc scalelengths) islargely independent of the surface brightness, varying as I0.00\pm0.100\,h0.54\pm 0.14<!- ->. Consistentresults were obtained when the range of the analysis was truncated byexcluding the low-surface-brightness galaxies. Previous claims thatM/LBvaries withI-1/20,B<!- ->areshown to be misleading and/or caused by galaxy selection effects - notall low-surface-brightness disc galaxies are dark matter dominated. Thesituation is, however, different in the near-infrared whereLK'~v4 and M/LK' is shown to vary asI-1/20,K\prime<!- ->. Theoretical studies ofspiral galaxy discs should therefore not assume a constant M/L ratiowithin any given passband. The B-band dynamical mass-to-light ratio(within four disc scalelengths) has no obvious correlation with (B-R)disc colour, while in the K' band it varies as -1.25+/-0.28(B-R).Combining the present observational data with recent galaxy modelpredictions implies that the logarithm of the stellar-to-dynamical massratio is not a constant value, but increases as discs become redder,varying as 1.70+/-0.28(B-R).</i></font><br><br></td></tr><tr><td colspan=2><a href='http://adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002IAUC.7828....2B&link_type=ABSTRACT'><b>Supernova 2002an in NGC 2575</b></a><br><font size=-1><i>IAUC 7828 available at Central Bureau for Astronomical Telegrams.</i></font><br><br></td></tr><tr><td colspan=2><a href='http://adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002IAUC.7818....4G&link_type=ABSTRACT'><b>Supernova 2002an in NGC 2575</b></a><br><font size=-1><i>IAUC 7818 available at Central Bureau for Astronomical Telegrams.</i></font><br><br></td></tr><tr><td colspan=2><a href='http://adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002IAUC.7808....3W&link_type=ABSTRACT'><b>Supernova 2002an in NGC 2575</b></a><br><font size=-1><i>IAUC 7808 available at Central Bureau for Astronomical Telegrams.</i></font><br><br></td></tr><tr><td colspan=2><a href='http://adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002IAUC.7805....1N&link_type=ABSTRACT'><b>Supernova 2002an in NGC 2575</b></a><br><font size=-1><i>IAUC 7805 available at Central Bureau for Astronomical Telegrams.</i></font><br><br></td></tr><tr><td colspan=2><a href='http://adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001AJ....121..820G&link_type=ABSTRACT'><b>An Investigation into the Prominence of Spiral Galaxy Bulges</b></a><br><font size=-1><i>From a diameter-limited sample of 86 low-inclination (face-on) spiralgalaxies, the bulge-to-disk size and luminosity ratios and otherquantitative measurements for the prominence of the bulge are derived.The bulge and disk parameters have been estimated using aseeing-convolved Sérsic r1/n bulge and aseeing-convolved exponential disk that were fitted to the optical (B, R,and I) and near-infrared (K) galaxy light profiles. In general,early-type spiral galaxy bulges have Sérsic values of n>1, andlate-type spiral galaxy bulges have values of n<1. In the B band,only eight galaxies have a bulge shape parameter n consistent with theexponential value 1, and only five galaxies do in the K band. Use of theexponential bulge model is shown to restrict the range ofre/h and B/D values by more than a factor of 2. Applicationof the r1/n bulge models, unlike exponential bulge models,results in a larger mean re/h ratio for the early-type spiralgalaxies than for the late-type spiral galaxies, although this result isshown not to be statistically significant. The mean B/D luminosity ratiois, however, significantly larger (>3 σ) for the early-typespirals than for the late-type spirals. Two new parameters areintroduced to measure the prominence of the bulge. The first is thedifference between the central surface brightness of the galaxy and thesurface brightness level at which the bulge and disk contribute equally.The other test uses the radius at which the contribution from the diskand bulge light are equal, normalized for the effect of intrinsicallydifferent galaxy sizes. Both of these parameters reveal that theearly-type spiral galaxies ``appear'' to have significantly (more than 2σ in all passbands) bigger and brighter bulges than late-typespiral galaxies. This apparent contradiction with the re/hvalues can be explained with an iceberg-like scenario, in which thebulges in late-type spiral galaxies are relatively submerged in theirdisk. This can be achieved by varying the relative stellar density whilemaintaining the same effective bulge-to-disk ratio. The B/D luminosityratio and the concentration index C31, in agreement with paststudies, are positively correlated and decrease as one moves along thespiral Hubble sequence toward later spiral galaxy types, although forgalaxies with large extended bulges the concentration index no longertraces the B/D luminosity ratio in a one-to-one fashion. A strong(Spearman's rank-order correlation coefficient, rs=0.80) andhighly significant positive correlation exists between the shape, n, ofthe bulge light profile and the bulge-to-disk luminosity ratio. Theabsolute bulge magnitude-logn diagram is used as a diagnostic tool forcomparative studies with dwarf elliptical and ordinary ellipticalgalaxies. At least in the B band these objects occupy distinctlydifferent regions of this parameter space. While the dwarf ellipticalgalaxies appear to be the faint extension to the brighter ellipticalgalaxies, the bulges of spiral galaxies do not; for a given luminositythey have a noticeably smaller shape parameter and hence a more dramaticdecline of stellar density at large radii.</i></font><br><br></td></tr><tr><td colspan=2><a href='http://adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999ApJS..125..409C&link_type=ABSTRACT'><b>Arcsecond Positions of UGC Galaxies</b></a><br><font size=-1><i>We present accurate B1950 and J2000 positions for all confirmed galaxiesin the Uppsala General Catalog (UGC). The positions were measuredvisually from Digitized Sky Survey images with rms uncertaintiesσ<=[(1.2")2+(θ/100)2]1/2,where θ is the major-axis diameter. We compared each galaxymeasured with the original UGC description to ensure high reliability.The full position list is available in the electronic version only.</i></font><br><br></td></tr><tr><td colspan=2><a href='http://adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999AJ....117.1668H&link_type=ABSTRACT'><b>The I-Band Tully-Fisher Relation for SC Galaxies: Optical Imaging Data</b></a><br><font size=-1><i>Properties derived from the analysis of photometric I-band imagingobservations are presented for 1727 inclined spiral galaxies, mostly oftypes Sbc and Sc. The reduction, parameter extraction, and errorestimation procedures are discussed in detail. The asymptotic behaviorof the magnitude curve of growth and the radial variation in ellipticityand position angle are used in combination with the linearity of thesurface brightness falloff to fit the disk portion of the profile. TotalI-band magnitudes are calculated by extrapolating the detected surfacebrightness profile to a radius of eight disk scale lengths. Errors inthe magnitudes, typically ~0.04 mag, are dominated by uncertainties inthe sky subtraction and disk-fitting procedures. Comparison is made withthe similar imaging database of Mathewson, Ford, & Buchhorn, both aspresented originally by those authors and after reanalyzing theirdigital reduction files using identical disk-fitting procedures. Directcomparison is made of profile details for 292 galaxies observed incommon. Although some differences occur, good agreement is found,proving that the two data sets can be used in combination with onlyminor accommodation of those differences. The compilation of opticalproperties presented here is optimized for use in applications of theTully-Fisher relation as a secondary distance indicator in studies ofthe local peculiar velocity field.</i></font><br><br></td></tr><tr><td colspan=2><a href='http://adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998A%26AS..128..299P&link_type=ABSTRACT'><b>Total magnitude, radius, colour indices, colour gradients and photometric type of galaxies</b></a><br><font size=-1><i>We present a catalogue of aperture photometry of galaxies, in UBVRI,assembled from three different origins: (i) an update of the catalogueof Buta et al. (1995) (ii) published photometric profiles and (iii)aperture photometry performed on CCD images. We explored different setsof growth curves to fit these data: (i) The Sersic law, (ii) The net ofgrowth curves used for the preparation of the RC3 and (iii) A linearinterpolation between the de Vaucouleurs (r(1/4) ) and exponential laws.Finally we adopted the latter solution. Fitting these growth curves, wederive (1) the total magnitude, (2) the effective radius, (3) the colourindices and (4) gradients and (5) the photometric type of 5169 galaxies.The photometric type is defined to statistically match the revisedmorphologic type and parametrizes the shape of the growth curve. It iscoded from -9, for very concentrated galaxies, to +10, for diffusegalaxies. Based in part on observations collected at the Haute-ProvenceObservatory.</i></font><br><br></td></tr><tr><td colspan=2><a href='http://adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997ApJ...481..689M&link_type=ABSTRACT'><b>Gas Mass Fractions and the Evolution of Spiral Galaxies</b></a><br><font size=-1><i>We show that the gas mass fraction of spiral galaxies is stronglycorrelated with luminosity and surface brightness. It is not correlatedwith linear size. Gas fraction varies with luminosity and surfacebrightness at the same rate, indicating evolution at fixed size. Dimgalaxies are clearly less evolved than bright ones, having consumed only~ \frac {1}{2} of their gas. This resolves the gas consumption paradox,since there exist many galaxies with large gas reservoirs. Thesegas-rich galaxies must have formed the bulk of their stellar populationsin the last half of a Hubble time. The existence of such immaturegalaxies at z = 0 indicates that either galaxy formation is a lengthy oreven ongoing process, or the onset of significant star formation can bedelayed for arbitrary periods in tenuous gas disks.</i></font><br><br></td></tr><tr><td colspan=2><a href='http://adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997AJ....113.1197H&link_type=ABSTRACT'><b>21 CM H1 Line Spectra of Galaxies in Nearby Clusters</b></a><br><font size=-1><i>A compilation of HI line fluxes, systemic velocities and line widths ispresented for \Ndet detected galaxies, mostly in the vicinities of 30nearby rich clusters out to a redshift of z ~ .04, specifically for usein applications of the Tully-Fisher distance method. New 21 cm HI lineprofiles have been obtained for ~ 500 galaxies in 27 Abell clustersvisible from Arecibo. Upper limits are also presented for \Nnod galaxiesfor which HI emission was not detected. In order to provide ahomogeneous line width determination optimized for Tully-Fisher studies,these new data are supplemented by the reanalysis of previouslypublished spectra obtained both at Arecibo and Green Bank that areavailable in a digital archive. Corrections for instrumental broadening,smoothing, signal-to-noise and profile shape are applied, and anestimate of the error on the width is given. When corrected forturbulent broadening and viewing angle, the corrected velocity widthspresented here will provide the appropriate line width parameter neededto derive distances via the Tully-Fisher relation.</i></font><br><br></td></tr><tr><td colspan=2><a href='http://adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997AJ....113...22G&link_type=ABSTRACT'><b>The I band Tully-Fisher relation for cluster galaxies: data presentation.</b></a><br><font size=-1><i>Observational parameters which can be used for redshift-independentdistance determination using the Tully-Fisher (TF) technique are givenfor \ntot spiral galaxies in the fields of 24 clusters or groups. I bandphotometry for the full sample was either obtained by us or compiledfrom published literature. Rotational velocities are derived either from21 cm spectra or optical emission line long-slit spectra, and convertedto a homogeneous scale. In addition to presenting the data, a discussionof the various sources of error on TF parameters is introduced, and thecriteria for the assignment of membership to each cluster are given.</i></font><br><br></td></tr><tr><td colspan=2><a href='http://adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996A%26AS..118..557D&link_type=ABSTRACT'><b>Near-infrared and optical broadband surface photometry of 86 face-on disk dominated galaxies. II. A two-dimensional method to determine bulge and disk parameters.</b></a><br><font size=-1><i>In this Paper I present a new two-dimensional decomposition technique,which models the surface photometry of a galaxy with an exponentiallight profile for both bulge and disk and, when necessary, with aFreeman bar. The new technique was tested for systematic errors on bothartificial and real data and compared with widely used one-dimensionaldecomposition techniques, where the luminosity profile of the galaxy isused. The comparisons indicate that a decomposition of thetwo-dimensional image of the galaxy with an exponential light profilefor both bulge and disk yields the most reproducible and representativebulge and disk parameters. An extensive error analysis was made todetermine the reliability of the model parameters. If the model with anexponential bulge profile is a reasonable description of a galaxy, themaximum errors in the derived model parameters are of order 20%. Theuncertainties in the model parameters will increase, if the exponentialbulge function is replaced by other often used bulge functions as the deVaucouleurs law. All decomposition methods were applied to the opticaland near-infrared data set presented by de Jong & van der Kruit(1994), which comprises 86 galaxies in six passbands.</i></font><br><br></td></tr><tr><td colspan=2><a href='http://adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996A%26AS..117..467G&link_type=ABSTRACT'><b>An image database. II. Catalogue between δ=-30deg and δ=70deg.</b></a><br><font size=-1><i>A preliminary list of 68.040 galaxies was built from extraction of35.841 digitized images of the Palomar Sky Survey (Paper I). For eachgalaxy, the basic parameters are obtained: coordinates, diameter, axisratio, total magnitude, position angle. On this preliminary list, weapply severe selection rules to get a catalog of 28.000 galaxies, wellidentified and well documented. For each parameter, a comparison is madewith standard measurements. The accuracy of the raw photometricparameters is quite good despite of the simplicity of the method.Without any local correction, the standard error on the total magnitudeis about 0.5 magnitude up to a total magnitude of B_T_=17. Significantsecondary effects are detected concerning the magnitudes: distance toplate center effect and air-mass effect.</i></font><br><br></td></tr><tr><td colspan=2><a href='http://adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995ApJS...96..123T&link_type=ABSTRACT'><b>Recalibration of the H-0.5 magnitudes of spiral galaxies</b></a><br><font size=-1><i>The H-magnitude aperture data published by the Aaronson et al.collaboration over a 10 year period is collected into a homogeneous dataset of 1731 observations of 665 galaxies. Ninety-six percent of thesegalaxies have isophotal diameters and axial ratios determined by theThird Reference Cataloque of Bright Galaxies (RC3; de Vaucouleurs et al.1991), the most self-consistent set of optical data currently available.The precepts governing the optical data in the RC3 are systematicallydifferent from those of the Second Reference Catalogue (de Vaucouleurs,de Vaucouleurs, & Corwin 1976), which were used by Aaronson et al.for their original analyses of galaxy peculiar motions. This in turnleads to systematic differences in growth curves and fiducialH-magnitudes, prompting the present recalibration of the near-infraredTully-Fisher relationship. New optically normalized H-magnitude growthcurves are defined for galaxies of types SO to Im, from which new valuesof fiducial H-magnitudes, Hg-0.5, are measured forthe 665 galaxies. A series of internal tests show that these fourstandard growth curves are defined to an accuracy of 0.05 mag over theinterval -1.5 less than or equal to log (A/Dg) less than orequal to -0.2. Comparisons with the Aaronson et al. values of diameters,axial ratios, and fiducial H-magnitudes show the expected differences,given the different definitions of these parameters. The values ofHg-0.5 are assigned quality indices: a qualityvalue of 1 indicates an accuracy of less than 0.2 mag, quality 2indicates an accuracy of 0.2-0.35 mag, and quality 3 indicates anaccuracy of more than 0.35 mag. Revised values of corrected H I velocitywidths are also given, based on the new set of axial ratios defiend bythe RC3.</i></font><br><br></td></tr><tr><td colspan=2><a href='http://adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994A%26AS..106..451D&link_type=ABSTRACT'><b>Near-infrared and optical broadband surface photometry of 86 face-on disk dominated galaxies. I. Selection, observations and data reduction.</b></a><br><font size=-1><i>We present accurate surface photometry in the B, V, R, I, H and Kpassbands of 86 spiral galaxies. The galaxies in this statisticallycomplete sample of undisturbed spirals were selected from the UGC tohave minimum diameters of 2' and minor over major axis ratios largerthan 0.625. This sample has been selected in such a way that it can beused to represent a volume limited sample. The observation and reductiontechniques are described in detail, especially the not often useddriftscan technique for CCDs and the relatively new techniques usingnear-infrared (near-IR) arrays. For each galaxy we present radialprofiles of surface brightness. Using these profiles we calculated theintegrated magnitudes of the galaxies in the different passbands. Weperformed internal and external consistency checks for the magnitudes aswell as the luminosity profiles. The internal consistency is well withinthe estimated errors. Comparisons with other authors indicate thatmeasurements from photographic plates can show large deviations in thezero-point magnitude. Our surface brightness profiles agree within theerrors with other CCD measurements. The comparison of integratedmagnitudes shows a large scatter, but a consistent zero-point. Thesemeasurements will be used in a series of forthcoming papers to discusscentral surface brightnesses, scalelengths, colors and color gradientsof disks of spiral galaxies.</i></font><br><br></td></tr><tr><td colspan=2><a href='http://adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992ApJS...81...35H&link_type=ABSTRACT'><b>I-band CCD surface photometry of spiral galaxies in 16 nearby clusters</b></a><br><font size=-1><i>Results of I-band CCD surface photometry for 284 spiral galaxies in 16clusters in the redshift range from 3000 to 11,000 km/s are presented.Various effects on surface photometry are discussed, and the relevantcorrections are outlined.</i></font><br><br></td></tr><tr><td colspan=2><a href='http://adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992A%26AS...93..211F&link_type=ABSTRACT'><b>Groups of galaxies within 80 Mpc. II - The catalogue of groups and group members</b></a><br><font size=-1><i>This paper gives a catalog of the groups and associations obtained bymeans of a revised hierarchical algorithm applied to a sample of 4143galaxies with diameters larger than 100 arcsec and redshifts smallerthan 6000 km/s. The 264 groups of galaxies obtained in this way (andwhich contain at least three sample galaxies) are listed, with the looseassociations surrounding them and the individual members of eachaggregate as well; moreover, the location of every entity among 13regions corresponding roughly to superclusters is specified. Finally,1729 galaxies belong to the groups, and 466 to the associations, i.e.,the total fraction of galaxies within the various aggregates amounts to53 percent.</i></font><br><br></td></tr><tr><td colspan=2><a href='http://adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990AJ.....99.1004B&link_type=ABSTRACT'><b>The faint end of the Zwicky magnitude scale - CCD isophotal magnitudes versus Zwicky magnitudes</b></a><br><font size=-1><i>Zwicky magnitudes are compared to blue isophotal magnitudes derived fromsurface photometry of digital galaxy images to study the isophotalnature of the Zwicky magnitude scale at the faint end. The approximateisophote that corresponds to the magnitude tabulated in the Catalog ofGroups and Clusters of Galaxies (Zwicky et al. 1961-1968). It is foundthat, in the mean, the Zwicky magnitude closely corresponds to the bluemagnitude measured with the B = 26.0 mag/sq arcsec isophote. The scatteris 0.31 mag and the distribution of isophotal surface brightness is verybroad, however, making the Zwicky magnitudes only accurate to about 30percent when used a luminosity indicator. It is shown that relativedifferences in Zwicky magnitude do not provide an accurate gage of thetrue relative luminosities of galaxies.</i></font><br><br></td></tr><tr><td colspan=2><a href='http://adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987ApJ...314....3E&link_type=ABSTRACT'><b>Arm classifications for spiral galaxies</b></a><br><font size=-1><i>The spiral arm classes of 762 galaxies are tabulated; 636 galaxies withlow inclinations and radii larger than 1 arcmin were classified on thebasis of their blue images on the Palomar Observatory Sky Survey (POSS),76 SA galaxies in the group catalog of Geller and Huchra were alsoclassified from the POSS, and 253 galaxies in high-resolution atlaseswere classified from their atlas photographs. This spiral armclassification system was previously shown to correlate with thepresence of density waves, and galaxies with such waves were shown tooccur primarily in the densest galactic groups. The present sampleindicates, in addition, that grand design galaxies (i.e., those whichtend to contain prominent density wave modes) are physically larger thanflocculent galaxies (which do not contain such prominent modes) by afactor of about 1.5. A larger group sample confirms the previous resultthat grand design galaxies are preferentially in dense groups.</i></font><br><br></td></tr><tr><td colspan=2><a href='http://adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986AnTok..21..127T&link_type=ABSTRACT'><b>KISO survey for ultraviolet-excess galaxies. IV</b></a><br><font size=-1><i>Presented here are the fourth list and identification charts of theultraviolet-excess galaxies which have been detected on the multicolorplates taken with the Kiso Schmidt telescope for 10 survey fields. Inthe sky area of some 300 square degrees 752 objects are cataloged downto the photographic magnitude of about 18.</i></font><br><br></td></tr><tr><td colspan=2><a href='http://adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986AJ.....91..705B&link_type=ABSTRACT'><b>A study of the large-scale structure in the distribution of galaxies in a region centered about the Cancer cluster. I - Initial observational results. II - Further observational results</b></a><br><font size=-1><i>Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1986AJ.....91..705B&db_key=AST</i></font><br><br></td></tr><tr><td colspan=2><a href='http://adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985ApJS...57..423B&link_type=ABSTRACT'><b>A catalog of radio, optical, and infrared observations of spiral galaxies in clusters</b></a><br><font size=-1><i>The results of a major observational program on the luminosities,colors, and gas contents of spiral galaxies in clusters of galaxies arepresented. The data have been used as part of a detailed investigationinto the nature of cluster spirals and for revisions of the distancescale using the infrared Tully-Fisher relation. The observationalstrategies, reduction procedures, and sources or error are brieflydiscussed. The data include 21-cm H I observations, UBVR multiaperturephotometry, and H-band photometry of several hunderd spiral galaxies in10 clusters.</i></font><br><br></td></tr><tr><td colspan=2><a href='http://adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985A%26AS...60..261G&link_type=ABSTRACT'><b>Morphology of spiral galaxies. I - General properties</b></a><br><font size=-1><i>Red Palomar Sky Survey plates are scanned to characterize a completesample of 605 spiral galaxies north of declination -33 deg havinginclination angle less than 56 deg and blue diameter 2-15 arcmin. Theselection of the data and the reduction and parameter-extractionprocedures are explained, and the data and the results of statisticalanalysis are presented in tables and graphs. Findings reported include alow frequency of occurrence for small inclination angles (suggestingdistortion of outer structures), similar distributions of central diskbrightness for types Sa-Sc but not for types Sd-Sm (where mean valuesare smaller), fewer late-type galaxies with large exponential-disk scalelengths, no galaxies with both high central brightness and large scalelength (indicating a limit on angular momentum in galaxy formation), anda correlation between mean surface brightness and absolute magnitude forlater-type galaxies but not for types Sa-Scd.</i></font><br><br></td></tr><tr><td colspan=2><a href='http://adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983ApJ...268...47B&link_type=ABSTRACT'><b>The Cancer Cluster - an unbound collection of groups</b></a><br><font size=-1><i>A surface density contour map of the Cancer Cluster derived from galaxycounts in the Zwicky catalog is presented. The contour map shows thatthe galaxy distribution is clumpy. When this spatial distribution iscombined with nearly complete velocity information, the clumps stand outmore clearly; there are significant differences in the mean velocitiesof the clumps which exceed their internal velocity dispersions. TheCancer Cluster is not a proper 'cluster' but is a collection of discretegroups, each with a velocity dispersion of approximately 300 km/s,separating from one another with the cosmological flow. Themass-to-light ratio for galaxies in the main concentration isapproximately 320 solar masses/solar luminosities (H0 = 100km/s Mpc).</i></font><br><br></td></tr> </table> <font size=-1><a href='article?action=new&obj1=2-4320&lang=EN' rel='nofollow'>Submit a new article</a></font> <br><br><br><a name='Links'></a><h3>Related links</h3> <ul> <li>- No Links Found -</li> </ul> <font size=-1><a href='link.jsp?object_type=2&object_id=4320&lang_id=EN&action=new' rel='nofollow'>Submit a new link</a></font> <br><br><br><a name='Groups'></a><h3>Member of following groups:</h3> <ul> <li><a href='group?id=17'>New General Catalogue (NGC)</a></li> <li><a href='groups'><font size=-1 style='white-space:nowrap'>[See all groups]</font></a></li> </ul> </td><td width=260 align=left> <div style='margin:0; border:1px solid #aaa; width:300px; height:300px;'> <script type="text/javascript" charset="UTF-8" src="skywindow.js?width=300&height=300&ra=8.379138888866668&de=24.297222222&zoom=10&img_source=SDSS&img_id=all&locale=EN"></script> </div>  <br> <h4>Observation and Astrometry data</h4> <table> <tr><td nowrap>Constellation:</td><td><a href='?object_type=5&object_id=22&locale=EN'>Cancer</a></td></tr> <tr><td nowrap>Right ascension:</td><td><a href='/?ra=8.379138888866668&de=24.297222222&zoom=10&locale=EN' rel='nofollow'>08<sup>h</sup>22<sup>m</sup>44.90<sup>s</sup></a></td></tr> <tr><td nowrap>Declination:</td><td><a href='/?ra=8.379138888866668&de=24.297222222&zoom=10&locale=EN' rel='nofollow'>+24Â°17'50.0"</a></td></tr> <tr><td nowrap>Aparent dimensions:</td><td>1.738′ × 1.38′</td></tr> </table> <br> Catalogs and designations: <hr width=100%> <table id="d_cat" style="font-size:11pt; width:100%"> <tr valign=top><td>Proper Names</td><td><b></b><small><i>   (<a href='names.jsp?object_type=2&object_id=4320&lang_id=EN&action=list' rel='nofollow'>Edit</a>)</i></small> </td></tr><tr title='NGC 2000.0 (Sky Publishing, ed. Sinnott 1988)'><td nowrap><a href='http://vizier.u-strasbg.fr/viz-bin/VizieR-2?-source=VII/118'>NGC 2000.0</a></td><td nowrap><a href='http://vizier.u-strasbg.fr/viz-bin/VizieR-5?-out.add=.&-source=VII/118/ngc2000&Name=2575'>NGC 2575</a></td></tr> <tr title='HYPERLEDA. I. Catalog of galaxies (Paturel+, 2003)'><td nowrap><a href='http://vizier.u-strasbg.fr/viz-bin/VizieR-2?-source=VII/237'>HYPERLEDA-I</a></td><td nowrap><a href='http://vizier.u-strasbg.fr/viz-bin/VizieR-5?-out.add=.&-source=VII/237&PGC=23501'>PGC 23501</a></td></tr> <tr><td colspan="2"><hr width=100%></td></tr> <tr id='d_load_cat'><td colspan="2"><a href='#' onclick='loadCatalogs(2,4320);return false;' rel='nofollow'>→ Request more catalogs and designations from VizieR</a></td></tr> </table> <br> </td></tr> </table> <script type="text/javascript" charset="UTF-8"> </script> </div>  <script async src="https://www.googletagmanager.com/gtag/js?id=G-3PRTQ3JHKT"></script> <script> window.dataLayer = window.dataLayer || []; function gtag(){dataLayer.push(arguments);} gtag('js', new Date()); gtag('config', 'G-3PRTQ3JHKT'); </script> </body> </html>