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line-height: 1.5em"> <caption style="font-size: 125%; font-weight: bold">IRAS 00500+6713 (Pa 30) </caption><tbody><tr><td colspan="2" style="text-align:center;"><div style="text-align: center; margin-left:auto; margin-right:auto"><span typeof="mw:File/Frameless"><a href="/wiki/File:Pa_30_cropped_(SII)_cleaned_up.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/6/63/Pa_30_cropped_%28SII%29_cleaned_up.jpg/200px-Pa_30_cropped_%28SII%29_cleaned_up.jpg" decoding="async" width="200" height="186" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/63/Pa_30_cropped_%28SII%29_cleaned_up.jpg/300px-Pa_30_cropped_%28SII%29_cleaned_up.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/63/Pa_30_cropped_%28SII%29_cleaned_up.jpg/400px-Pa_30_cropped_%28SII%29_cleaned_up.jpg 2x" data-file-width="453" data-file-height="422" /></a></span><br />2.4 Meter Kitt Peak image of the Pa 30 supernova remnant associated with the SN 1181</div></td></tr> <tr> <th style="text-align: center; background-color: #FFFFC0;" colspan="2">Observation data<br /><a href="/wiki/Epoch_(astronomy)" title="Epoch (astronomy)">Epoch</a> <a href="/wiki/J2000.0" class="mw-redirect" title="J2000.0">J2000.0</a>      <a href="/wiki/Equinox_(celestial_coordinates)" title="Equinox (celestial coordinates)">Equinox</a> <a href="/wiki/J2000.0" class="mw-redirect" title="J2000.0">J2000.0</a> </th></tr> <tr style="vertical-align:top"> <th style="text-align:left"><a href="/wiki/Constellation" title="Constellation">Constellation</a> </th> <td><a href="/wiki/Cassiopeia_(constellation)" title="Cassiopeia (constellation)">Cassiopeia</a> </td></tr> <tr style="vertical-align:top"> <th style="text-align:left"><span class="nowrap"><a href="/wiki/Right_ascension" title="Right ascension">Right ascension</a></span> </th> <td><span class="nowrap">0<sup>h</sup> 53<sup>m</sup> 11.21<sup>s</sup></span><sup id="cite_ref-dr3_1-0" class="reference"><a href="#cite_note-dr3-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </td></tr> <tr style="vertical-align:top"> <th style="text-align:left"><a href="/wiki/Declination" title="Declination">Declination</a> </th> <td>+67° 30′ 02.4″<sup id="cite_ref-dr3_1-1" class="reference"><a href="#cite_note-dr3-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </td></tr> <tr style="vertical-align:top"> <th style="text-align:left"><span class="nowrap"><a href="/wiki/Apparent_magnitude" title="Apparent magnitude">Apparent magnitude</a> (V)</span> </th> <td>15.4<sup id="cite_ref-fedorov2011_2-0" class="reference"><a href="#cite_note-fedorov2011-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> </td></tr><tr><th style="background-color: #FFFFC0; text-align: center;" colspan="2"><a href="/wiki/Astrometry" title="Astrometry">Astrometry</a></th></tr><tr><th colspan="2" style="text-align: center"></th></tr><tr style="vertical-align:top;"><td><b><a href="/wiki/Proper_motion" title="Proper motion">Proper motion</a> (μ)</b></td><td> <abbr title="Right Ascension">RA:</abbr> −2.258<sup id="cite_ref-dr3_1-2" class="reference"><a href="#cite_note-dr3-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> <a href="/wiki/Milliarcsecond" class="mw-redirect" title="Milliarcsecond">mas</a>/<a href="/wiki/Year" title="Year">yr</a> <br /> <abbr title="Declination">Dec.:</abbr> −0.0988<sup id="cite_ref-dr3_1-3" class="reference"><a href="#cite_note-dr3-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> <a href="/wiki/Milliarcsecond" class="mw-redirect" title="Milliarcsecond">mas</a>/<a href="/wiki/Year" title="Year">yr</a> </td></tr><tr style="vertical-align:top;"><td><b><a href="/wiki/Stellar_parallax" title="Stellar parallax">Parallax</a> (π)</b></td><td>0.4065 ± 0.0259 <a href="/wiki/Milliarcsecond" class="mw-redirect" title="Milliarcsecond">mas</a><sup id="cite_ref-dr3_1-4" class="reference"><a href="#cite_note-dr3-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup></td></tr><tr style="vertical-align:top;"><td><b><a href="/wiki/Distance_(astronomy)" class="mw-redirect" title="Distance (astronomy)">Distance</a></b></td><td>8,000 ± 500 <a href="/wiki/Light-year" title="Light-year">ly</a> <br />(2,500 ± 200 <a href="/wiki/Parsec" title="Parsec">pc</a>)</td></tr><tr><th colspan="2" style="text-align: center"></th></tr> <tr><th style="background-color: #FFFFC0; text-align: center;" colspan="2">Details</th></tr><tr><th colspan="2" style="text-align: center"></th></tr><tr style="vertical-align:baseline;"><td><b><a href="/wiki/Stellar_mass" title="Stellar mass">Mass</a></b></td><td><span class="nowrap"><span data-sort-value="7000120000000000000♠"></span>1.20<span style="margin-left:0.3em;margin-right:0.15em;">±</span>0.17</span><sup id="cite_ref-oskinova2020_3-0" class="reference"><a href="#cite_note-oskinova2020-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> <a href="/wiki/Solar_mass" title="Solar mass"><var>M</var><sub>☉</sub></a></td></tr><tr style="vertical-align:baseline;"><td><b><a href="/wiki/Radius" title="Radius">Radius</a></b></td><td>0.155<sup id="cite_ref-oskinova2020_3-1" class="reference"><a href="#cite_note-oskinova2020-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> <a href="/wiki/Solar_radius" title="Solar radius"><var>R</var><sub>☉</sub></a></td></tr><tr style="vertical-align:baseline;"><td><b><a href="/wiki/Luminosity" title="Luminosity">Luminosity</a></b></td><td>36,000<sup id="cite_ref-oskinova2020_3-2" class="reference"><a href="#cite_note-oskinova2020-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> <a href="/wiki/Solar_luminosity" title="Solar luminosity"><var>L</var><sub>☉</sub></a></td></tr><tr style="vertical-align:baseline;"><td><b><a href="/wiki/Effective_temperature" title="Effective temperature">Temperature</a></b></td><td>237,000<sup id="cite_ref-oskinova2020_3-3" class="reference"><a href="#cite_note-oskinova2020-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> <a href="/wiki/Kelvin" title="Kelvin">K</a></td></tr><tr><th colspan="2" style="text-align: center"></th></tr> <tr><th style="background-color: #FFFFC0; text-align: center;" colspan="2">Database references</th></tr><tr style="vertical-align: top;"><td><b><a href="/wiki/SIMBAD" title="SIMBAD">SIMBAD</a></b></td><td><a rel="nofollow" class="external text" href="https://simbad.cds.unistra.fr/simbad/sim-id?Ident=IRCO+2536">data</a></td></tr> </tbody></table> <p><b>IRAS 00500+6713</b> is the catalogued <a href="/wiki/Infrared" title="Infrared">infrared</a> source for an unusual <a href="/wiki/Nebula" title="Nebula">nebula</a> in <a href="/wiki/Cassiopeia_(constellation)" title="Cassiopeia (constellation)">Cassiopeia</a>, while the central star has a designation WD J005311, with the whole system designated as <a href="/wiki/SN_1181#Pa_30" title="SN 1181">Pa 30</a>. The central star and its surrounding shell were created by the <a href="/wiki/Supernova" title="Supernova">supernova</a> seen in the year 1181 (<a href="/wiki/SN_1181" title="SN 1181">SN 1181</a>) as reported by Chinese and Japanese observers.<sup id="cite_ref-ritter2021_4-0" class="reference"><a href="#cite_note-ritter2021-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> Both the nebula and central star have unique and extreme properties, pointing to their creation by a rare <a href="/wiki/Type_Iax_supernova" title="Type Iax supernova">type Iax supernova</a>, where two ultra-dense <a href="/wiki/White_dwarf" title="White dwarf">white dwarfs</a> in-spiral to a collision and explosion.<sup id="cite_ref-oskinova2020_3-4" class="reference"><a href="#cite_note-oskinova2020-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> The Pa 30 system was discovered in 2013 by amateur astronomer Dana Patchick,<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> the extreme properties of the central star were first seen in 2019 by Gvaramadze and colleagues, and they recognized that the system was created in a low-luminosity supernova event from a merger of two white dwarfs.<sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> </p><p>The central star is a white dwarf with an extreme stellar wind, surrounded by a nebula packed with hot gas and warm dust.<sup id="cite_ref-gizmodo_7-0" class="reference"><a href="#cite_note-gizmodo-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> The star represents a new kind of <a href="/wiki/X-ray" title="X-ray">X-ray</a> source.<sup id="cite_ref-scitech_8-0" class="reference"><a href="#cite_note-scitech-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> It exhibits record-breaking <a href="/wiki/Stellar_wind" title="Stellar wind">wind</a> speeds of 16,000 km/s and temperatures near 200,000 K.<sup id="cite_ref-room_9-0" class="reference"><a href="#cite_note-room-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> Both the central star and the nebula contain large amounts of <a href="/wiki/Neon" title="Neon">neon</a>, <a href="/wiki/Magnesium" title="Magnesium">magnesium</a>, <a href="/wiki/Silicon" title="Silicon">silicon</a>, and <a href="/wiki/Sulfur" title="Sulfur">sulfur</a> at high velocities (but no hydrogen, helium, or nitrogen), with such requiring an origin in a recent supernova.<sup id="cite_ref-oskinova2020_3-5" class="reference"><a href="#cite_note-oskinova2020-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> The central star, might be a rapidly-rotating <a href="/wiki/Chandrasekhar_limit#Super-Chandrasekhar_mass_supernovas" title="Chandrasekhar limit">super-Chandrasekhar</a> white dwarf with a mass ≳1.5 <a href="/wiki/Solar_mass" title="Solar mass"><var>M</var><sub>☉</sub></a>. The surrounding shell has a unique structure with long radial filaments that have expansion velocities of around 1100 km/s.<sup id="cite_ref-10" class="reference"><a href="#cite_note-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> Apparently, the filaments are the tattered remains of the original `slow' supernova ejecta, fragmented and streamed into long wakes by the on-going very fast stellar wind emanating from the central white dwarf. </p><p>The <a href="/wiki/SN_1181#Pa_30" title="SN 1181">Pa 30</a> structure is classified as an unusual type of <a href="/wiki/Supernova_remnant" title="Supernova remnant">supernova remnant</a>, likely to have been created by the merger of two <a href="/wiki/White_dwarf" title="White dwarf">white dwarfs</a>. The supernova event itself was a rare <a href="/wiki/Type_Iax" class="mw-redirect" title="Type Iax">type Iax</a>, the only one observed in the <a href="/wiki/Milky_Way" title="Milky Way">Milky Way</a>. It has been linked to the supernova <a href="/wiki/SN_1181" title="SN 1181">SN 1181</a>.<sup id="cite_ref-ritter2021_4-1" class="reference"><a href="#cite_note-ritter2021-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> The star is possibly highly unstable, too massive to remain as a white dwarf, and it is predicted to collapse into a <a href="/wiki/Neutron_star" title="Neutron star">neutron star</a> within ten thousand years.<sup id="cite_ref-nature2021_11-0" class="reference"><a href="#cite_note-nature2021-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup> </p> <ul class="gallery mw-gallery-packed"> <li class="gallerybox" style="width: 195.33333333333px"> <div class="thumb" style="width: 193.33333333333px;"><span typeof="mw:File"><a href="/wiki/File:IRAS_00500%2B6713_WISE.png" class="mw-file-description" title="WISE image of the infrared nebula IRAS 00500+6713, with the central star WD J005311 not visible. The whole system is designated Pa 30"><img alt="WISE image of the infrared nebula IRAS 00500+6713, with the central star WD J005311 not visible. The whole system is designated Pa 30" src="//upload.wikimedia.org/wikipedia/commons/thumb/b/ba/IRAS_00500%2B6713_WISE.png/290px-IRAS_00500%2B6713_WISE.png" decoding="async" width="194" height="180" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/b/ba/IRAS_00500%2B6713_WISE.png 1.5x" data-file-width="416" data-file-height="388" /></a></span></div> <div class="gallerytext"><a href="/wiki/Wide-field_Infrared_Survey_Explorer" title="Wide-field Infrared Survey Explorer">WISE</a> image of the infrared nebula IRAS 00500+6713, with the central star WD J005311 not visible. The whole system is designated <a href="/wiki/SN_1181#Pa_30" title="SN 1181">Pa 30</a></div> </li> <li class="gallerybox" style="width: 406px"> <div class="thumb" style="width: 404px;"><span typeof="mw:File"><a href="/wiki/File:IRAS_00500%2B6713.jpg" class="mw-file-description" title="A comparison between an observed image (left panel; X-ray image (XMM) and IR contours (WISE)) and schematic picture of IRAS 00500+671[12]"><img alt="A comparison between an observed image (left panel; X-ray image (XMM) and IR contours (WISE)) and schematic picture of IRAS 00500+671[12]" src="//upload.wikimedia.org/wikipedia/commons/thumb/c/c1/IRAS_00500%2B6713.jpg/606px-IRAS_00500%2B6713.jpg" decoding="async" width="404" height="180" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/c1/IRAS_00500%2B6713.jpg/908px-IRAS_00500%2B6713.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/c1/IRAS_00500%2B6713.jpg/1211px-IRAS_00500%2B6713.jpg 2x" data-file-width="2031" data-file-height="906" /></a></span></div> <div class="gallerytext">A comparison between an observed image (left panel; X-ray image (XMM) and IR contours (WISE)) and schematic picture of IRAS 00500+671<sup id="cite_ref-12" class="reference"><a href="#cite_note-12"><span class="cite-bracket">[</span>12<span class="cite-bracket">]</span></a></sup></div> </li> </ul> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=IRAS_00500%2B6713&action=edit&section=1" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist"> <div class="mw-references-wrap mw-references-columns"><ol class="references"> <li id="cite_note-dr3-1"><span class="mw-cite-backlink">^ <a href="#cite_ref-dr3_1-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-dr3_1-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-dr3_1-2"><sup><i><b>c</b></i></sup></a> <a href="#cite_ref-dr3_1-3"><sup><i><b>d</b></i></sup></a> <a href="#cite_ref-dr3_1-4"><sup><i><b>e</b></i></sup></a></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite id="CITEREFVallenariBrownPrustiDe_Bruijne2023" class="citation journal cs1">Vallenari, A.; 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Summary of the content and survey properties"</a>. <i>Astronomy and Astrophysics</i>. <b>674</b>: A1. <a href="/wiki/ArXiv_(identifier)" class="mw-redirect" title="ArXiv (identifier)">arXiv</a>:<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://arxiv.org/abs/2208.00211">2208.00211</a></span>. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2023A&A...674A...1G">2023A&A...674A...1G</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://doi.org/10.1051%2F0004-6361%2F202243940">10.1051/0004-6361/202243940</a></span>. <a href="/wiki/S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a> <a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:244398875">244398875</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Astronomy+and+Astrophysics&rft.atitle=Gaia+Data+Release+3.+Summary+of+the+content+and+survey+properties&rft.volume=674&rft.pages=A1&rft.date=2023&rft_id=info%3Aarxiv%2F2208.00211&rft_id=https%3A%2F%2Fapi.semanticscholar.org%2FCorpusID%3A244398875%23id-name%3DS2CID&rft_id=info%3Adoi%2F10.1051%2F0004-6361%2F202243940&rft_id=info%3Abibcode%2F2023A%26A...674A...1G&rft.aulast=Vallenari&rft.aufirst=A.&rft.au=Brown%2C+A.+G.+A.&rft.au=Prusti%2C+T.&rft.au=De+Bruijne%2C+J.+H.+J.&rft.au=Arenou%2C+F.&rft.au=Babusiaux%2C+C.&rft.au=Biermann%2C+M.&rft.au=Creevey%2C+O.+L.&rft.au=Ducourant%2C+C.&rft.au=Evans%2C+D.+W.&rft.au=Eyer%2C+L.&rft.au=Guerra%2C+R.&rft.au=Hutton%2C+A.&rft.au=Jordi%2C+C.&rft.au=Klioner%2C+S.+A.&rft.au=Lammers%2C+U.+L.&rft.au=Lindegren%2C+L.&rft.au=Luri%2C+X.&rft.au=Mignard%2C+F.&rft.au=Panem%2C+C.&rft.au=Pourbaix%2C+D.&rft.au=Randich%2C+S.&rft.au=Sartoretti%2C+P.&rft.au=Soubiran%2C+C.&rft.au=Tanga%2C+P.&rft.au=Walton%2C+N.+A.&rft.au=Bailer-Jones%2C+C.+A.+L.&rft.au=Bastian%2C+U.&rft.au=Drimmel%2C+R.&rft_id=https%3A%2F%2Fdoi.org%2F10.1051%252F0004-6361%252F202243940&rfr_id=info%3Asid%2Fen.wikipedia.org%3AIRAS+00500%2B6713" class="Z3988"></span>  <a rel="nofollow" class="external text" href="https://vizier.u-strasbg.fr/viz-bin/VizieR-S?Gaia%20DR3%20526287189172936320">Gaia DR3 record for this source</a> at <a href="/wiki/VizieR" title="VizieR">VizieR</a>.</span> </li> <li id="cite_note-fedorov2011-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-fedorov2011_2-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFFedorovAkhmetovBobylev2011" class="citation journal cs1">Fedorov, P. 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in Cassiopeia">List of stars in Cassiopeia</a></li> <li><a href="/wiki/Cassiopeia_in_Chinese_astronomy" title="Cassiopeia in Chinese astronomy">Cassiopeia in Chinese astronomy</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="text-align: center;;width:55px"><a href="/wiki/Star" title="Star">Stars</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:70px"><a href="/wiki/Bayer_designation" title="Bayer designation">Bayer</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Alpha_Cassiopeiae" title="Alpha Cassiopeiae">α (Schedar)</a></li> <li><a href="/wiki/Beta_Cassiopeiae" title="Beta Cassiopeiae">β (Caph)</a></li> <li><a href="/wiki/Gamma_Cassiopeiae" title="Gamma Cassiopeiae">γ (Navi/Tsih)</a></li> <li><a href="/wiki/Delta_Cassiopeiae" title="Delta Cassiopeiae">δ (Ruchbah)</a></li> <li><a href="/wiki/Epsilon_Cassiopeiae" title="Epsilon Cassiopeiae">ε (Segin)</a></li> <li><a href="/wiki/Zeta_Cassiopeiae" title="Zeta Cassiopeiae">ζ (Fulu)</a></li> <li><a href="/wiki/Eta_Cassiopeiae" title="Eta Cassiopeiae">η (Achird)</a></li> <li><a href="/wiki/Theta_Cassiopeiae" title="Theta Cassiopeiae">θ (Marfak)</a></li> <li><a href="/wiki/Iota_Cassiopeiae" title="Iota Cassiopeiae">ι</a></li> <li><a href="/wiki/Kappa_Cassiopeiae" title="Kappa Cassiopeiae">κ</a></li> <li><a href="/wiki/Lambda_Cassiopeiae" title="Lambda Cassiopeiae">λ</a></li> <li><a href="/wiki/Mu_Cassiopeiae" title="Mu Cassiopeiae">μ</a></li> <li><a href="/wiki/Nu_Cassiopeiae" title="Nu Cassiopeiae">ν</a></li> <li><a href="/wiki/Xi_Cassiopeiae" title="Xi Cassiopeiae">ξ</a></li> <li><a href="/wiki/Omicron_Cassiopeiae" title="Omicron Cassiopeiae">ο</a></li> <li><a href="/wiki/Pi_Cassiopeiae" title="Pi Cassiopeiae">π</a></li> <li><a href="/wiki/Rho_Cassiopeiae" title="Rho Cassiopeiae">ρ</a></li> <li><a href="/wiki/Sigma_Cassiopeiae" title="Sigma Cassiopeiae">σ</a></li> <li><a href="/wiki/Tau_Cassiopeiae" title="Tau Cassiopeiae">τ</a></li> <li><a href="/wiki/Upsilon1_Cassiopeiae" title="Upsilon1 Cassiopeiae">υ<sup>1</sup></a></li> <li><a href="/wiki/Upsilon2_Cassiopeiae" title="Upsilon2 Cassiopeiae">υ<sup>2</sup> (Castula)</a></li> <li><a href="/wiki/Phi_Cassiopeiae" title="Phi Cassiopeiae">φ</a></li> <li><a href="/wiki/Chi_Cassiopeiae" title="Chi Cassiopeiae">χ</a></li> <li><a href="/wiki/Psi_Cassiopeiae" title="Psi Cassiopeiae">ψ</a></li> <li><a href="/wiki/Omega_Cassiopeiae" title="Omega Cassiopeiae">ω</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:70px"><a href="/wiki/Flamsteed_designation" title="Flamsteed designation">Flamsteed</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/1_Cassiopeiae" title="1 Cassiopeiae">1</a></li> <li><a href="/wiki/2_Cassiopeiae" title="2 Cassiopeiae">2</a></li> <li><a href="/wiki/4_Cassiopeiae" title="4 Cassiopeiae">4</a></li> <li><a href="/wiki/6_Cassiopeiae" title="6 Cassiopeiae">6</a></li> <li><a href="/wiki/9_Cassiopeiae" title="9 Cassiopeiae">9</a></li> <li><a href="/wiki/10_Cassiopeiae" title="10 Cassiopeiae">10</a></li> <li><a href="/wiki/12_Cassiopeiae" title="12 Cassiopeiae">12</a></li> <li><a href="/wiki/42_Cassiopeiae" title="42 Cassiopeiae">42</a></li> <li><a href="/wiki/47_Cassiopeiae" title="47 Cassiopeiae">47</a></li> <li><a href="/wiki/48_Cassiopeiae" title="48 Cassiopeiae">48 (A)</a></li> <li><a href="/wiki/49_Cassiopeiae" title="49 Cassiopeiae">49</a></li> <li><a href="/wiki/50_Cassiopeiae" title="50 Cassiopeiae">50</a></li> <li><a href="/wiki/54_Cassiopeiae" title="54 Cassiopeiae">54</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:70px"><a href="/wiki/Variable_star_designation" class="mw-redirect" title="Variable star designation">Variable</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/R_Cassiopeiae" title="R Cassiopeiae">R</a></li> <li><a href="/wiki/S_Cassiopeiae" title="S Cassiopeiae">S</a></li> <li><a href="/wiki/TZ_Cassiopeiae" title="TZ Cassiopeiae">TZ</a></li> <li><a href="/wiki/WZ_Cassiopeiae" title="WZ Cassiopeiae">WZ</a></li> <li><a href="/wiki/YZ_Cassiopeiae" title="YZ Cassiopeiae">YZ (21)</a></li> <li><a href="/wiki/AO_Cassiopeiae" title="AO Cassiopeiae">AO</a></li> <li><a href="/wiki/AR_Cassiopeiae" title="AR Cassiopeiae">AR</a></li> <li><a href="/wiki/PZ_Cassiopeiae" title="PZ Cassiopeiae">PZ</a></li> <li><a href="/wiki/V373_Cassiopeiae" title="V373 Cassiopeiae">V373</a></li> <li><a href="/wiki/V509_Cassiopeiae" title="V509 Cassiopeiae">V509</a></li> <li><a href="/wiki/Gliese_22" title="Gliese 22">V547</a></li> <li><a href="/wiki/V669_Cassiopeiae" title="V669 Cassiopeiae">V669</a></li> <li><a href="/wiki/V705_Cassiopeiae" title="V705 Cassiopeiae">V705</a></li> <li><a href="/wiki/V762_Cassiopeiae" title="V762 Cassiopeiae">V762</a></li> <li><a href="/wiki/V863_Cassiopeiae" class="mw-redirect" title="V863 Cassiopeiae">V863</a></li> <li><a href="/wiki/ADS_1359" title="ADS 1359">V773</a></li> <li><a href="/wiki/HR_511" title="HR 511">V987</a></li> <li><a href="/wiki/HD_224355" title="HD 224355">V1022</a></li> <li><a href="/wiki/Nova_Cassiopeiae_2021" title="Nova Cassiopeiae 2021">V1405</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:70px"><a href="/wiki/Bright_Star_Catalogue" title="Bright Star Catalogue">HR</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/HD_1976" title="HD 1976">91</a></li> <li><a href="/wiki/HD_3240" title="HD 3240">144</a></li> <li><a href="/wiki/HD_4222" title="HD 4222">196</a></li> <li><a href="/wiki/HR_244" title="HR 244">244</a></li> <li><a href="/wiki/HR_273" title="HR 273">273</a></li> <li><a href="/wiki/HR_297" title="HR 297">297</a></li> <li><a href="/wiki/HD_15920" title="HD 15920">743</a></li> <li><a href="/wiki/HD_19275" title="HD 19275">932</a></li> <li><a href="/wiki/HD_219134" title="HD 219134">8832</a></li> <li><a href="/wiki/HD_219623" title="HD 219623">8853</a></li> <li><a href="/wiki/HD_220074" title="HD 220074">8881</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:70px"><a href="/wiki/Henry_Draper_Catalogue" title="Henry Draper Catalogue">HD</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/HD_861" title="HD 861">861</a></li> <li><a href="/wiki/HD_7924" title="HD 7924">7924</a></li> <li><a href="/wiki/HD_7977" title="HD 7977">7977</a></li> <li><a href="/wiki/HD_15558" title="HD 15558">15558</a></li> <li><a href="/wiki/HD_17156" title="HD 17156">17156 (Nushagak)</a></li> <li><a href="/wiki/HD_240210" title="HD 240210">240210</a></li> <li><a href="/wiki/HD_240237" title="HD 240237">240237</a></li> <li><a href="/wiki/HD_240429_and_HD_240430" title="HD 240429 and HD 240430">240429</a></li> <li><a href="/wiki/HD_240429_and_HD_240430" title="HD 240429 and HD 240430">240430</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:70px">Other</th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/BD%2B60%C2%B02522" title="BD+60°2522">BD+60°2522</a></li> <li><a href="/wiki/Gliese_49" title="Gliese 49">Gliese 49</a></li> <li><a href="/wiki/IRAS_23304%2B6147" title="IRAS 23304+6147">IRAS 23304+6147</a></li> <li><a href="/wiki/LS_I_%2B61_303" title="LS I +61 303">LS I +61 303</a></li> <li><a href="/wiki/3C_58" title="3C 58">PSR J0205+6449</a></li> <li><a href="/wiki/Tycho_G" title="Tycho G">Tycho G</a></li> <li><a href="/wiki/4U_0142%2B61" title="4U 0142+61">4U 0142+61</a></li> <li><a href="/wiki/WR_2" title="WR 2">WR 2</a></li> <li><a href="/wiki/WR_3" title="WR 3">WR 3</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th id="Exoplanets" scope="row" class="navbox-group" style="width:151px;background: #ddddff;"><a href="/wiki/Exoplanet" title="Exoplanet">Exoplanets</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/HD_7924_b" title="HD 7924 b">HD 7924 b</a></li> <li><a href="/wiki/HD_17156_b" title="HD 17156 b">HD 17156 b</a></li> <li><a href="/wiki/HD_219134_b" title="HD 219134 b">HD 219134 b</a></li> <li><a href="/wiki/HD_219134_c" title="HD 219134 c">c</a></li> <li><a href="/wiki/HD_219134_d" title="HD 219134 d">d</a></li> <li><a href="/wiki/HD_219134_h" title="HD 219134 h">e (h)</a></li> <li><a href="/wiki/HD_219134_f" title="HD 219134 f">f</a></li> <li><a href="/wiki/HD_219134_g" title="HD 219134 g">g</a></li> <li><a href="/wiki/HD_240210_b" title="HD 240210 b">HD 240210 b</a></li> <li><a href="/wiki/HD_240237_b" title="HD 240237 b">HD 240237 b</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th id="Star_clusters" scope="row" class="navbox-group" style="width:151px;background: #ddddff;"><a href="/wiki/Star_cluster" title="Star cluster">Star clusters</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Messier_52" title="Messier 52">Messier 52</a></li> <li><a href="/wiki/Messier_103" title="Messier 103">Messier 103</a></li> <li><a href="/wiki/NGC_103" title="NGC 103">NGC 103</a></li> <li><a href="/wiki/NGC_110" title="NGC 110">NGC 110</a></li> <li><a href="/wiki/NGC_129" title="NGC 129">NGC 129</a></li> <li><a href="/wiki/NGC_133" title="NGC 133">NGC 133</a></li> <li><a href="/wiki/NGC_136" title="NGC 136">NGC 136</a></li> <li><a href="/wiki/NGC_146" title="NGC 146">NGC 146</a></li> <li><a href="/wiki/NGC_189" title="NGC 189">NGC 189</a></li> <li><a href="/wiki/NGC_225" title="NGC 225">NGC 225</a></li> <li><a href="/wiki/NGC_358" title="NGC 358">NGC 358</a></li> <li><a href="/wiki/NGC_366" title="NGC 366">NGC 366</a></li> <li><a href="/wiki/NGC_381" title="NGC 381">NGC 381</a></li> <li><a href="/wiki/NGC_433" title="NGC 433">NGC 433</a></li> <li><a href="/wiki/NGC_436" title="NGC 436">NGC 436</a></li> <li><a href="/wiki/NGC_457" title="NGC 457">NGC 457</a></li> <li><a href="/wiki/NGC_559" title="NGC 559">NGC 559</a></li> <li><a href="/wiki/NGC_637" title="NGC 637">NGC 637</a></li> <li><a href="/wiki/NGC_654" title="NGC 654">NGC 654</a></li> <li><a href="/wiki/NGC_659" title="NGC 659">NGC 659</a></li> <li><a href="/wiki/NGC_663" title="NGC 663">NGC 663</a></li> <li><a href="/wiki/NGC_1027" title="NGC 1027">NGC 1027</a></li> <li><a href="/wiki/NGC_7789" title="NGC 7789">NGC 7789</a></li> <li><a href="/wiki/NGC_7790" title="NGC 7790">NGC 7790</a></li> <li><a href="/wiki/Trumpler_3" title="Trumpler 3">Trumpler 3</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="text-align: center;;width:55px"><a href="/wiki/Nebula" title="Nebula">Nebulae</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:70px"><a href="/wiki/New_General_Catalogue" title="New General Catalogue">NGC</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/NGC_281" title="NGC 281">281</a></li> <li><a href="/wiki/NGC_7635" class="mw-redirect" title="NGC 7635">7635</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:70px">Other</th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/3C_58" title="3C 58">3C 58</a></li> <li><a href="/wiki/Cassiopeia_A" title="Cassiopeia A">Cassiopeia A</a></li> <li><a href="/wiki/Heart_Nebula" title="Heart Nebula">Heart Nebula</a></li> <li><a href="/wiki/IC_289" title="IC 289">IC 289</a></li> <li><a href="/wiki/IC_1805" class="mw-redirect" title="IC 1805">IC 1805</a></li> <li><a href="/wiki/KjPn_8" title="KjPn 8">KjPn 8</a></li> <li><a href="/wiki/LBN_114.55%2B00.22" title="LBN 114.55+00.22">LBN 114.55+00.22</a></li> <li><a href="/wiki/Sh_2-185" title="Sh 2-185">Sh 2-185</a></li> <li><a href="/wiki/Westerhout_5" title="Westerhout 5">Westerhout 5</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="text-align: center;;width:55px"><a href="/wiki/Galaxy" title="Galaxy">Galaxies</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:70px">NGC</th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/NGC_147" title="NGC 147">147</a></li> <li><a href="/wiki/NGC_185" title="NGC 185">185</a></li> <li><a href="/wiki/NGC_278" title="NGC 278">278</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:70px">Other</th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Andromeda_VII" class="mw-redirect" title="Andromeda VII">Andromeda VII</a></li> <li><a href="/wiki/3C_20" title="3C 20">3C 20</a></li> <li><a href="/wiki/3C_35" title="3C 35">3C 35</a></li> <li><a href="/wiki/Dwingeloo_1" title="Dwingeloo 1">Dwingeloo 1</a></li> <li><a href="/wiki/Dwingeloo_2" title="Dwingeloo 2">Dwingeloo 2</a></li> <li><a href="/wiki/MB_3" title="MB 3">MB 3</a></li> <li><a href="/wiki/IC_10" title="IC 10">IC 10</a></li> <li><a href="/wiki/Maffei_1" title="Maffei 1">Maffei 1</a></li> <li><a href="/wiki/Maffei_2" title="Maffei 2">Maffei 2</a></li> <li><a href="/wiki/QSO_B0153%2B744" title="QSO B0153+744">QSO B0153+744</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th id="Astronomical_events" scope="row" class="navbox-group" style="width:151px;background: #ddddff;"><a href="/wiki/Transient_astronomical_event" class="mw-redirect" title="Transient astronomical event">Astronomical events</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/SN_1181" title="SN 1181">SN 1181</a></li> <li><a href="/wiki/SN_1572" title="SN 1572">SN 1572 (B)</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><td class="navbox-abovebelow" colspan="2" style="text-align: center;"><div><span class="noviewer" typeof="mw:File"><span title="Category"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/16px-Symbol_category_class.svg.png" decoding="async" width="16" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/23px-Symbol_category_class.svg.png 1.5x, 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