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Phi4 Ceti - Wikipedia

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Ceti – Italian" lang="it" hreflang="it" data-title="Phi4 Ceti" data-language-autonym="Italiano" data-language-local-name="Italian" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Phi4_Ceti" title="Phi4 Ceti – Portuguese" lang="pt" hreflang="pt" data-title="Phi4 Ceti" data-language-autonym="Português" data-language-local-name="Portuguese" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Fi4_Ceti" title="Fi4 Ceti – Swedish" lang="sv" hreflang="sv" data-title="Fi4 Ceti" data-language-autonym="Svenska" data-language-local-name="Swedish" class="interlanguage-link-target"><span>Svenska</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a 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.hatnote{font-style:italic}.mw-parser-output div.hatnote{padding-left:1.6em;margin-bottom:0.5em}.mw-parser-output .hatnote i{font-style:normal}.mw-parser-output .hatnote+link+.hatnote{margin-top:-0.5em}@media print{body.ns-0 .mw-parser-output .hatnote{display:none!important}}</style><div role="note" class="hatnote navigation-not-searchable">For other stars with this <a href="/wiki/Bayer_designation" title="Bayer designation">Bayer designation</a>, see <a href="/wiki/Phi_Ceti" title="Phi Ceti">φ Ceti</a>.</div> <table class="infobox" style="width: 22em; font-size: 88%; line-height: 1.5em"> <caption style="font-size: 125%; font-weight: bold">Phi<sup>4</sup> Ceti </caption> <tbody><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>&#160;&#160;&#160;&#160;&#160;&#160;<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> (<a href="/wiki/International_Celestial_Reference_System" class="mw-redirect" title="International Celestial Reference System">ICRS</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/Cetus_(constellation)" class="mw-redirect" title="Cetus (constellation)">Cetus</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">00<sup>h</sup> 58<sup>m</sup> 43.86832<sup>s</sup></span><sup id="cite_ref-GaiaDR2_1-0" class="reference"><a href="#cite_note-GaiaDR2-1"><span class="cite-bracket">&#91;</span>1<span class="cite-bracket">&#93;</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>−11&#176;&#160;22&#8242;&#160;47.9147&#8243;<sup id="cite_ref-GaiaDR2_1-1" class="reference"><a href="#cite_note-GaiaDR2-1"><span class="cite-bracket">&#91;</span>1<span class="cite-bracket">&#93;</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&#160;magnitude</a>&#160;(V)</span> </th> <td>5.61<sup id="cite_ref-Corben1968_2-0" class="reference"><a href="#cite_note-Corben1968-2"><span class="cite-bracket">&#91;</span>2<span class="cite-bracket">&#93;</span></a></sup> </td></tr> <tr> <th style="background-color: #FFFFC0; text-align: center;" colspan="2">Characteristics </th></tr> <tr style="vertical-align:top"> <th style="text-align:left"><a href="/wiki/Stellar_evolution" title="Stellar evolution">Evolutionary&#160;stage</a> </th> <td>Horizontal branch </td></tr> <tr style="vertical-align:top"> <th style="text-align:left"><a href="/wiki/Stellar_classification" title="Stellar classification">Spectral&#160;type</a> </th> <td>G8&#160;III<sup id="cite_ref-Houk1999_3-0" class="reference"><a href="#cite_note-Houk1999-3"><span class="cite-bracket">&#91;</span>3<span class="cite-bracket">&#93;</span></a></sup> </td></tr> <tr style="vertical-align:top"> <th style="text-align:left">B−V <a href="/wiki/Color_index" title="Color index">color index</a> </th> <td>+0.94<sup id="cite_ref-Corben1968_2-1" class="reference"><a href="#cite_note-Corben1968-2"><span class="cite-bracket">&#91;</span>2<span class="cite-bracket">&#93;</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/Radial_velocity" title="Radial velocity">Radial velocity</a> (R<sub>v</sub>)</b></td><td><span class="nowrap"><span data-sort-value="2998807600000000000♠"></span>−19.24<span style="margin-left:0.3em;margin-right:0.15em;">±</span>0.07</span><sup id="cite_ref-jofre2015_4-0" class="reference"><a href="#cite_note-jofre2015-4"><span class="cite-bracket">&#91;</span>4<span class="cite-bracket">&#93;</span></a></sup>&#160;km/s</td></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>&#160;−33.159<sup id="cite_ref-GaiaDR2_1-2" class="reference"><a href="#cite_note-GaiaDR2-1"><span class="cite-bracket">&#91;</span>1<span class="cite-bracket">&#93;</span></a></sup>&#160;<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>&#160;−14.202<sup id="cite_ref-GaiaDR2_1-3" class="reference"><a href="#cite_note-GaiaDR2-1"><span class="cite-bracket">&#91;</span>1<span class="cite-bracket">&#93;</span></a></sup>&#160;<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>9.7623&#160;±&#160;0.1120&#160;<a href="/wiki/Milliarcsecond" class="mw-redirect" title="Milliarcsecond">mas</a><sup id="cite_ref-GaiaDR2_1-4" class="reference"><a href="#cite_note-GaiaDR2-1"><span class="cite-bracket">&#91;</span>1<span class="cite-bracket">&#93;</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>334 ± 4&#160;<a href="/wiki/Light-year" title="Light-year">ly</a> <br />(102 ± 1&#160;<a href="/wiki/Parsec" title="Parsec">pc</a>)</td></tr><tr style="vertical-align:top;"><td><b><a href="/wiki/Absolute_magnitude" title="Absolute magnitude">Absolute&#160;magnitude</a>&#160;(M<sub>V</sub>)</b></td><td>0.696<sup id="cite_ref-Liu2007_5-0" class="reference"><a href="#cite_note-Liu2007-5"><span class="cite-bracket">&#91;</span>5<span class="cite-bracket">&#93;</span></a></sup></td></tr><tr><th colspan="2" style="text-align: center"></th></tr> <tr><th style="background-color: #FFFFC0; text-align: center;" colspan="2">Details<sup id="cite_ref-jofre2015_4-1" class="reference"><a href="#cite_note-jofre2015-4"><span class="cite-bracket">&#91;</span>4<span class="cite-bracket">&#93;</span></a></sup></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="7000176000000000000♠"></span>1.76<span style="margin-left:0.3em;margin-right:0.15em;">±</span>0.18</span>&#160;<a href="/wiki/Solar_mass" title="Solar mass"><var>M</var><sub>&#x2609;</sub></a></td></tr><tr style="vertical-align:baseline;"><td><b><a href="/wiki/Radius" title="Radius">Radius</a></b></td><td><span class="nowrap"><span data-sort-value="7001110800000000000♠"></span>11.08<span style="margin-left:0.3em;"><span style="display:inline-block;margin-bottom:-0.3em;vertical-align:-0.4em;line-height:1.2em;font-size:85%;text-align:right;">+0.35<br />−0.26</span></span></span><sup id="cite_ref-GaiaDR2_1-5" class="reference"><a href="#cite_note-GaiaDR2-1"><span class="cite-bracket">&#91;</span>1<span class="cite-bracket">&#93;</span></a></sup>&#160;<a href="/wiki/Solar_radius" title="Solar radius"><var>R</var><sub>&#x2609;</sub></a></td></tr><tr style="vertical-align:baseline;"><td><b><a href="/wiki/Luminosity" title="Luminosity">Luminosity</a></b></td><td><span class="nowrap"><span data-sort-value="7001649000000000000♠"></span>64.9<span style="margin-left:0.3em;margin-right:0.15em;">±</span>0.9</span><sup id="cite_ref-GaiaDR2_1-6" class="reference"><a href="#cite_note-GaiaDR2-1"><span class="cite-bracket">&#91;</span>1<span class="cite-bracket">&#93;</span></a></sup>&#160;<a href="/wiki/Solar_luminosity" title="Solar luminosity"><var>L</var><sub>&#x2609;</sub></a></td></tr><tr style="vertical-align:baseline;"><td><b><a href="/wiki/Surface_gravity" title="Surface gravity">Surface gravity</a> (log&#160;<i>g</i>)</b></td><td><span class="nowrap"><span data-sort-value="7000260000000000000♠"></span>2.60<span style="margin-left:0.3em;margin-right:0.15em;">±</span>0.06</span>&#160;<a href="/wiki/Centimetre%E2%80%93gram%E2%80%93second_system_of_units" title="Centimetre–gram–second system of units">cgs</a></td></tr><tr style="vertical-align:baseline;"><td><b><a href="/wiki/Effective_temperature" title="Effective temperature">Temperature</a></b></td><td><span class="nowrap"><span data-sort-value="7003490300000000000♠"></span>4,903<span style="margin-left:0.3em;margin-right:0.15em;">±</span>28</span>&#160;<a href="/wiki/Kelvin" title="Kelvin">K</a></td></tr><tr style="vertical-align:baseline;"><td><b><a href="/wiki/Metallicity" title="Metallicity">Metallicity</a></b> [Fe/H]</td><td><span class="nowrap"><span data-sort-value="3000830000000000000♠"></span>−0.17<span style="margin-left:0.3em;margin-right:0.15em;">±</span>0.03</span>&#160;<a href="/wiki/Decimal_exponent" class="mw-redirect" title="Decimal exponent">dex</a></td></tr><tr style="vertical-align:baseline;"><td><b><a href="/wiki/Projected_rotational_velocity" class="mw-redirect" title="Projected rotational velocity">Rotational velocity</a> (<i>v</i>&#160;sin&#160;<i>i</i>)</b></td><td><span class="nowrap"><span data-sort-value="6999830000000000000♠"></span>0.83<span style="margin-left:0.3em;margin-right:0.15em;">±</span>0.48</span>&#160;km/s</td></tr><tr style="vertical-align:baseline;"><td><b><a href="/wiki/Stellar_evolution" title="Stellar evolution">Age</a></b></td><td>1.52&#160;<a href="/wiki/Gigayear" class="mw-redirect" title="Gigayear">Gyr</a></td></tr><tr><th colspan="2" style="text-align: center"></th></tr> <tr><th style="background-color: #FFFFC0; text-align: center;" colspan="2"><a href="/wiki/Star_catalogue" title="Star catalogue">Other designations</a></th></tr><tr><td colspan="2"><div style="width: 250px;"> <a href="/wiki/Bayer_designation" title="Bayer designation">φ<sup>4</sup>&#160;Cet</a>, <a href="/wiki/Flamsteed_designation" title="Flamsteed designation">23 Cet</a>, <span class="nowrap"><a href="/wiki/Bonner_Durchmusterung" class="mw-redirect" title="Bonner Durchmusterung">BD</a>−12°173</span>, <a href="/wiki/Henry_Draper_Catalogue" title="Henry Draper Catalogue">HD</a>&#160;5722, <a href="/wiki/Hipparcos_Catalogue" class="mw-redirect" title="Hipparcos Catalogue">HIP</a>&#160;4587, <a href="/wiki/Harvard_Revised_catalogue" class="mw-redirect" title="Harvard Revised catalogue">HR</a>&#160;279, <a href="/wiki/Smithsonian_Astrophysical_Observatory_Star_Catalog" title="Smithsonian Astrophysical Observatory Star Catalog">SAO</a>&#160;147546<sup id="cite_ref-SIMBAD_6-0" class="reference"><a href="#cite_note-SIMBAD-6"><span class="cite-bracket">&#91;</span>6<span class="cite-bracket">&#93;</span></a></sup> </div></td></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=phi04+Cet">data</a></td></tr> </tbody></table> <p><b>Phi<sup>4</sup> Ceti</b> is a solitary,<sup id="cite_ref-Eggleton2008_7-0" class="reference"><a href="#cite_note-Eggleton2008-7"><span class="cite-bracket">&#91;</span>7<span class="cite-bracket">&#93;</span></a></sup> orange-hued <a href="/wiki/Star" title="Star">star</a> in the equatorial <a href="/wiki/Constellation" title="Constellation">constellation</a> <a href="/wiki/Cetus_(constellation)" class="mw-redirect" title="Cetus (constellation)">Cetus</a>. It is faintly visible to the naked eye with an <a href="/wiki/Apparent_visual_magnitude" class="mw-redirect" title="Apparent visual magnitude">apparent visual magnitude</a> of 5.61.<sup id="cite_ref-Corben1968_2-2" class="reference"><a href="#cite_note-Corben1968-2"><span class="cite-bracket">&#91;</span>2<span class="cite-bracket">&#93;</span></a></sup> Based upon an annual <a href="/wiki/Stellar_parallax" title="Stellar parallax">parallax shift</a> of <span class="nowrap"><span data-sort-value="6992473178152762908♠"></span>9.76&#160;<a href="/wiki/Milliarcsecond" class="mw-redirect" title="Milliarcsecond">mas</a></span> as seen from Earth, it is located approximately 334&#160;<a href="/wiki/Light_year" class="mw-redirect" title="Light year">light years</a> from the <a href="/wiki/Sun" title="Sun">Sun</a>. At that distance, the visual magnitude of the star is diminished by an <a href="/wiki/Extinction_(astronomy)" title="Extinction (astronomy)">extinction factor</a> of 0.10 due to <a href="/wiki/Interstellar_dust" class="mw-redirect" title="Interstellar dust">interstellar dust</a>,<sup id="cite_ref-jofre2015_4-2" class="reference"><a href="#cite_note-jofre2015-4"><span class="cite-bracket">&#91;</span>4<span class="cite-bracket">&#93;</span></a></sup> giving it an <a href="/wiki/Absolute_magnitude" title="Absolute magnitude">absolute magnitude</a> of 0.70.<sup id="cite_ref-Liu2007_5-1" class="reference"><a href="#cite_note-Liu2007-5"><span class="cite-bracket">&#91;</span>5<span class="cite-bracket">&#93;</span></a></sup> It is drifting closer with a <a href="/wiki/Radial_velocity" title="Radial velocity">radial velocity</a> of −19&#160;km/s.<sup id="cite_ref-jofre2015_4-3" class="reference"><a href="#cite_note-jofre2015-4"><span class="cite-bracket">&#91;</span>4<span class="cite-bracket">&#93;</span></a></sup> </p><p>This is an <a href="/wiki/Stellar_evolution" title="Stellar evolution">evolved</a> <a href="/wiki/G-type_star" class="mw-redirect" title="G-type star">G-type</a> <a href="/wiki/Giant_star" title="Giant star">giant star</a> with a <a href="/wiki/Stellar_classification" title="Stellar classification">stellar classification</a> of G8&#160;III.<sup id="cite_ref-Houk1999_3-1" class="reference"><a href="#cite_note-Houk1999-3"><span class="cite-bracket">&#91;</span>3<span class="cite-bracket">&#93;</span></a></sup> At the estimated age of 1.5&#160;billion years,<sup id="cite_ref-jofre2015_4-4" class="reference"><a href="#cite_note-jofre2015-4"><span class="cite-bracket">&#91;</span>4<span class="cite-bracket">&#93;</span></a></sup> is a <a href="/wiki/Red_clump" title="Red clump">red clump</a> giant on the <a href="/wiki/Horizontal_branch" title="Horizontal branch">horizontal branch</a>, which indicates it is generating energy through <a href="/wiki/Triple-alpha_process" title="Triple-alpha process">helium fusion</a> at its <a href="/wiki/Stellar_core" title="Stellar core">core</a>.<sup id="cite_ref-Liu2007_5-2" class="reference"><a href="#cite_note-Liu2007-5"><span class="cite-bracket">&#91;</span>5<span class="cite-bracket">&#93;</span></a></sup> The star has about 1.76<sup id="cite_ref-jofre2015_4-5" class="reference"><a href="#cite_note-jofre2015-4"><span class="cite-bracket">&#91;</span>4<span class="cite-bracket">&#93;</span></a></sup> times the <a href="/wiki/Mass_of_the_Sun" class="mw-redirect" title="Mass of the Sun">mass of the Sun</a> and has expanded to 11 times the <a href="/wiki/Sun%27s_radius" class="mw-redirect" title="Sun&#39;s radius">Sun's radius</a>.<sup id="cite_ref-GaiaDR2_1-7" class="reference"><a href="#cite_note-GaiaDR2-1"><span class="cite-bracket">&#91;</span>1<span class="cite-bracket">&#93;</span></a></sup> It is radiating 60 times the <a href="/wiki/Solar_luminosity" title="Solar luminosity">solar luminosity</a> from its <a href="/wiki/Photosphere" title="Photosphere">photosphere</a> at an <a href="/wiki/Effective_temperature" title="Effective temperature">effective temperature</a> of 4,903&#160;K.<sup id="cite_ref-jofre2015_4-6" class="reference"><a href="#cite_note-jofre2015-4"><span class="cite-bracket">&#91;</span>4<span class="cite-bracket">&#93;</span></a></sup> </p> <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=Phi4_Ceti&amp;action=edit&amp;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"><ol class="references"> <li id="cite_note-GaiaDR2-1"><span class="mw-cite-backlink">^ <a href="#cite_ref-GaiaDR2_1-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-GaiaDR2_1-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-GaiaDR2_1-2"><sup><i><b>c</b></i></sup></a> <a href="#cite_ref-GaiaDR2_1-3"><sup><i><b>d</b></i></sup></a> <a href="#cite_ref-GaiaDR2_1-4"><sup><i><b>e</b></i></sup></a> <a href="#cite_ref-GaiaDR2_1-5"><sup><i><b>f</b></i></sup></a> <a href="#cite_ref-GaiaDR2_1-6"><sup><i><b>g</b></i></sup></a> <a href="#cite_ref-GaiaDR2_1-7"><sup><i><b>h</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="CITEREFBrown2018" class="citation journal cs1"><a href="/wiki/Anthony_Brown_(scientist)" title="Anthony Brown (scientist)">Brown, A. G. A.</a>; et&#160;al. (Gaia collaboration) (August 2018). <a rel="nofollow" class="external text" href="https://doi.org/10.1051%2F0004-6361%2F201833051">"<i>Gaia</i> Data Release 2: Summary of the contents and survey properties"</a>. <i><a href="/wiki/Astronomy_%26_Astrophysics" title="Astronomy &amp; Astrophysics">Astronomy &amp; Astrophysics</a></i>. <b>616</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/1804.09365">1804.09365</a></span>. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2018A&amp;A...616A...1G">2018A&#38;A...616A...1G</a></span>. <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%2F201833051">10.1051/0004-6361/201833051</a></span>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=article&amp;rft.jtitle=Astronomy+%26+Astrophysics&amp;rft.atitle=Gaia+Data+Release+2%3A+Summary+of+the+contents+and+survey+properties&amp;rft.volume=616&amp;rft.pages=A1&amp;rft.date=2018-08&amp;rft_id=info%3Aarxiv%2F1804.09365&amp;rft_id=info%3Adoi%2F10.1051%2F0004-6361%2F201833051&amp;rft_id=info%3Abibcode%2F2018A%26A...616A...1G&amp;rft.aulast=Brown&amp;rft.aufirst=A.+G.+A.&amp;rft_id=https%3A%2F%2Fdoi.org%2F10.1051%252F0004-6361%252F201833051&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3APhi4+Ceti" class="Z3988"></span>&#32;<a rel="nofollow" class="external text" href="http://vizier.u-strasbg.fr/viz-bin/VizieR-S?Gaia%20DR2%202472524234636869248">Gaia DR2 record for this source</a> at <a href="/wiki/VizieR" title="VizieR">VizieR</a>.</span> </li> <li id="cite_note-Corben1968-2"><span class="mw-cite-backlink">^ <a href="#cite_ref-Corben1968_2-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-Corben1968_2-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-Corben1968_2-2"><sup><i><b>c</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFCorbenStoy1968" class="citation cs2">Corben, P. 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(1999), "Michigan catalogue of two-dimensional spectral types for the HD Stars", <i>Michigan Spectral Survey</i>, <b>5</b>, Ann Arbor, Michigan: Department of Astronomy, University of Michigan, <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/1999MSS...C05....0H">1999MSS...C05....0H</a>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=article&amp;rft.jtitle=Michigan+Spectral+Survey&amp;rft.atitle=Michigan+catalogue+of+two-dimensional+spectral+types+for+the+HD+Stars&amp;rft.volume=5&amp;rft.date=1999&amp;rft_id=info%3Abibcode%2F1999MSS...C05....0H&amp;rft.aulast=Houk&amp;rft.aufirst=N.&amp;rft.au=Swift%2C+C.&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3APhi4+Ceti" class="Z3988"></span></span> </li> <li id="cite_note-jofre2015-4"><span class="mw-cite-backlink">^ <a href="#cite_ref-jofre2015_4-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-jofre2015_4-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-jofre2015_4-2"><sup><i><b>c</b></i></sup></a> <a href="#cite_ref-jofre2015_4-3"><sup><i><b>d</b></i></sup></a> <a href="#cite_ref-jofre2015_4-4"><sup><i><b>e</b></i></sup></a> <a href="#cite_ref-jofre2015_4-5"><sup><i><b>f</b></i></sup></a> <a href="#cite_ref-jofre2015_4-6"><sup><i><b>g</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFJofréPetrucciSaffeSaker2015" class="citation cs2">Jofré, E.; et&#160;al. 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navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Cetus" title="Template:Cetus"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Cetus" title="Template talk:Cetus"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Cetus" title="Special:EditPage/Template:Cetus"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Constellation_of_Cetus" style="font-size:114%;margin:0 4em"><a href="/wiki/Cetus_(constellation)" class="mw-redirect" title="Cetus (constellation)">Constellation of Cetus</a></div></th></tr><tr><td class="navbox-abovebelow" colspan="2" style="text-align: center;"><div> <ul><li><a href="/wiki/List_of_stars_in_Cetus" title="List of stars in Cetus">List of stars in Cetus</a></li> <li><a href="/wiki/Cetus_in_Chinese_astronomy" title="Cetus in Chinese astronomy">Cetus 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_Ceti" title="Alpha Ceti">α (Menkar)</a></li> <li><a href="/wiki/Beta_Ceti" title="Beta Ceti">β (Diphda)</a></li> <li><a href="/wiki/Gamma_Ceti" title="Gamma Ceti">γ (Kaffaljidhma)</a></li> <li><a href="/wiki/Delta_Ceti" title="Delta Ceti">δ</a></li> <li><a href="/wiki/Epsilon_Ceti" title="Epsilon Ceti">ε</a></li> <li><a href="/wiki/Zeta_Ceti" title="Zeta Ceti">ζ (Baten Kaitos)</a></li> <li><a href="/wiki/Eta_Ceti" title="Eta Ceti">η</a></li> <li><a href="/wiki/Theta_Ceti" title="Theta Ceti">θ</a></li> <li><a href="/wiki/Iota_Ceti" title="Iota Ceti">ι</a></li> <li><a href="/wiki/Kappa1_Ceti" title="Kappa1 Ceti">κ<sup>1</sup></a></li> <li><a href="/wiki/Kappa2_Ceti" title="Kappa2 Ceti">κ<sup>2</sup></a></li> <li><a href="/wiki/Lambda_Ceti" title="Lambda Ceti">λ</a></li> <li><a href="/wiki/Mu_Ceti" title="Mu Ceti">μ</a></li> <li><a href="/wiki/Nu_Ceti" title="Nu Ceti">ν</a></li> <li><a href="/wiki/Xi1_Ceti" title="Xi1 Ceti">ξ<sup>1</sup></a></li> <li><a href="/wiki/Xi2_Ceti" title="Xi2 Ceti">ξ<sup>2</sup></a></li> <li><a href="/wiki/Mira" title="Mira">ο (Mira)</a> <ul><li><a href="/wiki/Mira_A" class="mw-redirect" title="Mira A">A</a></li> <li><a href="/wiki/Mira_B" title="Mira B">B</a></li></ul></li> <li><a href="/wiki/Pi_Ceti" title="Pi Ceti">π</a></li> <li><a href="/wiki/Rho_Ceti" title="Rho Ceti">ρ</a></li> <li><a href="/wiki/Sigma_Ceti" title="Sigma Ceti">σ</a></li> <li><a href="/wiki/Tau_Ceti" title="Tau Ceti">τ</a></li> <li><a href="/wiki/Upsilon_Ceti" title="Upsilon Ceti">υ</a></li> <li><a href="/wiki/Phi1_Ceti" title="Phi1 Ceti">φ<sup>1</sup></a></li> <li><a href="/wiki/Phi2_Ceti" title="Phi2 Ceti">φ<sup>2</sup></a></li> <li><a href="/wiki/Phi3_Ceti" title="Phi3 Ceti">φ<sup>3</sup></a></li> <li><a class="mw-selflink selflink">φ<sup>4</sup></a></li> <li><a href="/wiki/Chi_Ceti" title="Chi Ceti">χ</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_Ceti" title="1 Ceti">1</a></li> <li><a href="/wiki/2_Ceti" title="2 Ceti">2</a></li> <li><a href="/wiki/3_Ceti" title="3 Ceti">3</a></li> <li><a href="/wiki/6_Ceti" title="6 Ceti">6</a></li> <li><a href="/wiki/7_Ceti" title="7 Ceti">7</a></li> <li><a href="/wiki/9_Ceti" title="9 Ceti">9</a></li> <li><a href="/wiki/13_Ceti" title="13 Ceti">13</a></li> <li><a href="/wiki/14_Ceti" title="14 Ceti">14</a></li> <li><a href="/wiki/20_Ceti" title="20 Ceti">20</a></li> <li><a href="/wiki/46_Ceti" title="46 Ceti">46</a></li> <li><a href="/wiki/49_Ceti" title="49 Ceti">49</a></li> <li><a href="/wiki/56_Ceti" title="56 Ceti">56 (υ<sup>1</sup>)</a></li> <li><a href="/wiki/63_Ceti" title="63 Ceti">63</a></li> <li><a href="/wiki/64_Ceti" title="64 Ceti">64</a></li> <li><a href="/wiki/69_Ceti" title="69 Ceti">69</a></li> <li><a href="/wiki/75_Ceti" title="75 Ceti">75</a></li> <li><a href="/wiki/77_Ceti" title="77 Ceti">77</a></li> <li><a href="/wiki/79_Ceti" title="79 Ceti">79</a></li> <li><a href="/wiki/81_Ceti" title="81 Ceti">81</a></li> <li><a href="/wiki/84_Ceti" title="84 Ceti">84</a></li> <li><a href="/wiki/94_Ceti" title="94 Ceti">94</a></li> <li><i><a href="/wiki/25_Arietis" title="25 Arietis">25 Ari</a></i></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/T_Ceti" title="T Ceti">T</a></li> <li><a href="/wiki/Gliese_65" title="Gliese 65">UV</a></li> <li><a href="/wiki/YZ_Ceti" title="YZ Ceti">YZ</a></li> <li><a href="/wiki/Ross_548" title="Ross 548">ZZ</a></li> <li><a href="/wiki/AY_Ceti" title="AY Ceti">AY</a></li> <li><a href="/wiki/Gliese_65" title="Gliese 65">BL</a></li> <li><a href="/wiki/HD_9289" title="HD 9289">BW</a></li> <li><a href="/wiki/HD_12039" title="HD 12039">DK</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_256" title="HD 256">10</a></li> <li><a href="/wiki/HD_1461" title="HD 1461">72</a></li> <li><a href="/wiki/HD_3443" title="HD 3443">159</a></li> <li><a href="/wiki/HD_4732" title="HD 4732">228</a></li> <li><a href="/wiki/HD_10550" title="HD 10550">500</a></li> <li><a href="/wiki/HD_14214" title="HD 14214">672</a></li> <li><a href="/wiki/HD_18262" title="HD 18262">870</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_984" title="HD 984">984</a></li> <li><a href="/wiki/HD_1690" title="HD 1690">1690</a></li> <li><a href="/wiki/HD_2638" title="HD 2638">2638</a></li> <li><a href="/wiki/HD_4747" title="HD 4747">4747</a></li> <li><a href="/wiki/HD_5319" title="HD 5319">5319</a></li> <li><a href="/wiki/HD_6718" title="HD 6718">6718</a></li> <li><a href="/wiki/HD_7449" title="HD 7449">7449</a></li> <li><a href="/wiki/HD_11506" title="HD 11506">11506</a></li> <li><a href="/wiki/HD_11964" title="HD 11964">11964</a></li> <li><a href="/wiki/HD_15115" title="HD 15115">15115</a></li> <li><a href="/wiki/HIP_11915" title="HIP 11915">16008</a></li> <li><a href="/wiki/HD_224693" title="HD 224693">224693 (Axólotl)</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/2MASS_J01225093%E2%88%922439505" title="2MASS J01225093−2439505">2MASS J01225093−2439505</a></li> <li><a href="/wiki/BD-07_436" title="BD-07 436">BD-07 436</a></li> <li><a href="/wiki/BD%E2%88%9217_63" title="BD−17 63">BD−17 63 (Felixvarela)</a></li> <li><a href="/wiki/Cayrel%27s_Star" title="Cayrel&#39;s Star">Cayrel's Star</a></li> <li><a href="/wiki/CFBDS_J005910.90%E2%80%93011401.3" title="CFBDS J005910.90–011401.3">CFBDS J005910.90–011401.3</a></li> <li><a href="/wiki/DENIS-P_J020529.0%E2%88%92115925" title="DENIS-P J020529.0−115925">DENIS-P J020529.0−115925</a></li> <li><a href="/wiki/GD_40" title="GD 40">GD 40</a></li> <li><a href="/wiki/Gliese_65" title="Gliese 65">Gliese 65</a></li> <li><a href="/wiki/Gliese_105" title="Gliese 105">Gliese 105</a></li> <li><a href="/wiki/GJ_1002" title="GJ 1002">GJ 1002</a></li> <li><a href="/wiki/GJ_1005" title="GJ 1005">GJ 1005</a></li> <li><a href="/wiki/HIP_5158" title="HIP 5158">HIP 5158</a></li> <li><a href="/wiki/HIP_11952" title="HIP 11952">HIP 11952</a></li> <li><a href="/wiki/LHS_1140" title="LHS 1140">LHS 1140</a></li> <li><a href="/wiki/NGC_156" title="NGC 156">NGC 156</a></li> <li><a href="/wiki/NGC_158" title="NGC 158">NGC 158</a></li> <li><a href="/wiki/NGC_302" title="NGC 302">NGC 302</a></li> <li><a href="/wiki/NGC_308" title="NGC 308">NGC 308</a></li> <li><a href="/wiki/NGC_310" title="NGC 310">NGC 310</a></li> <li><a href="/wiki/PSR_J0108%E2%88%921431" title="PSR J0108−1431">PSR J0108−1431</a></li> <li><a href="/wiki/SDSS_J001820.5%E2%88%92093939.2" title="SDSS J001820.5−093939.2">SDSS J001820.5−093939.2</a></li> <li><a href="/wiki/SDSS_J0106%E2%88%921000" title="SDSS J0106−1000">SDSS J0106−1000</a></li> <li><a href="/wiki/ULAS_J003402.77%E2%88%92005206.7" title="ULAS J003402.77−005206.7">ULAS J003402.77−005206.7</a></li> <li><a href="/wiki/WD_J2356%E2%88%92209" title="WD J2356−209">WD J2356−209</a></li> <li><a href="/wiki/WASP-20" title="WASP-20">WASP-20</a></li> <li><a href="/wiki/WASP-26" title="WASP-26">WASP-26</a></li> <li><a href="/wiki/WASP-44" title="WASP-44">WASP-44</a></li> <li><a href="/wiki/BD%2B00_316" title="BD+00 316">WASP-71 (Mpingo)</a></li> <li><a href="/wiki/WISE_J0254%2B0223" title="WISE J0254+0223">WISE J0254+0223</a></li> <li><a href="/wiki/WHL0137-LS" title="WHL0137-LS">WHL0137-LS</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/79_Ceti_b" title="79 Ceti b">79 Ceti b</a></li> <li><a href="/wiki/81_Ceti_b" title="81 Ceti b">81 Ceti b</a></li> <li><a href="/wiki/94_Ceti_b" title="94 Ceti b">94 Ceti b</a></li> <li><a href="/wiki/BD%E2%88%9217_63_b" title="BD−17 63 b">BD−17 63 b</a></li> <li><a href="/wiki/HD_1461_b" title="HD 1461 b">HD 1461 b</a></li> <li><a href="/wiki/HD_2638_b" title="HD 2638 b">HD 2638 b</a></li> <li><a href="/wiki/HD_5319_b" title="HD 5319 b">HD 5319 b</a></li> <li><a href="/wiki/HD_11506_b" title="HD 11506 b">HD 11506 b</a></li> <li><a href="/wiki/HD_11506_c" title="HD 11506 c">c</a></li> <li><a href="/wiki/HD_11964_b" title="HD 11964 b">HD 11964 b</a></li> <li><a href="/wiki/HD_11964_c" title="HD 11964 c">c</a></li> <li><a href="/wiki/HD_224693_b" title="HD 224693 b">HD 224693 b</a></li> <li><a href="/wiki/HIP_5158_b" title="HIP 5158 b">HIP 5158 b</a></li> <li><a href="/wiki/HIP_5158_c" title="HIP 5158 c">c</a></li> <li><a href="/wiki/HIP_11915_b" title="HIP 11915 b">HIP 11915 b</a></li> <li><a href="/wiki/Tau_Ceti_e" title="Tau Ceti e">τ Ceti e</a></li> <li><a href="/wiki/Tau_Ceti_f" title="Tau Ceti f">f</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="Nebulae" scope="row" class="navbox-group" style="width:151px;background: #ddddff;"><a href="/wiki/Nebula" title="Nebula">Nebulae</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/NGC_246" title="NGC 246">NGC 246</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"><a href="/wiki/Messier_object" title="Messier object">Messier</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/Messier_77" title="Messier 77">77</a></li></ul> </div></td></tr><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-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/NGC_17" title="NGC 17">17</a></li> <li><a href="/wiki/NGC_35" title="NGC 35">35</a></li> <li><a href="/wiki/NGC_45" title="NGC 45">45</a></li> <li><a href="/wiki/NGC_47" title="NGC 47">47</a></li> <li><a href="/wiki/NGC_50" title="NGC 50">50</a></li> <li><a href="/wiki/NGC_54" title="NGC 54">54</a></li> <li><a href="/wiki/NGC_59" title="NGC 59">59</a></li> <li><a href="/wiki/NGC_61" title="NGC 61">61</a></li> <li><a href="/wiki/NGC_62" title="NGC 62">62</a></li> <li><a href="/wiki/NGC_64" title="NGC 64">64</a></li> <li><a href="/wiki/NGC_65" title="NGC 65">65</a></li> <li><a href="/wiki/NGC_66" title="NGC 66">66</a></li> <li><a href="/wiki/NGC_73" title="NGC 73">73</a></li> <li><a href="/wiki/NGC_77" title="NGC 77">77</a></li> <li><a href="/wiki/NGC_102" title="NGC 102">102</a></li> <li><a href="/wiki/NGC_107" title="NGC 107">107</a></li> <li><a href="/wiki/NGC_113" title="NGC 113">113</a></li> <li><a href="/wiki/NGC_114" title="NGC 114">114</a></li> <li><a href="/wiki/NGC_116" title="NGC 116">116</a></li> <li><a href="/wiki/NGC_117" title="NGC 117">117</a></li> <li><a href="/wiki/NGC_118" title="NGC 118">118</a></li> <li><a href="/wiki/NGC_120" title="NGC 120">120</a></li> <li><a href="/wiki/NGC_124" title="NGC 124">124</a></li> <li><a href="/wiki/NGC_132" title="NGC 132">132</a></li> <li><a href="/wiki/NGC_135" class="mw-redirect" title="NGC 135">135</a></li> <li><a href="/wiki/NGC_142" class="mw-redirect" title="NGC 142">142</a></li> <li><a href="/wiki/NGC_143" title="NGC 143">143</a></li> <li><a href="/wiki/NGC_144" title="NGC 144">144</a></li> <li><a href="/wiki/NGC_145" title="NGC 145">145</a></li> <li><a href="/wiki/NGC_151" title="NGC 151">151</a></li> <li><a href="/wiki/NGC_154" title="NGC 154">154</a></li> <li><a href="/wiki/NGC_155" title="NGC 155">155</a></li> <li><a href="/wiki/NGC_157" title="NGC 157">157</a></li> <li><a href="/wiki/NGC_161" title="NGC 161">161</a></li> <li><a href="/wiki/NGC_163" title="NGC 163">163</a></li> <li><a href="/wiki/NGC_165" title="NGC 165">165</a></li> <li><a href="/wiki/NGC_166" title="NGC 166">166</a></li> <li><a href="/wiki/NGC_167" title="NGC 167">167</a></li> <li><a href="/wiki/NGC_168" title="NGC 168">168</a></li> <li><a href="/wiki/NGC_170" title="NGC 170">170</a></li> <li><a href="/wiki/NGC_171" title="NGC 171">171</a></li> <li><a href="/wiki/NGC_172" title="NGC 172">172</a></li> <li><a href="/wiki/NGC_173" title="NGC 173">173</a></li> <li><a href="/wiki/NGC_177" title="NGC 177">177</a></li> <li><a href="/wiki/NGC_178" title="NGC 178">178</a></li> <li><a href="/wiki/NGC_179" title="NGC 179">179</a></li> <li><a href="/wiki/NGC_187" title="NGC 187">187</a></li> <li><a href="/wiki/NGC_191" title="NGC 191">191</a></li> <li><a href="/wiki/NGC_192" title="NGC 192">192</a></li> <li><a href="/wiki/NGC_195" title="NGC 195">195</a></li> <li><a href="/wiki/NGC_196" title="NGC 196">196</a></li> <li><a href="/wiki/NGC_197" title="NGC 197">197</a></li> <li><a href="/wiki/NGC_201" title="NGC 201">201</a></li> <li><a href="/wiki/NGC_207" title="NGC 207">207</a></li> <li><a href="/wiki/NGC_209" title="NGC 209">209</a></li> <li><a href="/wiki/NGC_210" title="NGC 210">210</a></li> <li><a href="/wiki/NGC_216" title="NGC 216">216</a></li> <li><a href="/wiki/NGC_217" title="NGC 217">217</a></li> <li><a href="/wiki/NGC_219" title="NGC 219">219</a></li> <li><a href="/wiki/NGC_223" title="NGC 223">223</a></li> <li><a href="/wiki/NGC_227" title="NGC 227">227</a></li> <li><a href="/wiki/NGC_230" title="NGC 230">230</a></li> <li><a href="/wiki/NGC_232" title="NGC 232">232</a></li> <li><a href="/wiki/NGC_235" title="NGC 235">235</a></li> <li><a href="/wiki/NGC_237" title="NGC 237">237</a></li> <li><a href="/wiki/NGC_239" title="NGC 239">239</a></li> <li><a href="/wiki/NGC_244" title="NGC 244">244</a></li> <li><a href="/wiki/NGC_245" title="NGC 245">245</a></li> <li><a href="/wiki/NGC_247" title="NGC 247">247</a></li> <li><a href="/wiki/NGC_255" title="NGC 255">255</a></li> <li><a href="/wiki/NGC_259" title="NGC 259">259</a></li> <li><a href="/wiki/NGC_263" title="NGC 263">263</a></li> <li><a href="/wiki/NGC_268" title="NGC 268">268</a></li> <li><a href="/wiki/NGC_270" title="NGC 270">270</a></li> <li><a href="/wiki/NGC_271" title="NGC 271">271</a></li> <li><a href="/wiki/NGC_273" title="NGC 273">273</a></li> <li><a href="/wiki/NGC_274" title="NGC 274">274</a></li> <li><a href="/wiki/NGC_275" title="NGC 275">275</a></li> <li><a href="/wiki/NGC_276" title="NGC 276">276</a></li> <li><a href="/wiki/NGC_277" title="NGC 277">277</a></li> <li><a href="/wiki/NGC_279" title="NGC 279">279</a></li> <li><a href="/wiki/NGC_283" title="NGC 283">283</a></li> <li><a href="/wiki/NGC_284" title="NGC 284">284</a></li> <li><a href="/wiki/NGC_285" title="NGC 285">285</a></li> <li><a href="/wiki/NGC_286" title="NGC 286">286</a></li> <li><a href="/wiki/NGC_291" title="NGC 291">291</a></li> <li><a href="/wiki/NGC_293" title="NGC 293">293</a></li> <li><a href="/wiki/NGC_297" title="NGC 297">297</a></li> <li><a href="/wiki/NGC_298" title="NGC 298">298</a></li> <li><a href="/wiki/NGC_301" title="NGC 301">301</a></li> <li><a href="/wiki/NGC_303" title="NGC 303">303</a></li> <li><a href="/wiki/NGC_307" title="NGC 307">307</a></li> <li><a href="/wiki/NGC_309" title="NGC 309">309</a></li> <li><a href="/wiki/NGC_320" title="NGC 320">320</a></li> <li><a href="/wiki/NGC_321" title="NGC 321">321</a></li> <li><a href="/wiki/NGC_325" title="NGC 325">325</a></li> <li><a href="/wiki/NGC_327" title="NGC 327">327</a></li> <li><a href="/wiki/NGC_329" title="NGC 329">329</a></li> <li><a href="/wiki/NGC_331" title="NGC 331">331</a></li> <li><a href="/wiki/NGC_333" title="NGC 333">333</a></li> <li><a href="/wiki/NGC_335" title="NGC 335">335</a></li> <li><a href="/wiki/NGC_336" title="NGC 336">336</a></li> <li><a href="/wiki/NGC_337" title="NGC 337">337</a></li> <li><a href="/wiki/NGC_340" title="NGC 340">340</a></li> <li><a href="/wiki/NGC_341" title="NGC 341">341</a></li> <li><a href="/wiki/NGC_342" title="NGC 342">342</a></li> <li><a href="/wiki/NGC_343" title="NGC 343">343</a></li> <li><a href="/wiki/NGC_344" title="NGC 344">344</a></li> <li><a href="/wiki/NGC_345" title="NGC 345">345</a></li> <li><a href="/wiki/NGC_347" title="NGC 347">347</a></li> <li><a href="/wiki/NGC_349" title="NGC 349">349</a></li> <li><a href="/wiki/NGC_350" title="NGC 350">350</a></li> <li><a href="/wiki/NGC_351" title="NGC 351">351</a></li> <li><a href="/wiki/NGC_352" title="NGC 352">352</a></li> <li><a href="/wiki/NGC_353" title="NGC 353">353</a></li> <li><a href="/wiki/NGC_355" title="NGC 355">355</a></li> <li><a href="/wiki/NGC_356" title="NGC 356">356</a></li> <li><a href="/wiki/NGC_357" title="NGC 357">357</a></li> <li><a href="/wiki/NGC_359" title="NGC 359">359</a></li> <li><a href="/wiki/NGC_363" title="NGC 363">363</a></li> <li><a href="/wiki/NGC_364" title="NGC 364">364</a></li> <li><a href="/wiki/NGC_367" title="NGC 367">367</a></li> <li><a href="/wiki/NGC_369" title="NGC 369">369</a></li> <li><a href="/wiki/NGC_377" title="NGC 377">377</a></li> <li><a href="/wiki/NGC_391" title="NGC 391">391</a></li> <li><a href="/wiki/NGC_413" title="NGC 413">413</a></li> <li><a href="/wiki/NGC_417" title="NGC 417">417</a></li> <li><a href="/wiki/NGC_426" title="NGC 426">426</a></li> <li><a href="/wiki/NGC_428" title="NGC 428">428</a></li> <li><a href="/wiki/NGC_429" title="NGC 429">429</a></li> <li><a href="/wiki/NGC_430" title="NGC 430">430</a></li> <li><a href="/wiki/NGC_435" title="NGC 435">435</a></li> <li><a href="/wiki/NGC_442" title="NGC 442">442</a></li> <li><a href="/wiki/NGC_445" title="NGC 445">445</a></li> <li><a href="/wiki/NGC_448" title="NGC 448">448</a></li> <li><a href="/wiki/NGC_450" title="NGC 450">450</a></li> <li><a href="/wiki/NGC_478" title="NGC 478">478</a></li> <li><a href="/wiki/NGC_480" title="NGC 480">480</a></li> <li><a href="/wiki/NGC_481" title="NGC 481">481</a></li> <li><a href="/wiki/NGC_487" title="NGC 487">487</a></li> <li><a href="/wiki/NGC_493" title="NGC 493">493</a></li> <li><a href="/wiki/NGC_497" title="NGC 497">497</a></li> <li><a href="/wiki/NGC_519" title="NGC 519">519</a></li> <li><a href="/wiki/NGC_521" title="NGC 521">521</a></li> <li><a href="/wiki/NGC_533" title="NGC 533">533</a></li> <li><a href="/wiki/NGC_540" title="NGC 540">540</a></li> <li><a href="/wiki/NGC_541" title="NGC 541">541</a></li> <li><a href="/wiki/NGC_545" title="NGC 545">545</a></li> <li><a href="/wiki/NGC_547" title="NGC 547">547</a></li> <li><a href="/w/index.php?title=NGC_554&amp;action=edit&amp;redlink=1" class="new" title="NGC 554 (page does not exist)">554</a></li> <li><a href="/wiki/NGC_555" title="NGC 555">555</a></li> <li><a href="/wiki/NGC_560" title="NGC 560">560</a></li> <li><a href="/wiki/NGC_570" title="NGC 570">570</a></li> <li><a href="/wiki/NGC_584" title="NGC 584">584</a></li> <li><a href="/wiki/NGC_585" title="NGC 585">585</a></li> <li><a href="/wiki/NGC_596" title="NGC 596">596</a></li> <li><a href="/wiki/NGC_615" title="NGC 615">615</a></li> <li><a href="/wiki/NGC_622" title="NGC 622">622</a></li> <li><a href="/wiki/NGC_655" title="NGC 655">655</a></li> <li><a href="/wiki/NGC_681" title="NGC 681">681</a></li> <li><a href="/wiki/NGC_682" title="NGC 682">682</a></li> <li><a href="/wiki/NGC_690" title="NGC 690">690</a></li> <li><a href="/wiki/NGC_701" title="NGC 701">701</a></li> <li><a href="/wiki/NGC_720" title="NGC 720">720</a></li> <li><a href="/wiki/NGC_747" title="NGC 747">747</a></li> <li><a href="/wiki/NGC_755" title="NGC 755">755</a></li> <li><a href="/wiki/NGC_779" title="NGC 779">779</a></li> <li><a href="/wiki/NGC_800" title="NGC 800">800</a></li> <li><a href="/wiki/NGC_806" title="NGC 806">806</a></li> <li><a href="/wiki/NGC_833" title="NGC 833">833</a></li> <li><a href="/wiki/NGC_838" title="NGC 838">838</a></li> <li><a href="/wiki/NGC_864" title="NGC 864">864</a></li> <li><a href="/wiki/NGC_874" title="NGC 874">874</a></li> <li><a href="/wiki/NGC_880" title="NGC 880">880</a></li> <li><a href="/wiki/NGC_895" title="NGC 895">895</a></li> <li><a href="/wiki/NGC_908" title="NGC 908">908</a></li> <li><a href="/wiki/NGC_936" title="NGC 936">936</a></li> <li><a href="/wiki/NGC_945" title="NGC 945">945</a></li> <li><a href="/wiki/NGC_950" title="NGC 950">950</a></li> <li><a href="/wiki/NGC_960" title="NGC 960">960</a></li> <li><a href="/wiki/NGC_965" title="NGC 965">965</a></li> <li><a href="/wiki/NGC_966" title="NGC 966">966</a></li> <li><a href="/wiki/NGC_985" title="NGC 985">985</a></li> <li><a href="/wiki/NGC_988" title="NGC 988">988</a></li> <li><a href="/wiki/NGC_1009" title="NGC 1009">1009</a></li> <li><a href="/wiki/NGC_1015" title="NGC 1015">1015</a></li> <li><a href="/wiki/NGC_1019" title="NGC 1019">1019</a></li> <li><a href="/wiki/NGC_1022" title="NGC 1022">1022</a></li> <li><a href="/wiki/NGC_1032" title="NGC 1032">1032</a></li> <li><a href="/wiki/NGC_1042" title="NGC 1042">1042</a></li> <li><a href="/wiki/NGC_1052" title="NGC 1052">1052</a></li> <li><a href="/wiki/NGC_1055" title="NGC 1055">1055</a></li> <li><a href="/wiki/NGC_1073" title="NGC 1073">1073</a></li> <li><a href="/wiki/NGC_1087" title="NGC 1087">1087</a></li> <li><a href="/wiki/NGC_1090" title="NGC 1090">1090</a></li> <li><a href="/wiki/NGC_1128" title="NGC 1128">1128</a></li> <li><a href="/wiki/NGC_1142" title="NGC 1142">1142</a></li> <li><a href="/wiki/NGC_1218" title="NGC 1218">1218</a></li> <li><a href="/wiki/NGC_7808" title="NGC 7808">7808</a></li> <li><a href="/wiki/NGC_7828" title="NGC 7828">7828</a></li> <li><a href="/wiki/NGC_7829" title="NGC 7829">7829</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-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Arp_146" title="Arp 146">Arp 146</a></li> <li><a href="/wiki/Arp_147" title="Arp 147">Arp 147</a></li> <li><a href="/wiki/Arp_256" title="Arp 256">Arp 256</a></li> <li><a href="/wiki/3C_75" title="3C 75">3C 75</a></li> <li><a href="/wiki/Cetus_Dwarf" title="Cetus Dwarf">Cetus Dwarf</a></li> <li><a href="/wiki/HCM-6A" title="HCM-6A">HCM-6A</a></li> <li><a href="/wiki/HD1" title="HD1">HD2</a></li> <li><a href="/wiki/Holmberg_15A" title="Holmberg 15A">Holmberg 15A</a></li> <li><a href="/wiki/HXMM01" title="HXMM01">HXMM01</a></li> <li><a href="/wiki/IC_1613" title="IC 1613">IC 1613</a></li> <li><a href="/wiki/IC_1623" title="IC 1623">IC 1623</a></li> <li><a href="/wiki/IRAS_01003-2238" title="IRAS 01003-2238">IRAS 01003-2238</a></li> <li><a href="/wiki/Markarian_1014" title="Markarian 1014">Markarian 1014</a></li> <li><a href="/wiki/Markarian_1018" title="Markarian 1018">Markarian 1018</a></li> <li><a href="/wiki/MCG_-03-04-014" title="MCG -03-04-014">MCG -03-04-014</a></li> <li><a href="/wiki/PGC_2456" title="PGC 2456">PGC 2456</a></li> <li><a href="/wiki/SDSS_J0303-0019" title="SDSS J0303-0019">SDSS J0303-0019</a></li> <li><a href="/wiki/SXDF-NB1006-2" title="SXDF-NB1006-2">SXDF-NB1006-2</a></li> <li><a href="/wiki/9Spitch" class="mw-redirect" title="9Spitch">9Spitch</a></li> <li><a href="/wiki/TON_S180" title="TON S180">TON S180</a></li> <li><a href="/wiki/UGC_711" title="UGC 711">UGC 711</a></li> <li><a href="/wiki/UGC_1775" title="UGC 1775">UGC 1775</a></li> <li><a href="/wiki/Wolf%E2%80%93Lundmark%E2%80%93Melotte" title="Wolf–Lundmark–Melotte">Wolf–Lundmark–Melotte</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="Galaxy_clusters" scope="row" class="navbox-group" style="width:151px;background: #ddddff;"><a href="/wiki/Galaxy_cluster" title="Galaxy cluster">Galaxy 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/Abell_133" title="Abell 133">Abell 133</a></li> <li><a href="/wiki/Abell_222" title="Abell 222">Abell 222</a></li> <li><a href="/wiki/Abell_223" title="Abell 223">Abell 223</a></li> <li><a href="/wiki/Abell_370" title="Abell 370">Abell 370</a></li> <li><a href="/wiki/Abell_400" title="Abell 400">Abell 400</a></li> <li><a href="/wiki/Arp_251" title="Arp 251">Arp 251</a></li> <li><a href="/wiki/Gioiello_(galaxy_cluster)" title="Gioiello (galaxy cluster)">Gioiello</a></li> <li><a href="/wiki/IRC_0218" title="IRC 0218">IRC 0218</a></li> <li><a href="/wiki/JKCS_041" title="JKCS 041">JKCS 041</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_2005E" title="SN 2005E">SN 2005E</a></li> <li><a href="/wiki/SN_2005gj" title="SN 2005gj">SN 2005gj</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, //upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/31px-Symbol_category_class.svg.png 2x" data-file-width="180" data-file-height="185" /></span></span> <a href="/wiki/Category:Cetus" title="Category:Cetus">Category</a></div></td></tr></tbody></table></div> <!-- NewPP limit report Parsed by mw‐web.eqiad.canary‐687bc74f68‐sjs5v Cached time: 20241122192126 Cache expiry: 2592000 Reduced expiry: false Complications: [vary‐revision‐sha1] CPU time usage: 0.425 seconds Real time usage: 0.651 seconds Preprocessor visited node count: 2362/1000000 Post‐expand include size: 115159/2097152 bytes Template argument size: 21484/2097152 bytes Highest expansion depth: 15/100 Expensive parser function count: 5/500 Unstrip recursion depth: 1/20 Unstrip post‐expand size: 40708/5000000 bytes Lua time usage: 0.215/10.000 seconds Lua memory usage: 7536505/52428800 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Rendering was triggered because: page-view --> </div><!--esi <esi:include src="/esitest-fa8a495983347898/content" /> --><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Retrieved from "<a dir="ltr" href="https://en.wikipedia.org/w/index.php?title=Phi4_Ceti&amp;oldid=1241769858">https://en.wikipedia.org/w/index.php?title=Phi4_Ceti&amp;oldid=1241769858</a>"</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Help:Category" title="Help:Category">Categories</a>: <ul><li><a href="/wiki/Category:G-type_giants" title="Category:G-type giants">G-type giants</a></li><li><a href="/wiki/Category:Horizontal-branch_stars" title="Category:Horizontal-branch stars">Horizontal-branch stars</a></li><li><a href="/wiki/Category:Cetus" title="Category:Cetus">Cetus</a></li><li><a href="/wiki/Category:Bayer_objects" title="Category:Bayer objects">Bayer objects</a></li><li><a href="/wiki/Category:Durchmusterung_objects" title="Category:Durchmusterung objects">Durchmusterung objects</a></li><li><a href="/wiki/Category:Flamsteed_objects" title="Category:Flamsteed objects">Flamsteed objects</a></li><li><a href="/wiki/Category:Henry_Draper_Catalogue_objects" title="Category:Henry Draper Catalogue objects">Henry Draper Catalogue objects</a></li><li><a href="/wiki/Category:Hipparcos_objects" title="Category:Hipparcos objects">Hipparcos objects</a></li><li><a href="/wiki/Category:Bright_Star_Catalogue_objects" title="Category:Bright Star Catalogue objects">Bright Star Catalogue objects</a></li></ul></div><div id="mw-hidden-catlinks" class="mw-hidden-catlinks mw-hidden-cats-hidden">Hidden categories: <ul><li><a href="/wiki/Category:Articles_with_short_description" title="Category:Articles with short description">Articles with short description</a></li><li><a href="/wiki/Category:Short_description_matches_Wikidata" title="Category:Short description matches Wikidata">Short description matches Wikidata</a></li></ul></div></div> </div> </main> </div> <div class="mw-footer-container"> <footer id="footer" class="mw-footer" > <ul id="footer-info"> <li id="footer-info-lastmod"> This page was last edited on 23 August 2024, at 01:31<span class="anonymous-show">&#160;(UTC)</span>.</li> <li id="footer-info-copyright">Text is available under the <a href="/wiki/Wikipedia:Text_of_the_Creative_Commons_Attribution-ShareAlike_4.0_International_License" title="Wikipedia:Text of the Creative Commons Attribution-ShareAlike 4.0 International License">Creative Commons Attribution-ShareAlike 4.0 License</a>; additional terms may apply. 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