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class="vector-appearance vector-pinnable-element"> <div class="vector-pinnable-header vector-appearance-pinnable-header vector-pinnable-header-pinned" data-feature-name="appearance-pinned" data-pinnable-element-id="vector-appearance" data-pinned-container-id="vector-appearance-pinned-container" data-unpinned-container-id="vector-appearance-unpinned-container" > <div class="vector-pinnable-header-label">Appearance</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">move to sidebar</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">hide</button> </div> </div> </div> </nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">From Wikipedia, the free encyclopedia</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"><div class="shortdescription nomobile noexcerpt noprint searchaux" style="display:none">Binary system in Centaurus</div> <table class="infobox" style="width: 22em; font-size: 88%; line-height: 1.5em"> <caption style="font-size: 125%; font-weight: bold">Gaia BH2 </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"><a href="/wiki/File:Gaia_BH2_decaps_dr2.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/8/8b/Gaia_BH2_decaps_dr2.jpg/250px-Gaia_BH2_decaps_dr2.jpg" decoding="async" width="250" height="250" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/8b/Gaia_BH2_decaps_dr2.jpg/375px-Gaia_BH2_decaps_dr2.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/8b/Gaia_BH2_decaps_dr2.jpg/500px-Gaia_BH2_decaps_dr2.jpg 2x" data-file-width="533" data-file-height="533" /></a></span><br /><a href="/wiki/Dark_Energy_Survey#Other_surveys_using_DECam" title="Dark Energy Survey">DECaPS</a> image of Gaia BH2 (star at the center)</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" class="mw-redirect" title="J2000">J2000</a>      <a href="/wiki/Equinox_(celestial_coordinates)" title="Equinox (celestial coordinates)">Equinox</a> <a href="/wiki/J2000" class="mw-redirect" title="J2000">J2000</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/Centaurus" title="Centaurus">Centaurus</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">13<sup>h</sup> 50<sup>m</sup> 16.748<sup>s</sup></span><sup id="cite_ref-GaiaDR3_1-0" class="reference"><a href="#cite_note-GaiaDR3-1"><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>−59° 14′ 20.33″<sup id="cite_ref-GaiaDR3_1-1" class="reference"><a href="#cite_note-GaiaDR3-1"><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>12.711<sup id="cite_ref-ucac4_2-0" class="reference"><a href="#cite_note-ucac4-2"><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">Characteristics </th></tr> <tr> <th style="text-align:center" colspan="2">Red giant </th></tr> <tr style="vertical-align:top"> <th style="text-align:left"><a href="/wiki/Stellar_evolution" title="Stellar evolution">Evolutionary stage</a> </th> <td><a href="/wiki/Red_giant" title="Red giant">Red giant</a> </td></tr> <tr style="vertical-align:top"> <th style="text-align:center" colspan="2">Black hole </th></tr> <tr style="vertical-align:top"> <th style="text-align:left"><a href="/wiki/Stellar_evolution" title="Stellar evolution">Evolutionary stage</a> </th> <td><a href="/wiki/Stellar_black_hole" title="Stellar black hole">Stellar black hole</a> </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="2999496000000000000♠"></span>−5.04<span style="margin-left:0.3em;margin-right:0.15em;">±</span>2.08</span><sup id="cite_ref-GaiaDR3_1-2" class="reference"><a href="#cite_note-GaiaDR3-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> 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> <span class="nowrap"><span data-sort-value="2998895200000000000♠"></span>−10.48<span style="margin-left:0.3em;margin-right:0.15em;">±</span>0.1</span> <a href="/wiki/Milliarcsecond" class="mw-redirect" title="Milliarcsecond">mas</a>/<a href="/wiki/Year" title="Year">yr</a><sup id="cite_ref-elbadry_3-0" class="reference"><a href="#cite_note-elbadry-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> <br /> <abbr title="Declination">Dec.:</abbr> <span class="nowrap"><span data-sort-value="2999538999999999999♠"></span>−4.61<span style="margin-left:0.3em;margin-right:0.15em;">±</span>0.06</span> <a href="/wiki/Milliarcsecond" class="mw-redirect" title="Milliarcsecond">mas</a>/<a href="/wiki/Year" title="Year">yr</a><sup id="cite_ref-elbadry_3-0" class="reference"><a href="#cite_note-elbadry-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> </td></tr><tr style="vertical-align:top;"><td><b><a href="/wiki/Stellar_parallax" title="Stellar parallax">Parallax</a> (π)</b></td><td>0.859 ± 0.018 <a href="/wiki/Milliarcsecond" class="mw-redirect" title="Milliarcsecond">mas</a><sup id="cite_ref-elbadry_3-1" class="reference"><a href="#cite_note-elbadry-3"><span class="cite-bracket">[</span>3<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>3,800 ± 80 <a href="/wiki/Light-year" title="Light-year">ly</a> <br />(1,160 ± 20 <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"><a href="/wiki/Orbit" title="Orbit">Orbit</a><sup id="cite_ref-elbadry_3-2" class="reference"><a href="#cite_note-elbadry-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup></th></tr><tr style="vertical-align:baseline;"><td><b><a href="/wiki/Orbital_period" title="Orbital period">Period</a> (P)</b></td><td><span class="nowrap"><span data-sort-value="7008110306880000000♠"></span>1,276.7<span style="margin-left:0.3em;margin-right:0.15em;">±</span>0.6 <a href="/wiki/Day" title="Day">d</a></span></td></tr><tr style="vertical-align:baseline;"><td><span class="nowrap"><b><a href="/wiki/Semi-major_axis" class="mw-redirect" title="Semi-major axis">Semi-major axis</a> (a)</b></span></td><td><span class="nowrap"><span data-sort-value="7011742005438672000♠"></span>4.96<span style="margin-left:0.3em;margin-right:0.15em;">±</span>0.08 <a href="/wiki/Astronomical_unit" title="Astronomical unit">AU</a></span></td></tr><tr style="vertical-align:baseline;"><td><b><a href="/wiki/Eccentricity_(orbit)" class="mw-redirect" title="Eccentricity (orbit)">Eccentricity</a> (e)</b></td><td><span class="nowrap"><span data-sort-value="6999517599999999999♠"></span>0.5176<span style="margin-left:0.3em;margin-right:0.15em;">±</span>0.0009</span></td></tr><tr style="vertical-align:baseline;"><td><b><a href="/wiki/Inclination" class="mw-redirect" title="Inclination">Inclination</a> (i)</b></td><td><span class="nowrap"><span data-sort-value="7001348700000000000♠"></span>34.87<span style="margin-left:0.3em;margin-right:0.15em;">±</span>0.34</span>°</td></tr><tr style="vertical-align:baseline;"><td><span class="nowrap"><b><a href="/wiki/Longitude_of_the_node" class="mw-redirect" title="Longitude of the node">Longitude of the node</a> (Ω)</b></span></td><td><span class="nowrap"><span data-sort-value="7002266899999999999♠"></span>266.9<span style="margin-left:0.3em;margin-right:0.15em;">±</span>0.5</span>°</td></tr><tr style="vertical-align:baseline;"><td><span class="nowrap"><b><a href="/wiki/Periastron" class="mw-redirect" title="Periastron">Periastron</a> <a href="/wiki/Epoch_(astronomy)" title="Epoch (astronomy)">epoch</a> (T)</b></span></td><td><span class="nowrap"><span data-sort-value="7006245743829999999♠"></span>2<span style="margin-left:.25em;">457</span><span style="margin-left:.25em;">438</span>.3<span style="margin-left:0.3em;margin-right:0.15em;">±</span>1.4</span></td></tr><tr style="vertical-align:baseline;"><td><span class="nowrap"><b><a href="/wiki/Argument_of_periastron" class="mw-redirect" title="Argument of periastron">Argument of periastron</a> (ω)</b></span><br />(secondary)</td><td><span class="nowrap"><span data-sort-value="7002130900000000000♠"></span>130.9<span style="margin-left:0.3em;margin-right:0.15em;">±</span>0.4</span>°</td></tr><tr style="vertical-align:baseline;"><td><b><a href="/wiki/Semi-amplitude" class="mw-redirect" title="Semi-amplitude">Semi-amplitude</a></b> (K<sub>1</sub>)<br />(primary)</td><td><span class="nowrap"><span data-sort-value="7001252300000000000♠"></span>25.23<span style="margin-left:0.3em;margin-right:0.15em;">±</span>0.04</span> km/s</td></tr> <tr><th style="background-color: #FFFFC0; text-align: center;" colspan="2">Details<sup id="cite_ref-elbadry_3-3" class="reference"><a href="#cite_note-elbadry-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup></th></tr><tr><th colspan="2" style="text-align: center">Red giant</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="7000107000000000000♠"></span>1.07<span style="margin-left:0.3em;margin-right:0.15em;">±</span>0.19</span> <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><span class="nowrap"><span data-sort-value="7000777000000000000♠"></span>7.77<span style="margin-left:0.3em;margin-right:0.15em;">±</span>0.25</span> <a href="/wiki/Solar_radius" title="Solar radius"><var>R</var><sub>☉</sub></a></td></tr><tr style="vertical-align:baseline;"><td><b>Luminosity (bolometric)</b></td><td><span class="nowrap"><span data-sort-value="7001246000000000000♠"></span>24.6<span style="margin-left:0.3em;margin-right:0.15em;">±</span>1.6</span> <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/Surface_gravity" title="Surface gravity">Surface gravity</a> (log <i>g</i>)</b></td><td><span class="nowrap"><span data-sort-value="7000271000000000000♠"></span>2.71<span style="margin-left:0.3em;margin-right:0.15em;">±</span>0.24</span> <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="7003460400000000000♠"></span>4,604<span style="margin-left:0.3em;margin-right:0.15em;">±</span>87</span> <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="3000780000000000000♠"></span>−0.22<span style="margin-left:0.3em;margin-right:0.15em;">±</span>0.02</span> <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> sin <i>i</i>)</b></td><td><1.5 km/s</td></tr><tr><th colspan="2" style="text-align: center">Black hole</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="7000894000000000000♠"></span>8.94<span style="margin-left:0.3em;margin-right:0.15em;">±</span>0.34</span> <a href="/wiki/Solar_mass" title="Solar mass"><var>M</var><sub>☉</sub></a></td></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;"> Gaia BH2, <a href="/wiki/UCAC4" class="mw-redirect" title="UCAC4">UCAC4</a> 154-126202, <a href="/wiki/2MASS" title="2MASS">2MASS</a> J13501675-5914203, <a href="/wiki/Gaia_DR3" class="mw-redirect" title="Gaia DR3">Gaia DR3</a> 5870569352746779008 </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=UCAC4+154-126202">data</a></td></tr> </tbody></table> <p><b>Gaia BH2</b> (Gaia DR3 5870569352746779008) is a <a href="/wiki/Binary_system" title="Binary system">binary system</a> consisting of a <a href="/wiki/Red_giant" title="Red giant">red giant</a> and what is very likely a <a href="/wiki/Stellar-mass_black_hole" class="mw-redirect" title="Stellar-mass black hole">stellar-mass black hole</a>. Gaia BH2 is located about 3,800 <a href="/wiki/Light_year" class="mw-redirect" title="Light year">light years</a> away (<span class="nowrap"><span data-sort-value="7019357938599450194♠"></span>1.16 <a href="/wiki/Parsec#Parsecs_and_kiloparsecs" title="Parsec">kpc</a></span> away) in the constellation of <a href="/wiki/Centaurus" title="Centaurus">Centaurus</a>, making it as of 2024<sup class="plainlinks noexcerpt noprint asof-tag update" style="display:none;"><a class="external text" href="https://en.wikipedia.org/w/index.php?title=Gaia_BH2&action=edit">[update]</a></sup> the <a href="/wiki/List_of_nearest_known_black_holes" title="List of nearest known black holes">third-closest known</a> black hole system to Earth. Gaia BH2 is the second black hole discovered from <a href="/wiki/Gaia_DR3" class="mw-redirect" title="Gaia DR3">Gaia DR3</a> astrometric data.<sup id="cite_ref-elbadry_3-4" class="reference"><a href="#cite_note-elbadry-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> </p><p>The black hole and red giant orbit the system <a href="/wiki/Barycentre" class="mw-redirect" title="Barycentre">barycentre</a> every 1,277 days, or around 3.5 years, with a moderate eccentricity of 0.518. The black hole's mass is around 8.94 <a href="/wiki/Solar_mass" title="Solar mass"><var>M</var><sub>☉</sub></a>, which means its <a href="/wiki/Schwarzschild_radius" title="Schwarzschild radius">Schwarzschild radius</a> should be about 26.4 km (16.4 mi). The red giant has a mass of 1.07 <a href="/wiki/Solar_mass" title="Solar mass"><var>M</var><sub>☉</sub></a> and a radius of 7.77 <a href="/wiki/Solar_radius" title="Solar radius"><var>R</var><sub>☉</sub></a>. Its temperature is estimated at 4,604 <a href="/wiki/Kelvin" title="Kelvin">K</a> (4,331 <a href="/wiki/Celsius" title="Celsius">°C</a>; 7,828 <a href="/wiki/Fahrenheit" title="Fahrenheit">°F</a>).<sup id="cite_ref-elbadry_3-5" class="reference"><a href="#cite_note-elbadry-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Discovery">Discovery</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Gaia_BH2&action=edit&section=1" title="Edit section: Discovery"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Gaia BH2 was originally discovered as a black hole binary candidate in 2022, found via <a href="/wiki/Astrometry" title="Astrometry">astrometric</a> observations with <a href="/wiki/Gaia_(spacecraft)" title="Gaia (spacecraft)">Gaia</a>, along with <a href="/wiki/Gaia_BH1" title="Gaia BH1">Gaia BH1</a>. At that time it was not clear if Gaia BH2 did definitely harbour a black hole, but it was the only plausible candidate in the Gaia data other than Gaia BH1.<sup id="cite_ref-eb2023_4-0" class="reference"><a href="#cite_note-eb2023-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-Tanikawa2022_5-0" class="reference"><a href="#cite_note-Tanikawa2022-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> Later radial velocity observations confirmed this black hole system and refined its orbital parameters.<sup id="cite_ref-elbadry_3-6" class="reference"><a href="#cite_note-elbadry-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</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=Gaia_BH2&action=edit&section=2" 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-GaiaDR3-1"><span class="mw-cite-backlink">^ <a href="#cite_ref-GaiaDR3_1-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-GaiaDR3_1-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-GaiaDR3_1-2"><sup><i><b>c</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.; et al. (Gaia collaboration) (2023). <a rel="nofollow" class="external text" href="https://doi.org/10.1051%2F0004-6361%2F202243940">"<i>Gaia</i> Data Release 3. 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%3AGaia+BH2" class="Z3988"></span>  <a rel="nofollow" class="external text" href="https://vizier.u-strasbg.fr/viz-bin/VizieR-S?Gaia%20DR3%205870569352746779008">Gaia DR3 record for this source</a> at <a href="/wiki/VizieR" title="VizieR">VizieR</a>.</span> </li> <li id="cite_note-ucac4-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-ucac4_2-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFZachariasFinchGirardHenden2012" class="citation journal cs1">Zacharias, N.; Finch, C. T.; Girard, T. M.; Henden, A.; Bartlett, J. L.; Monet, D. G.; Zacharias, M. I. (2012-07-01). "VizieR Online Data Catalog: UCAC4 Catalogue (Zacharias+, 2012)". <i>VizieR Online Data Catalog</i>: I/322A. <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/2012yCat.1322....0Z">2012yCat.1322....0Z</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=VizieR+Online+Data+Catalog&rft.atitle=VizieR+Online+Data+Catalog%3A+UCAC4+Catalogue+%28Zacharias%2B%2C+2012%29&rft.pages=I%2F322A&rft.date=2012-07-01&rft_id=info%3Abibcode%2F2012yCat.1322....0Z&rft.aulast=Zacharias&rft.aufirst=N.&rft.au=Finch%2C+C.+T.&rft.au=Girard%2C+T.+M.&rft.au=Henden%2C+A.&rft.au=Bartlett%2C+J.+L.&rft.au=Monet%2C+D.+G.&rft.au=Zacharias%2C+M.+I.&rfr_id=info%3Asid%2Fen.wikipedia.org%3AGaia+BH2" class="Z3988"></span></span> </li> <li id="cite_note-elbadry-3"><span class="mw-cite-backlink">^ <a href="#cite_ref-elbadry_3-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-elbadry_3-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-elbadry_3-2"><sup><i><b>c</b></i></sup></a> <a href="#cite_ref-elbadry_3-3"><sup><i><b>d</b></i></sup></a> <a href="#cite_ref-elbadry_3-4"><sup><i><b>e</b></i></sup></a> <a href="#cite_ref-elbadry_3-5"><sup><i><b>f</b></i></sup></a> <a href="#cite_ref-elbadry_3-6"><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="CITEREFEl-BadryRixCendesRodriguez2023" class="citation journal cs1">El-Badry, Kareem; Rix, Hans-Walter; Cendes, Yvette; Rodriguez, Antonio C.; Conroy, Charlie; Quataert, Eliot; Hawkins, Keith; Zari, Eleonora; Hobson, Melissa; Breivik, Katelyn; Rau, Arne; Berger, Edo; Shahaf, Sahar; Seeburger, Rhys; Burdge, Kevin B. (2023-02-01). <a rel="nofollow" class="external text" href="https://doi.org/10.1093%2Fmnras%2Fstad799">"A red giant orbiting a black hole"</a>. <i><a href="/wiki/Monthly_Notices_of_the_Royal_Astronomical_Society" title="Monthly Notices of the Royal Astronomical Society">Monthly Notices of the Royal Astronomical Society</a></i>. <b>521</b> (3): 4323–4348. <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/2302.07880">2302.07880</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/2023MNRAS.521.4323E">2023MNRAS.521.4323E</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/10.1093%2Fmnras%2Fstad799">10.1093/mnras/stad799</a></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Monthly+Notices+of+the+Royal+Astronomical+Society&rft.atitle=A+red+giant+orbiting+a+black+hole&rft.volume=521&rft.issue=3&rft.pages=4323-4348&rft.date=2023-02-01&rft_id=info%3Aarxiv%2F2302.07880&rft_id=info%3Adoi%2F10.1093%2Fmnras%2Fstad799&rft_id=info%3Abibcode%2F2023MNRAS.521.4323E&rft.aulast=El-Badry&rft.aufirst=Kareem&rft.au=Rix%2C+Hans-Walter&rft.au=Cendes%2C+Yvette&rft.au=Rodriguez%2C+Antonio+C.&rft.au=Conroy%2C+Charlie&rft.au=Quataert%2C+Eliot&rft.au=Hawkins%2C+Keith&rft.au=Zari%2C+Eleonora&rft.au=Hobson%2C+Melissa&rft.au=Breivik%2C+Katelyn&rft.au=Rau%2C+Arne&rft.au=Berger%2C+Edo&rft.au=Shahaf%2C+Sahar&rft.au=Seeburger%2C+Rhys&rft.au=Burdge%2C+Kevin+B.&rft_id=https%3A%2F%2Fdoi.org%2F10.1093%252Fmnras%252Fstad799&rfr_id=info%3Asid%2Fen.wikipedia.org%3AGaia+BH2" class="Z3988"></span></span> </li> <li id="cite_note-eb2023-4"><span class="mw-cite-backlink"><b><a href="#cite_ref-eb2023_4-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFEl-BadryRixQuataertHoward2023" class="citation journal cs1">El-Badry, Kareem; Rix, Hans-Walter; Quataert, Eliot; Howard, Andrew W.; Isaacson, Howard; Fuller, Jim; Hawkins, Keith; Breivik, Katelyn; Wong, Kaze W. K.; Rodriguez, Antonio C.; Conroy, Charlie; Shahaf, Sahar; Mazeh, Tsevi; Arenou, Frédéric; Burdge, Kevin B. (2023-01-01). <a rel="nofollow" class="external text" href="https://doi.org/10.1093%2Fmnras%2Fstac3140">"A Sun-like star orbiting a black hole"</a>. <i>Monthly Notices of the Royal Astronomical Society</i>. <b>518</b> (1): 1057–1085. <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/2209.06833">2209.06833</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/2023MNRAS.518.1057E">2023MNRAS.518.1057E</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/10.1093%2Fmnras%2Fstac3140">10.1093/mnras/stac3140</a></span>. <a href="/wiki/ISSN_(identifier)" class="mw-redirect" title="ISSN (identifier)">ISSN</a> <a rel="nofollow" class="external text" href="https://search.worldcat.org/issn/0035-8711">0035-8711</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Monthly+Notices+of+the+Royal+Astronomical+Society&rft.atitle=A+Sun-like+star+orbiting+a+black+hole&rft.volume=518&rft.issue=1&rft.pages=1057-1085&rft.date=2023-01-01&rft_id=info%3Aarxiv%2F2209.06833&rft.issn=0035-8711&rft_id=info%3Adoi%2F10.1093%2Fmnras%2Fstac3140&rft_id=info%3Abibcode%2F2023MNRAS.518.1057E&rft.aulast=El-Badry&rft.aufirst=Kareem&rft.au=Rix%2C+Hans-Walter&rft.au=Quataert%2C+Eliot&rft.au=Howard%2C+Andrew+W.&rft.au=Isaacson%2C+Howard&rft.au=Fuller%2C+Jim&rft.au=Hawkins%2C+Keith&rft.au=Breivik%2C+Katelyn&rft.au=Wong%2C+Kaze+W.+K.&rft.au=Rodriguez%2C+Antonio+C.&rft.au=Conroy%2C+Charlie&rft.au=Shahaf%2C+Sahar&rft.au=Mazeh%2C+Tsevi&rft.au=Arenou%2C+Fr%C3%A9d%C3%A9ric&rft.au=Burdge%2C+Kevin+B.&rft_id=https%3A%2F%2Fdoi.org%2F10.1093%252Fmnras%252Fstac3140&rfr_id=info%3Asid%2Fen.wikipedia.org%3AGaia+BH2" class="Z3988"></span></span> </li> <li id="cite_note-Tanikawa2022-5"><span class="mw-cite-backlink"><b><a href="#cite_ref-Tanikawa2022_5-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFTanikawaHattoriKawanakaKinugawa2022" class="citation journal cs1">Tanikawa, Ataru; Hattori, Kohei; et al. (September 2022). <a rel="nofollow" class="external text" href="https://doi.org/10.3847%2F1538-4357%2Facbf36">"Search for a Black Hole Binary in Gaia DR3 Astrometric Binary Stars with Spectroscopic Data"</a>. <i><a href="/wiki/The_Astrophysical_Journal" title="The Astrophysical Journal">The Astrophysical Journal</a></i>. <b>946</b> (2): 79. <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/2209.05632">2209.05632</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/2023ApJ...946...79T">2023ApJ...946...79T</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/10.3847%2F1538-4357%2Facbf36">10.3847/1538-4357/acbf36</a></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=The+Astrophysical+Journal&rft.atitle=Search+for+a+Black+Hole+Binary+in+Gaia+DR3+Astrometric+Binary+Stars+with+Spectroscopic+Data&rft.volume=946&rft.issue=2&rft.pages=79&rft.date=2022-09&rft_id=info%3Aarxiv%2F2209.05632&rft_id=info%3Adoi%2F10.3847%2F1538-4357%2Facbf36&rft_id=info%3Abibcode%2F2023ApJ...946...79T&rft.aulast=Tanikawa&rft.aufirst=Ataru&rft.au=Hattori%2C+Kohei&rft.au=Kawanaka%2C+Norita&rft.au=Kinugawa%2C+Tomoya&rft.au=Shikauchi%2C+Minori&rft.au=Tsuna%2C+Daichi&rft_id=https%3A%2F%2Fdoi.org%2F10.3847%252F1538-4357%252Facbf36&rfr_id=info%3Asid%2Fen.wikipedia.org%3AGaia+BH2" class="Z3988"></span></span> </li> </ol></div></div> <div class="navbox-styles"><style data-mw-deduplicate="TemplateStyles:r1129693374">.mw-parser-output .hlist dl,.mw-parser-output .hlist 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.hlist td ol,.mw-parser-output .navbox .hlist td ul,.mw-parser-output .navbox td.hlist dl,.mw-parser-output .navbox td.hlist ol,.mw-parser-output .navbox td.hlist ul{padding:0.125em 0}.mw-parser-output .navbox .navbar{display:block;font-size:100%}.mw-parser-output .navbox-title .navbar{float:left;text-align:left;margin-right:0.5em}body.skin--responsive .mw-parser-output .navbox-image img{max-width:none!important}@media print{body.ns-0 .mw-parser-output .navbox{display:none!important}}</style></div><div role="navigation" class="navbox" aria-labelledby="Constellation_of_Centaurus" style="padding:3px"><table class="nowraplinks hlist mw-collapsible autocollapse navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2" style="text-align: center;"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><style data-mw-deduplicate="TemplateStyles:r1239400231">.mw-parser-output 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abbr{color:var(--color-base)!important}}@media print{.mw-parser-output .navbar{display:none!important}}</style><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Centaurus" title="Template:Centaurus"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Centaurus" title="Template talk:Centaurus"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Centaurus" title="Special:EditPage/Template:Centaurus"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Constellation_of_Centaurus" style="font-size:114%;margin:0 4em"><a href="/wiki/Centaurus_(constellation)" class="mw-redirect" title="Centaurus (constellation)">Constellation of Centaurus</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_Centaurus" title="List of stars in Centaurus">List of stars in Centaurus</a></li> <li><a href="/wiki/Centaurus_in_Chinese_astronomy" title="Centaurus in Chinese astronomy">Centaurus 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_Centauri" title="Alpha Centauri">α</a> <ul><li><a href="/wiki/Alpha_Centauri_A" class="mw-redirect" title="Alpha Centauri A">A (Rigil Kentaurus)</a></li> <li><a href="/wiki/Alpha_Centauri_B" class="mw-redirect" title="Alpha Centauri B">B (Toliman)</a></li> <li><a href="/wiki/Proxima_Centauri" title="Proxima Centauri">C (Proxima Centauri)</a></li></ul></li> <li><a href="/wiki/Beta_Centauri" title="Beta Centauri">β (Hadar)</a></li> <li><a href="/wiki/Gamma_Centauri" title="Gamma Centauri">γ (Muhlifain)</a></li> <li><a href="/wiki/Delta_Centauri" title="Delta Centauri">δ</a></li> <li><a href="/wiki/Epsilon_Centauri" title="Epsilon Centauri">ε</a></li> <li><a href="/wiki/Zeta_Centauri" title="Zeta Centauri">ζ (Alnair)</a></li> <li><a href="/wiki/Eta_Centauri" title="Eta Centauri">η</a></li> <li><a href="/wiki/Theta_Centauri" title="Theta Centauri">θ (Menkent)</a></li> <li><a href="/wiki/Iota_Centauri" title="Iota Centauri">ι</a></li> <li><a href="/wiki/Kappa_Centauri" title="Kappa Centauri">κ</a></li> <li><a href="/wiki/Lambda_Centauri" title="Lambda Centauri">λ</a></li> <li><a href="/wiki/Mu_Centauri" title="Mu Centauri">μ</a></li> <li><a href="/wiki/Nu_Centauri" title="Nu Centauri">ν</a></li> <li><a href="/wiki/Xi1_Centauri" title="Xi1 Centauri">ξ<sup>1</sup></a></li> <li><a href="/wiki/Xi2_Centauri" title="Xi2 Centauri">ξ<sup>2</sup></a></li> <li><a href="/wiki/Omicron1_Centauri" title="Omicron1 Centauri">ο<sup>1</sup></a></li> <li><a href="/wiki/Omicron2_Centauri" title="Omicron2 Centauri">ο<sup>2</sup></a></li> <li><a href="/wiki/Pi_Centauri" title="Pi Centauri">π</a></li> <li><a href="/wiki/Rho_Centauri" title="Rho Centauri">ρ</a></li> <li><a href="/wiki/Sigma_Centauri" title="Sigma Centauri">σ</a></li> <li><a href="/wiki/Tau_Centauri" title="Tau Centauri">τ</a></li> <li><a href="/wiki/Upsilon1_Centauri" title="Upsilon1 Centauri">υ<sup>1</sup></a></li> <li><a href="/wiki/Upsilon2_Centauri" title="Upsilon2 Centauri">υ<sup>2</sup></a></li> <li><a href="/wiki/Phi_Centauri" title="Phi Centauri">φ</a></li> <li><a href="/wiki/Chi_Centauri" title="Chi Centauri">χ</a></li> <li><a href="/wiki/Psi_Centauri" title="Psi Centauri">ψ</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_Centauri" title="1 Centauri">1 (i)</a></li> <li><a href="/wiki/2_Centauri" title="2 Centauri">2 (g)</a></li> <li><a href="/wiki/3_Centauri" title="3 Centauri">3 (k)</a></li> <li><a href="/wiki/4_Centauri" title="4 Centauri">4 (h)</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_Centauri" title="R Centauri">R</a></li> <li><a href="/wiki/T_Centauri" title="T Centauri">T</a></li> <li><a href="/wiki/U_Centauri" title="U Centauri">U</a></li> <li><a href="/wiki/V_Centauri" title="V Centauri">V</a></li> <li><a href="/wiki/Y_Centauri" title="Y Centauri">Y</a></li> <li><a href="/wiki/RR_Centauri" title="RR Centauri">RR</a></li> <li><a href="/wiki/SV_Centauri" title="SV Centauri">SV</a></li> <li><a href="/wiki/SX_Centauri" title="SX Centauri">SX</a></li> <li><a href="/wiki/BV_Centauri" title="BV Centauri">BV</a></li> <li><a href="/wiki/DY_Centauri" title="DY Centauri">DY</a></li> <li><a href="/wiki/UY_Centauri" title="UY Centauri">UY</a></li> <li><a href="/wiki/V346_Centauri" title="V346 Centauri">V346</a></li> <li><a href="/wiki/V744_Centauri" title="V744 Centauri">V744</a></li> <li><a href="/wiki/V752_Centauri" title="V752 Centauri">V752</a></li> <li><a href="/wiki/HD_125823" title="HD 125823">V761 (a)</a></li> <li><a href="/wiki/V763_Centauri" title="V763 Centauri">V763 (C<sup>1</sup>)</a></li> <li><a href="/wiki/HR_5171" title="HR 5171">V766</a></li> <li><a href="/wiki/Centaurus_X-3" title="Centaurus X-3">V779</a></li> <li><a href="/wiki/V803_Centauri" title="V803 Centauri">V803</a></li> <li><a href="/wiki/V810_Centauri" title="V810 Centauri">V810</a></li> <li><a href="/wiki/Przybylski%27s_Star" title="Przybylski's Star">V816 (Przybylski's Star)</a></li> <li><a href="/wiki/V831_Centauri" title="V831 Centauri">V831</a></li> <li><a href="/wiki/V842_Centauri" title="V842 Centauri">V842</a></li> <li><a href="/wiki/HD_101584" title="HD 101584">V885</a></li> <li><a href="/wiki/BPM_37093" title="BPM 37093">V886</a></li> <li><a href="/wiki/HD_105382" title="HD 105382">V863</a></li> <li><a href="/wiki/H_Centauri" title="H Centauri">V945 (H)</a></li> <li><a href="/wiki/PDS_70" title="PDS 70">V1032</a></li> <li><a href="/wiki/V1369_Centauri" title="V1369 Centauri">V1369</a></li> <li><a href="/wiki/V1400_Centauri" title="V1400 Centauri">V1400</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_100673" title="HD 100673">4460 (A)</a></li> <li><a href="/wiki/HD_100825" title="HD 100825">4466 (C<sup>2</sup>)</a></li> <li><a href="/wiki/C3_Centauri" title="C3 Centauri">4476 (C<sup>3</sup>)</a></li> <li><a href="/wiki/HD_101570" title="HD 101570">4499</a></li> <li><a href="/wiki/HD_102350" title="HD 102350">4522</a></li> <li><a href="/wiki/HD_102365" title="HD 102365">4523</a></li> <li><a href="/wiki/HD_102776" title="HD 102776">4537 (j)</a></li> <li><a href="/wiki/HD_102964" title="HD 102964">4546 (B)</a></li> <li><a href="/wiki/E_Centauri" title="E Centauri">4620 (E)</a></li> <li><a href="/wiki/D_Centauri" title="D Centauri">4652 (D)</a></li> <li><a href="/wiki/F_Centauri" title="F Centauri">4682 (F)</a></li> <li><a href="/wiki/X1_Centauri" title="X1 Centauri">4712 (x<sup>1</sup>)</a></li> <li><a href="/wiki/HD_108063" title="HD 108063">4721</a></li> <li><a href="/wiki/X2_Centauri" title="X2 Centauri">4724 (x<sup>2</sup>)</a></li> <li><a href="/wiki/G_Centauri" title="G Centauri">4732 (G)</a></li> <li><a href="/wiki/HD_108541" title="HD 108541">4748 (u)</a></li> <li><a href="/wiki/HR_4796" title="HR 4796">4796</a></li> <li><a href="/wiki/HD_110073" title="HD 110073">4817 (l)</a></li> <li><a href="/wiki/HD_110458" title="HD 110458">4831 (w)</a></li> <li><a href="/wiki/HD_111597" title="HD 111597">4874 (p)</a></li> <li><a href="/wiki/HD_111915" title="HD 111915">4888 (e)</a></li> <li><a href="/wiki/HD_111968" title="HD 111968">4889 (n)</a></li> <li><a href="/wiki/HD_113703" title="HD 113703">4940 (f)</a></li> <li><a href="/wiki/HD_114613" title="HD 114613">4979</a></li> <li><a href="/wiki/HD_114837" title="HD 114837">4989</a></li> <li><a href="/wiki/HD_115310" title="HD 115310">5006 (r)</a></li> <li><a href="/wiki/J_Centauri" title="J Centauri">5035 (J)</a></li> <li><a href="/wiki/HD_116243" title="HD 116243">5041 (m)</a></li> <li><a href="/wiki/K_Centauri" title="K Centauri">5071 (K)</a></li> <li><a href="/wiki/HD_117440" title="HD 117440">5089 (d)</a></li> <li><a href="/wiki/Q_Centauri" title="Q Centauri">5141 (Q)</a></li> <li><a href="/wiki/M_Centauri" title="M Centauri">5172 (M)</a></li> <li><a href="/wiki/HD_119921" title="HD 119921">5174 (z)</a></li> <li><a href="/wiki/N_Centauri" title="N Centauri">5207 (N)</a></li> <li><a href="/wiki/HD_120987" title="HD 120987">5222 (y)</a></li> <li><a href="/wiki/HD_121056" title="HD 121056">5224</a></li> <li><a href="/wiki/HD_121474" title="HD 121474">5241</a></li> <li><a href="/wiki/HD_123569" title="HD 123569">5297</a></li> <li><a href="/wiki/HD_125288" title="HD 125288">5358 (v)</a></li> <li><a href="/wiki/HD_125628" title="HD 125628">5371</a></li> <li><a href="/wiki/HD_129116" title="HD 129116">5471 (b)</a></li> <li><a href="/wiki/HD_129456" title="HD 129456">5485 (c<sup>1</sup>)</a></li> <li><a href="/wiki/HD_129685" title="HD 129685">5489 (c<sup>2</sup>)</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_97413" title="HD 97413">97413</a></li> <li><a href="/wiki/HD_98176" title="HD 98176">98176</a></li> <li><a href="/wiki/HD_100453" title="HD 100453">100453</a></li> <li><a href="/wiki/HD_101930" title="HD 101930">101930</a></li> <li><a href="/wiki/HD_102117" title="HD 102117">102117 (Uklun)</a></li> <li><a href="/wiki/HD_103197" title="HD 103197">103197</a></li> <li><a href="/wiki/HD_107914" title="HD 107914">107914</a></li> <li><a href="/wiki/HD_108236" title="HD 108236">108236</a></li> <li><a href="/wiki/HD_109749" title="HD 109749">109749</a></li> <li><a href="/wiki/HD_110113" title="HD 110113">110113</a></li> <li><a href="/wiki/HD_113538" title="HD 113538">113538</a></li> <li><a href="/wiki/HD_113766" title="HD 113766">113766</a></li> <li><a href="/wiki/HD_114386" title="HD 114386">114386</a></li> <li><a href="/wiki/HD_114729" title="HD 114729">114729</a></li> <li><a href="/wiki/HD_115600" title="HD 115600">115600</a></li> <li><a href="/wiki/HIP_65426" class="mw-redirect" title="HIP 65426">116434</a></li> <li><a href="/wiki/HD_117207" title="HD 117207">117207</a></li> <li><a href="/wiki/HD_117618" title="HD 117618">117618 (Dofida)</a></li> <li><a href="/wiki/HD_121228" title="HD 121228">121228</a></li> <li><a href="/wiki/HD_121504" title="HD 121504">121504</a></li> <li><a href="/wiki/HD_124448" title="HD 124448">124448</a></li> <li><a href="/wiki/HD_125072" title="HD 125072">125072</a></li> <li><a href="/wiki/HD_125595" title="HD 125595">125595</a></li> <li><a href="/wiki/HD_131399" title="HD 131399">131399</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_J11263991%E2%88%925003550" title="2MASS J11263991−5003550">2MASS J1126−5003</a></li> <li><a href="/wiki/2M1207" title="2M1207">2M1207</a></li> <li><a class="mw-selflink selflink">Gaia BH2</a></li> <li><a href="/wiki/GJ_3737" class="mw-redirect" title="GJ 3737">GJ 3737</a></li> <li><a href="/wiki/J1407b" title="J1407b">J1407b</a></li> <li><a href="/wiki/PSR_B1259%E2%88%9263/LS_2883" title="PSR B1259−63/LS 2883">PSR B1259−63/LS 2883</a></li> <li><a href="/wiki/PSR_J1311%E2%80%933430" title="PSR J1311–3430">PSR J1311–3430</a></li> <li><a href="/wiki/WASP-15" title="WASP-15">WASP-15 (Nyamien)</a></li> <li><a href="/wiki/WASP-41" title="WASP-41">WASP-41</a></li> <li><a href="/wiki/WASP-42" title="WASP-42">WASP-42</a></li> <li><a href="/wiki/CD%E2%88%9234_8618" title="CD−34 8618">WASP-167/KELT-13</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/2M1207b" title="2M1207b">2M1207b</a></li> <li><a href="/wiki/B_Centauri_b" title="B Centauri b">b Centauri b</a></li> <li><a href="/wiki/HD_102117_b" title="HD 102117 b">HD 102117 b</a></li> <li><a href="/wiki/HD_103197_b" title="HD 103197 b">HD 103197 b</a></li> <li><a href="/wiki/HD_109749_b" title="HD 109749 b">HD 109749 b</a></li> <li><a href="/wiki/HD_101930_b" title="HD 101930 b">HD 101930 b</a></li> <li><a href="/wiki/HD_113538_b" title="HD 113538 b">HD 113538 b</a></li> <li><a href="/wiki/HD_113538_c" title="HD 113538 c">c</a></li> <li><a href="/wiki/HD_114386_b" title="HD 114386 b">HD 114386 b</a></li> <li><a href="/wiki/HD_114729_b" title="HD 114729 b">HD 114729 b</a></li> <li><a href="/wiki/HD_117207_b" title="HD 117207 b">HD 117207 b</a></li> <li><a href="/wiki/HD_117618_b" title="HD 117618 b">HD 117618 b</a></li> <li><a href="/wiki/HD_121504_b" title="HD 121504 b">HD 121504 b</a></li> <li><a href="/wiki/HIP_65426_b" title="HIP 65426 b">HIP 65426 b</a></li> <li><a href="/wiki/HIP_67522_b" title="HIP 67522 b">HIP 67522 b</a></li> <li><a href="/wiki/Proxima_Centauri_b" title="Proxima Centauri b">Proxima Centauri b</a></li> <li><a href="/wiki/Proxima_Centauri_c" title="Proxima Centauri c">c</a></li> <li><a href="/wiki/Proxima_Centauri_d" title="Proxima Centauri d">d</a></li> <li><a href="/wiki/WASP-15b" title="WASP-15b">WASP-15b</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/IC_2944" title="IC 2944">IC 2944</a></li> <li><a href="/wiki/NGC_3766" title="NGC 3766">NGC 3766</a></li> <li><a href="/wiki/NGC_4230" title="NGC 4230">NGC 4230</a></li> <li><a href="/wiki/NGC_5286" title="NGC 5286">NGC 5286</a></li> <li><a href="/wiki/NGC_5281" title="NGC 5281">NGC 5281</a></li> <li><a href="/wiki/NGC_5316" title="NGC 5316">NGC 5316</a></li> <li><a href="/wiki/NGC_5460" title="NGC 5460">NGC 5460</a></li> <li><a href="/wiki/NGC_5617" title="NGC 5617">NGC 5617</a></li> <li><a href="/wiki/NGC_5662" title="NGC 5662">NGC 5662</a></li> <li><a href="/wiki/Omega_Centauri" title="Omega Centauri">ω</a></li> <li><a href="/wiki/Scorpius%E2%80%93Centaurus_association" title="Scorpius–Centaurus association">Scorpius–Centaurus association</a></li> <li><a href="/wiki/Stock_16" title="Stock 16">Stock 16</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-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Boomerang_Nebula" title="Boomerang Nebula">Boomerang Nebula</a></li> <li><a href="/wiki/Fleming_1" title="Fleming 1">Fleming 1</a></li> <li><a href="/wiki/G292.0%2B01.8" title="G292.0+01.8">G292.0+1.8</a></li> <li><a href="/wiki/IC_2944" title="IC 2944">IC 2944</a></li> <li><a href="/wiki/NGC_3918" title="NGC 3918">NGC 3918</a></li> <li><a href="/wiki/NGC_5307" title="NGC 5307">NGC 5307</a></li> <li><a href="/wiki/RCW_79" title="RCW 79">RCW 79</a></li> <li><a href="/wiki/Southern_Crab_Nebula" title="Southern Crab Nebula">Southern Crab Nebula</a></li> <li><a href="/wiki/SN_185" title="SN 185">SN 185</a> <small>(RCW 86)</small></li> <li><a href="/wiki/SuWt_2" title="SuWt 2">SuWt 2</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/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_3783" title="NGC 3783">3783</a></li> <li><a href="/wiki/NGC_4444" title="NGC 4444">4444</a></li> <li><a href="/wiki/NGC_4603" title="NGC 4603">4603</a></li> <li><a href="/wiki/NGC_4622" title="NGC 4622">4622</a></li> <li><a href="/wiki/NGC_4650A" title="NGC 4650A">4650A</a></li> <li><a href="/wiki/NGC_4683" title="NGC 4683">4683</a></li> <li><a href="/wiki/NGC_4696" title="NGC 4696">4696</a></li> <li><a href="/wiki/NGC_4706" title="NGC 4706">4706</a></li> <li><a href="/wiki/NGC_4709" title="NGC 4709">4709</a></li> <li><a href="/wiki/NGC_4729" title="NGC 4729">4729</a></li> <li><a href="/wiki/NGC_4730" title="NGC 4730">4730</a></li> <li><a href="/wiki/NGC_4743" title="NGC 4743">4743</a></li> <li><a href="/wiki/NGC_4744" title="NGC 4744">4744</a></li> <li><a href="/wiki/NGC_4945" title="NGC 4945">4945</a></li> <li><a href="/wiki/NGC_4976" title="NGC 4976">4976</a></li> <li><a href="/wiki/NGC_5011" title="NGC 5011">5011</a> <ul><li><a href="/wiki/NGC_5011A" class="mw-redirect" title="NGC 5011A">A</a></li></ul></li> <li><a href="/wiki/NGC_5026" title="NGC 5026">5026</a></li> <li><a href="/wiki/NGC_5090_and_NGC_5091" title="NGC 5090 and NGC 5091">5090</a></li> <li><a href="/wiki/NGC_5090_and_NGC_5091" title="NGC 5090 and NGC 5091">5091</a></li> <li><a href="/wiki/NGC_5102" title="NGC 5102">5102</a></li> <li><a href="/wiki/NGC_5114" title="NGC 5114">5114</a></li> <li><a href="/wiki/Centaurus_A" title="Centaurus A">5128 (Centaurus A)</a></li> <li><a href="/wiki/NGC_5161" title="NGC 5161">5161</a></li> <li><a href="/wiki/NGC_5253" title="NGC 5253">5253</a></li> <li><a href="/wiki/NGC_5291" title="NGC 5291">5291</a></li> <li><a href="/wiki/NGC_5398" title="NGC 5398">5398</a></li> <li><a href="/wiki/NGC_5408" title="NGC 5408">5408</a></li> <li><a href="/wiki/NGC_5419" title="NGC 5419">5419</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/ESO_269-57" title="ESO 269-57">ESO 269-57</a></li> <li><a href="/wiki/ESO_325-G004" class="mw-redirect" title="ESO 325-G004">ESO 325-G004</a></li> <li><a href="/wiki/ESO_383-76" title="ESO 383-76">ESO 383-76</a></li> <li><a href="/wiki/ESO_444-46" title="ESO 444-46">ESO 444-46</a></li> <li><a href="/wiki/Fourcade-Figueroa_Object" title="Fourcade-Figueroa Object">Fourcade-Figueroa Object</a></li> <li><a href="/wiki/IRAS_13224-3809" title="IRAS 13224-3809">IRAS 13224-3809</a></li> <li><a href="/wiki/PKS_1144-379" title="PKS 1144-379">PKS 1144-379</a></li> <li><a href="/wiki/PKS_1353%E2%88%92341" title="PKS 1353−341">PKS 1353−341</a></li> <li><a href="/wiki/PKS_1424-418" title="PKS 1424-418">PKS 1424-418</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_S740" title="Abell S740">Abell S740</a></li> <li><a href="/wiki/Shapley_Supercluster" title="Shapley Supercluster">Shapley Supercluster</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_185" title="SN 185">SN 185</a></li> <li><a href="/wiki/SN_1895B" title="SN 1895B">SN 1895B</a></li> <li><a href="/wiki/SN_1986G" title="SN 1986G">SN 1986G</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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