Editing 3C 273 (section)

{{Short description|Brightest quasar from Earth located in the constellation Virgo}}
{{Infobox quasar
 | name = [[Third Cambridge Catalogue of Radio Sources|3C]] 273
 | image = Best image of bright quasar 3C 273 (10953173335).jpg
 | caption= Quasar 3C 273 taken by [[Hubble Space Telescope|HST]]<ref>{{cite news|title=Best image of bright quasar 3C 273|url=http://www.spacetelescope.org/images/potw1346a/|access-date=20 November 2013|newspaper=ESA/Hubble Picture of the Week}}</ref>
 | epoch = [[J2000]]
 | ra = {{RA|12|29|06.7}}<ref name="ned">{{cite web | title=NASA/IPAC Extragalactic Database | work=Results for 3C 273 | url=http://nedwww.ipac.caltech.edu/cgi-bin/nph-objsearch?objname=3C+273&extend=no | access-date=2006-10-26 }}</ref>
 | dec = {{DEC|+02|03|09}}<ref name="ned"/>
 | constellation name = [[Virgo (constellation)|Virgo]]
 | z = 0.158339 ± 0.000067<ref name="ned"/>
 | type = [[Blazar]]; Sy1<ref name="ned"/>
 | dist_ly = {{cvt|2.443|Gly|Mpc|0|lk=on}}<ref name=XJET>{{cite web
|date=2008-01-11 |title=3C 273 |publisher=XJET: X-Ray Emission from Extragalactic Radio Jets |url=http://hea-www.harvard.edu/XJET/source-d.cgi?3C_273 |access-date=2010-04-05}}</ref><ref name="Uchiyamaetal2006"/> (luminosity distance)<br>{{val|1.80|0.32|0.28|u=Gly|fmt=commas}}&nbsp;({{val|552|97|79|u=Mpc}})<ref name=Wang_et_al_2020>{{cite journal
| title=A parallax distance to 3C 273 through spectroastrometry and reverberation mapping | last1=Wang | first1=Jian-Min | last2=Songsheng | first2=Yu-Yang | last3=Li | first3=Yan-Rong | last4=Du | first4=Pu | last5=Zhang | first5=Zhi-Xiang | journal=Nature Astronomy | volume=4 | pages=517–525 | date=January 2020 | issue=5 | doi=10.1038/s41550-019-0979-5 | arxiv=1906.08417 | bibcode=2020NatAs...4..517W | s2cid=256707018 }}</ref> (parallax distance)
 | appmag_v = 12.9<ref name="ned"/>
 | size_v =
 | notes = optically brightest quasar, first spectrum of a quasar
 | names = [[Principal Galaxies Catalogue|PGC]] 41121<ref name="ned"/> and [[Hipparcos Catalogue|HIP]] 60936
| mass=886 ± 187 × 10<sup>6</sup>
| luminosity=10<sup>12</sup>
}}
'''3C 273''' is a [[quasar]] located at the center of a giant [[elliptical galaxy]] in the [[constellation]] of [[Virgo (constellation)|Virgo]]. It was the first quasar ever to be identified and is the visually brightest quasar in the sky as seen from Earth, with an [[apparent visual magnitude]] of 12.9.<ref name="ned"/> The derived distance to this object is {{convert|749|Mpc|e9ly|1|abbr=off|lk=on}}. The mass of its central [[supermassive black hole]] is approximately 900 million times the [[mass of the Sun]].