3C 390.3

{{Short description|Galaxy in the constellation Draco}} {{Infobox Galaxy | name = [[Third Cambridge Catalogue of Radio Sources|3C]] 390.3 | image = 3C 390.3 by NVAS 4.91I5.35 AW0087 1983JAN30 1 7.50M4.53M.jpg | epoch = [[J2000]] | ra = {{RA|18|42|08.9899}}<ref name="ned">{{cite web | title=NASA/IPAC Extragalactic Database | work=Results for 3C 390.3 | url=http://nedwww.ipac.caltech.edu/ | access-date=2006-10-26 }}</ref> | dec = {{DEC|+79|46|17.128}}<ref name="ned" /> | constellation name = [[Draco (constellation)|Draco]] | z = 0.056159 ± 0.000464<ref name="ned" /> | type = S0<ref name="ned" /> | appmag_v = 14.64 | size_v = 0.4'X0.32' | names = [[Lyon-Meudon Extragalactic Database|LEDA]] 62274, [[Fourth Cambridge Survey|4C]] 79.18, [[Principal Galaxies Catalogue|PCG]] 62274 }}

'''3C 390.3''' is a broad-line [[radio galaxy]] located in the [[constellation]] [[Draco (constellation)|Draco]]. It is also a [[Seyfert galaxy|Seyfert 1 galaxy]] which is an X-ray source.<ref name=3C390>{{ cite web |title=3CR 390.3 – Seyfert 1 Galaxy |url=http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=3C+390.3&submit=SIMBAD+search }}</ref>

==References== {{Reflist}}

==External links== * [http://simbad.u-strasbg.fr/simbad/sim-id?protocol=html&Ident=3C+390.3&NbIdent=1&Radius=2&Radius.unit=arcmin&submit=submit+id Simbad] * [http://www.jb.man.ac.uk/atlas/object/3C390P3.html 3CRR atlas: 3C390.3]

{{DEFAULTSORT:3C 390.3}} [[Category:Radio galaxies]] [[Category:3C objects|390.3]] [[Category:Draco (constellation)]]