| 词条 | 3C 303 |
| 释义 |
| name = 3C 303 | image = | epoch = J2000 | ra = {{RA|14|43|02.76070}}[1] | dec = {{DEC|+52|01|37.2982}}[1] | constellation name = Boötes | z = 0.141186[3] | type = Sy1, Rad, AGN, IR, X, AG?, QSO, G[1] G, FR II, Sy 1.5[3] | dist_pc = {{convert|564|Mpc|ly|lk=on}} {{hub|0.73|link=yes}}[3] | appmag_v = 18.29[1] | size_v = | notes = | names = DA 369, 3C 303, QSO B1441+5214 }} 3C 303 is a Seyfert galaxy[1][2] with a quasar-like appearance located in the constellation Boötes. References1. ^1 2 3 4 {{cite web |url=http://simbad.u-strasbg.fr/simbad/sim-id?Ident=3C+303 |title=Query : 3C 303 |website=Simbad |publisher=Centre de Données astronomiques de Strasbourg |accessdate=2 June 2015}} 2. ^1 2 3 {{cite web |website=NASA/IPAC Extragalactic Database |title=NED results for object 3C 303 |url=http://nedwww.ipac.caltech.edu/cgi-bin/nph-objsearch?objname=3C+303&extend=no |accessdate=2 June 2015 }} External links
4 : Radio galaxies|Seyfert galaxies|3C objects|Quasars |
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