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3C 273 is a quasar located at the center of a giant elliptical galaxy in the constellation of Virgo. It was the first quasar ever to be identified and is the visually brightest quasar in the sky as seen from the Earth, with an apparent visual magnitude of 12.9, outshining by more than 16 times the entire galaxy that hosts it. The derived distance to this…
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3c quasar 273 jet galaxy magnitude distance first radio apparent earth object redshift luminosity optical also virgo telescope sky central
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| 3C 273 | Apparent magnitude (V) | 12.9 | 1.00 | infobox |
| 3C 273 | Constellation | Virgo | 1.00 | infobox |
| 3C 273 | Declination | +02° 03′ 09″ | 1.00 | infobox |
| 3C 273 | Distance | 2.443 Gly (749 Mpc) (luminosity distance) 1.80+0.32 −0.28 Gly (552+97 −79 Mpc) (parallax distance) | 1.00 | infobox |
| 3C 273 | Notable features | optically brightest quasar, first spectrum of a quasar | 1.00 | infobox |
| 3C 273 | Redshift | 0.158339 ± 0.000067 | 1.00 | infobox |
| 3C 273 | Right ascension | 12h 29m 06.7s | 1.00 | infobox |
| 3C 273 | Type | Blazar; Sy1 | 1.00 | infobox |
| 3C 273 | is a | quasar located at the center of a giant elliptical galaxy in the constellation of Virgo | 0.90 | text |
| 3C 273 | is a | most distant celestial object average amateur astronomers are likely to see through their telescopes | 0.90 | text |
| 3C 273 | is a | radio-loud quasar | 0.90 | text |
| 3C 273 | related to External links | Database | 0.60 | section |
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