3C 254
| 3C 254 | |
|---|---|
The quasar 3C 254. Above the object is the galaxy, 2MASS J11143975+4037350. | |
| Observation data (J2000.0 epoch) | |
| Constellation | Ursa Major |
| Right ascension | 11h 14m 38.7241s |
| Declination | +40° 37′ 20.285″ |
| Redshift | 0.735926 |
| Heliocentric radial velocity | 220,625 km/s |
| Distance | 6.318 Gly |
| Apparent magnitude (V) | 17.42 |
| Apparent magnitude (B) | 17.62 |
| Characteristics | |
| Type | RL1 |
| Other designations | |
| 4C 40.18, DA 298, LEDA 2817631, NRAO 369, QSO J1114+4037, 2E 2426 | |
3C 254 is a radio-loud quasar located in the constellation of Ursa Major. The object has a redshift of (z) 0.734 and is classified as a Fanaroff-Riley class type II source. It was first identified by astronomers as an astronomical radio source in 1965.