4C 58.17
| 4C 58.17 | |
|---|---|
SDSS image of 4C 58.17 | |
| Observation data (J2000.0 epoch) | |
| Constellation | Ursa Major |
| Right ascension | 08h 54m 41.99s |
| Declination | +57° 57′ 29.93″ |
| Redshift | 1.317368 |
| Heliocentric radial velocity | 394,937 km/s |
| Distance | 9.036 Gly |
| Apparent magnitude (V) | 18.18 |
| Apparent magnitude (B) | 18.56 |
| Characteristics | |
| Type | LPQ FSRQ |
| Size | ~215,000 ly (65.8 kpc) (estimated) |
| Notable features | superluminal quasar |
| Other designations | |
| SDSS J085442.00+575729.9, LEDA 2821457, NVSS J085441+575729, VLSS J0854.7+5757, 6C B085050.2+580854, S4 0850+58, VIPS 163, RX J0854.6+5757, 2CXO J085442.0+575730 | |
4C 58.17 also known as 0850+581, is a quasar located in the northern constellation of Ursa Major. The redshift of the object is (z) 1.317 estimating a light-travel time distance of 9 billion light years away from Earth and was first discovered as an astronomical radio source by astronomers in 1981. It is a flat-spectrum radio quasar and a superluminal source.