1ES 1011+496
| 1ES 1011+496 | |
|---|---|
BL Lac object 1ES 1011+496 seen by SDSS. | |
| Observation data (J2000.0 epoch) | |
| Constellation | Ursa Major |
| Right ascension | 10h 15m 04.140s |
| Declination | +49° 26′ 00.70″ |
| Redshift | 0.212000 |
| Heliocentric radial velocity | 63,556 km/s |
| Distance | 2.727 Gly |
| Apparent magnitude (V) | 16.15 |
| Apparent magnitude (B) | 16.56 |
| Characteristics | |
| Type | BL LAC |
| Size | 78.54 kiloparsecs (256,200 light-years) (diameter; 2MASS K-band total isophote) |
| Notable features | High frequency peaked BL Lac object |
| Other designations | |
| 2MASS J10150414+49226008, RBS 0841, LEDA 2342845, NVSS J101504+492601, 7C 1011+4941, VIPS 0312, RX J1015.0+4926, 51P 104 | |
1ES 1011+496 is a relatively distant BL Lacertae object (BL Lac) located 2.7 billion light-years away in the constellation of Ursa Major. This object has a redshift of 0.212 based on its absorption line spectrum and was first discovered as an extragalactic radio source by astronomers in March 1986.