| Observation data Epoch J2000.0 |
|
|---|---|
| Constellation (pronunciation) |
Boötes |
| Right ascension | 14h 32m 04.7s |
| Declination | +38° 18' 30" |
| Apparent magnitude (V) | +3.04 |
| Distance | 85.2 ± 1.6 ly (26.1 ± 0.5 pc) |
| Spectral type | A7III |
| Other designations | |
Gamma Boötis (γ Boo / γ Boötis) is a star in the constellation Boötes. It also has traditional names Seginus, Segin, Ceginus or Haris. Gamma Boötis is approximately 85 light years away from Earth. It belongs to the spectral class A7III. It is a Delta Scuti type variable star and its brightness varies from magnitude +3.02 to +3.07 with a period of 6.97 hours. The name Seginus resulted from Latinization of an Arabic form of the Greek name of the constellation of Boötes (Theguius). The name Haris comes from the Arabic name of the constellation of Boötes, Al Haris Al Sama, which means "the guard".
