Gamma Librae
| Observation data Epoch J2000.0 Equinox J2000.0 |
|
|---|---|
| Constellation | Libra |
| Right ascension | 15h 35m 31.54s |
| Declination | −14° 27′ 22.4″ |
| Apparent magnitude (V) | +3.91 |
| Absolute magnitude (V) | +0.56 |
| Distance | 152 ly (46.63 pc) |
| Spectral type | K0 III |
| Other designations | |
Gamma Librae (γ Lib, γ Librae), or Zuben-el-Akrab, is a star in the constellation Libra. Because the star lies near the ecliptic it is subject to occultations by the Moon, allowing the angular size to be measured.
Gamma Librae has the traditional name Zuben-el-Akrab (also rendered Zuben (el) Hakrabi and corrupted as Zuben Hakraki). The name is a modification of the Arabic زبانى العقرب Zuban al-ʿAqrab "the claws of the scorpion", a name that dates to before Libra was a distinct constellation from Scorpius.
Gamma Librae belongs to the spectral class K0III, and is of the fourth-magnitude, having apparent magnitude +3.91. It is approximately 152 light-years (47 parsecs) from the Earth. This star has 2.15 times the mass of the Sun and is radiating around 71 times the luminosity of the Sun at an effective temperature of 4,822 K.
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