Gamma Muscae
 Location of γ Muscae (circled) |
|
| Observation data Epoch J2000.0 Equinox J2000.0 |
|
|---|---|
| Constellation | Musca |
| Right ascension | 12h 32m 28.01343s |
| Declination | −72° 07′ 58.7597″ |
| Apparent magnitude (V) | 3.84 |
| Characteristics | |
| Spectral type | B5V |
| B−V color index | −0.157 |
| Astrometry | |
| Radial velocity (Rv) | 2.5 km/s |
| Proper motion (μ) |
RA: −51.34 mas/yr Dec.: −5.40 mas/yr |
| Parallax (π) | 10.04 ± 0.13mas |
| Distance | 325 ± 4 ly (100 ± 1 pc) |
| Absolute magnitude (MV) | –1.1 |
| Details | |
| Luminosity | 790 L☉ |
| Surface gravity (log g) | 4.04 cgs |
| Temperature | 16,000 K |
| Other designations | |
| Database references | |
| SIMBAD | data |
γ Muscae, Latinised as Gamma Muscae, is a star in the southern circumpolar constellation of Musca, the Fly. It is a blue-white star of spectral type B5V that ranges between magnitudes 3.84 and 3.86 over a period of 2.7 days. It is a variable of a different type, classed as a Slowly pulsating B star. It is around five times as massive as the Sun.
This star is a proper motion member of the Lower-Centaurus Crux sub-group in the Scorpius-Centaurus OB association, the nearest such association of co-moving massive stars to the Sun.
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