HD 103079
HD 103079 is a class B4V (blue main-sequence) star in the constellation Musca. Its apparent magnitude is 4.89 and it is approximately 362 light years away from Earth based on parallax. It is a member of the Lower Centaurus–Crux subgroup of the Scorpius–Centaurus association, a group of predominantly hot blue-white stars that share a common origin and proper motion across the galaxy.
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Musca |
| Right ascension | 11h 51m 51.22590s |
| Declination | −65° 12′ 21.2653″ |
| Apparent magnitude (V) | 4.89 |
| Characteristics | |
| Spectral type | B4V |
| U−B color index | -0.53 |
| B−V color index | -0.11 |
| Astrometry | |
| Radial velocity (Rv) | +20.60 km/s |
| Proper motion (μ) | RA: -33.88 mas/yr Dec.: -5.13 mas/yr |
| Parallax (π) | 9.00 ± 0.47 mas |
| Distance | 360 ± 20 ly (111 ± 6 pc) |
| Absolute magnitude (MV) | -0.33 |
| Details | |
| Mass | 5.0 M☉ |
| Luminosity | 251 L☉ |
| Temperature | 20,560 K |
| Metallicity [Fe/H] | 0.00 dex |
| Rotational velocity (v sin i) | 57 km/s |
| Other designations | |
| Database references | |
| SIMBAD | data |
It has one reported companion with a magnitude of 7.41 and separation 1.549".
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