HD 103079
Star in the constellation Musca
From Wikipedia, the free encyclopedia
HD 103079 is a class B4V (blue main-sequence) star in the constellation Musca. Its apparent magnitude is 4.89 and it is approximately 376 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.[9]
 | |
| Observation data Epoch J2000 Equinox ICRS | |
|---|---|
| Constellation | Musca[1] |
| Right ascension | 11h 51m 51.22424s[2] |
| Declination | −65° 12′ 21.2764″[2] |
| Apparent magnitude (V) | 4.89[1] |
| Characteristics | |
| Evolutionary stage | main sequence[2] |
| Spectral type | B4V[3] |
| U−B color index | −0.53[4] |
| B−V color index | −0.11[4] |
| Astrometry | |
| Radial velocity (Rv) | +20.60[5] km/s |
| Proper motion (μ) | RA: −34.879[2] mas/yr Dec.: −6.538[2] mas/yr |
| Parallax (π) | 8.6793±0.1283 mas[2] |
| Distance | 376 ± 6 ly (115 ± 2 pc) |
| Absolute magnitude (MV) | −0.33[1] |
| Details | |
| Mass | 5.0[6] M☉ |
| Luminosity | 251[1] L☉ |
| Temperature | 20,560[7] K |
| Metallicity [Fe/H] | 0.00[8] dex |
| Rotational velocity (v sin i) | 57[3] km/s |
| Other designations | |
| CPD−64°1724, CCDM J11519-6512AB, GC 16241, GSC 08981-04411, HIP 57851, HR 4549, HD 103079, SAO 251617, WDS J11519-6512AB | |
| Database references | |
| SIMBAD | data |
It has one reported companion with a magnitude of 7.41 and separation 1.549".[10][11]
