HD 103079
Star in the constellation Musca / From Wikipedia, the free encyclopedia
HD 103079 is a class B4V[3] (blue main-sequence) star in the constellation Musca. Its apparent magnitude is 4.89[2] and it is approximately 362 light years away from Earth based on parallax.[1] 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]
Quick Facts Observation data Epoch J2000 Equinox J2000, Constellation ...
Observation data Epoch J2000 Equinox J2000 | |
---|---|
Constellation | Musca |
Right ascension | 11h 51m 51.22590s[1] |
Declination | −65° 12′ 21.2653″[1] |
Apparent magnitude (V) | 4.89[2] |
Characteristics | |
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: -33.88[1] mas/yr Dec.: -5.13[1] mas/yr |
Parallax (π) | 9.00 ± 0.47 mas[1] |
Distance | 360 ± 20 ly (111 ± 6 pc) |
Absolute magnitude (MV) | -0.33[2] |
Details | |
Mass | 5.0[6] M☉ |
Luminosity | 251[2] L☉ |
Temperature | 20,560[7] K |
Metallicity [Fe/H] | 0.00[8] dex |
Rotational velocity (v sin i) | 57[3] km/s |
Other designations | |
Database references | |
SIMBAD | data |
Close
It has one reported companion with a magnitude of 7.41 and separation 1.549".[10][11]