HD 316285
Star in the constellation Sagittarius / From Wikipedia, the free encyclopedia
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HDE 316285 is a blue supergiant star in the constellation Sagittarius. It is a candidate luminous blue variable and lies about 6,000 light years away in the direction of the Galactic Center.
Quick Facts Observation data Epoch J2000 Equinox J2000, Constellation ...
Observation data Epoch J2000 Equinox J2000 | |
---|---|
Constellation | Sagittarius |
Right ascension | 17h 48m 14.03721s[1] |
Declination | −28° 00′ 53.1212″[1] |
Apparent magnitude (V) | 9.60[2] |
Characteristics | |
Spectral type | B0Ieq[3] |
U−B color index | +0.61[2] |
B−V color index | +1.67[2] |
Variable type | cLBV[4] |
Astrometry | |
Proper motion (μ) | RA: −2.155[1] mas/yr Dec.: −4.556[1] mas/yr |
Parallax (π) | 0.3010 ± 0.0294 mas[1] |
Distance | 1,900[4] pc |
Absolute magnitude (MV) | −8.4[5] |
Details | |
Mass | 18.6[6] M☉ |
Radius | 75[5] R☉ |
Luminosity | 275,000[7] L☉ |
Surface gravity (log g) | 0.74[6] cgs |
Temperature | 15,000[7] K |
Metallicity [Fe/H] | −0.49[6] dex |
Other designations | |
Database references | |
SIMBAD | data |
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