HD 316285
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Sagittarius |
| Right ascension | 17h 48m 14.03721s |
| Declination | −28° 00′ 53.1212″ |
| Apparent magnitude (V) | 9.60 |
| Characteristics | |
| Spectral type | B0Ieq |
| U−B color index | +0.61 |
| B−V color index | +1.67 |
| Variable type | cLBV |
| Astrometry | |
| Proper motion (μ) | RA: −2.155 mas/yr Dec.: −4.556 mas/yr |
| Parallax (π) | 0.3010±0.0294 mas |
| Distance | 1,900 pc |
| Absolute magnitude (MV) | −8.4 |
| Details | |
| Mass | 18.6 M☉ |
| Radius | 75 R☉ |
| Luminosity | 275,000 L☉ |
| Surface gravity (log g) | 0.74 cgs |
| Temperature | 15,000 K |
| Metallicity [Fe/H] | −0.49 dex |
| Other designations | |
| V4375 Sagittarii, HD 316285, HIP 87136, CD −27°11944, SAO 185776, GCRV 67373, MWC 272, AAVSO 1741-27B | |
| Database references | |
| SIMBAD | data |
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.