HD 165516
From Infogalactic: the planetary knowledge core
| Observation data Epoch J2000.0 Equinox J2000.0 |
|
|---|---|
| Constellation | Sagittarius |
| Right ascension | 18h 07m 11.35s[1] |
| Declination | −21° 26′ 38.2″[1] |
| Apparent magnitude (V) | +6.33[2] |
| Characteristics | |
| Spectral type | B1/2Ib[3] |
| U−B color index | −0.72[2] |
| B−V color index | +0.12[2] |
| Astrometry | |
| Radial velocity (Rv) | -8.50[4] km/s |
| Proper motion (μ) | RA: −0.23[1] mas/yr Dec.: −1.15[1] mas/yr |
| Parallax (π) | 1.39 ± 0.49[1] mas |
| Distance | approx. 2,300 ly (approx. 700 pc) |
| Absolute magnitude (MV) | -5.8[5] |
| Details | |
| Mass | 10.1[6] M☉ |
| Radius | 26[7] R☉ |
| Temperature | 25,000[8] K |
| Age | 22.5[6] Myr |
| Other designations | |
| Database references | |
| SIMBAD | data |
HD 165516 is a blue supergiant star in the constellation Sagittarius. It is part of the Sagittarius OB1 association.
References
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