Celaeno (star)
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Taurus |
| Right ascension | 03h 44m 48.2154s |
| Declination | +24° 17′ 22.093″ |
| Apparent magnitude (V) | +5.448 |
| Characteristics | |
| Spectral type | B7IV |
| U−B color index | –0.33 |
| B−V color index | –0.046 |
| Astrometry | |
| Radial velocity (Rv) | +2.9 km/s |
| Proper motion (μ) | RA: 20.73 mas/yr Dec.: –44.00 mas/yr |
| Parallax (π) | 7.53±1.23 mas |
| Distance | approx. 430 ly (approx. 130 pc) |
| Absolute magnitude (MV) | −0.76 |
| Details | |
| Mass | 4.0 M☉ |
| Radius | 4.4 R☉ |
| Luminosity | 344 L☉ |
| Surface gravity (log g) | 3.9 cgs |
| Temperature | 12,800 K |
| Rotational velocity (v sin i) | 185 km/s |
| Other designations | |
| 16 Tauri, HR 1140, HD 23288, BD+23 505, HIP 17489, SAO 76126, GC 4475. | |
| Database references | |
| SIMBAD | data |
Celaeno /səˈliːnoʊ/ (designated 16 Tauri) is a star in the constellation of Taurus and a member of the Pleiades open star cluster (M45) of stars.