Celaeno (star)
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Taurus |
| Right ascension | 03h 44m 48.2149s |
| Declination | +24° 17′ 22.083″ |
| Apparent magnitude (V) | +5.45 |
| Characteristics | |
| Evolutionary stage | main sequence |
| Spectral type | B7V |
| U−B color index | –0.33 |
| B−V color index | –0.046 |
| Astrometry | |
| Radial velocity (Rv) | +2.9 km/s |
| Proper motion (μ) | RA: +19.849 mas/yr Dec.: –44.966 mas/yr |
| Parallax (π) | 7.3852±0.0724 mas |
| Distance | 442 ± 4 ly (135 ± 1 pc) |
| Absolute magnitude (MV) | −0.76 |
| Details | |
| Mass | 4.0 M☉ |
| Radius | 2.34 R☉ |
| Luminosity | 344 L☉ |
| Surface gravity (log g) | 3.9 cgs |
| Temperature | 12,800 K |
| Metallicity [Fe/H] | −0.05 dex |
| Rotational velocity (v sin i) | 212 km/s |
| Age | 122 Myr |
| Other designations | |
| Celaeno, Celeno, 16 Tau, BD+23 505, GC 4475, HD 23288, HIP 17489, HR 1140, SAO 76126 | |
| 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.