119 Tauri
| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Taurus |
| Right ascension | 05h 32m 12.75251s |
| Declination | +18° 35′ 39.2436″ |
| Apparent magnitude (V) | 4.23 - 4.54 |
| Characteristics | |
| Evolutionary stage | Red supergiant star, or possible asymptotic giant branch star |
| Spectral type | M2Iab-Ib |
| U−B color index | +2.23 |
| B−V color index | +2.08 |
| Variable type | SRc |
| Astrometry | |
| Radial velocity (Rv) | +23.75 km/s |
| Proper motion (μ) | RA: 1.86 mas/yr Dec.: −4.48 mas/yr |
| Parallax (π) | 1.82±0.26 mas |
| Distance | approx. 1,800 ly (approx. 550 pc) |
| Absolute magnitude (MV) | −5.20 |
| Details | |
| Mass | 14.37+2.00 −2.77 M☉ |
| Radius | 587 - 593 R☉ |
| Luminosity | 66,000 L☉ |
| Surface gravity (log g) | +0.05+0.11 −0.17 cgs |
| Temperature | 3,801 - 3,820 K |
| Metallicity | 0.0 |
| Age | 13.9+1.0 −2.5 Myr |
| Other designations | |
| CE Tauri, HR 1845, HD 36389, BD+18°875, HIP 25945, SAO 94628, GC 6841, AAVSO 0526+18, Ruby Star | |
| Database references | |
| SIMBAD | data |
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119 Tauri (also known as CE Tauri) is a red supergiant star in the constellation Taurus. It is a magnitude 4 star, visible to the naked eye under good observing conditions. A semiregular variable, its angular diameter has been measured at about 10 mas. It is a similar star to Betelgeuse although redder and more distant.