T Crucis
| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Crux |
| Right ascension | 12h 21m 21.12807s |
| Declination | −62° 16′ 53.8790″ |
| Apparent magnitude (V) | 6.32 - 6.83 |
| Characteristics | |
| Evolutionary stage | F6-G2Ib |
| Variable type | δ Cep |
| Astrometry | |
| Proper motion (μ) | RA: −10.915 mas/yr Dec.: −0.471 mas/yr |
| Parallax (π) | 1.2106±0.0142 mas |
| Distance | 2,690 ± 30 ly (826 ± 10 pc) |
| Absolute magnitude (MV) | −3.49 |
| Details | |
| Mass | 7.2 M☉ |
| Radius | 55 R☉ |
| Luminosity | 2,601 L☉ |
| Surface gravity (log g) | 1.52 cgs |
| Temperature | 4,676 K |
| Metallicity [Fe/H] | 0.09 dex |
| Age | 57 Myr |
| Other designations | |
| CD−61°3428, HD 107447, HIP 60259, SAO 251861 | |
| Database references | |
| SIMBAD | data |
T Crucis is a star in the constellation Crux. A Cepheid variable, its apparent magnitude ranges from 6.32 to 6.83 over 6.73331 days. It is a yellow-white supergiant that pulsates between spectral types F6Ib and G2Ib. The radius is 55 times that of the Sun.