T Crucis

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.^[3] It is a yellow-white supergiant that pulsates between spectral types F6Ib and G2Ib.^[3] The radius is 55 times that of the Sun.

ConstellationCrux

Right ascension12^h 21^m 21.12807^s[1]

Declination−62° 16′ 53.8790″^[1]

Apparentmagnitude(V)6.32 - 6.83^[2]

Quick facts Observation data Epoch J2000 Equinox J2000, Constellation ...

T Crucis

Observation data Epoch J2000      Equinox J2000
Constellation	Crux
Right ascension	12h 21m 21.12807s[1]
Declination	−62° 16′ 53.8790″[1]
Apparent magnitude (V)	6.32 - 6.83[2]
Characteristics
Evolutionary stage	F6-G2Ib[3]
Variable type	δ Cep[2]
Astrometry
Proper motion (μ)	RA: −10.915[1] mas/yr Dec.: −0.471[1] mas/yr
Parallax (π)	1.2106±0.0142 mas[1]
Distance	2,690 ± 30 ly (826 ± 10 pc)
Absolute magnitude (MV)	−3.49[4]
Details
Mass	7.2[1] M☉
Radius	55[1] R☉
Luminosity	2,601[1] L☉
Surface gravity (log g)	1.52[1] cgs
Temperature	4,676[1] K
Metallicity [Fe/H]	0.09[4] dex
Age	57[4] Myr
Other designations
CD−61°3428, HD 107447, HIP 60259, SAO 251861[5]
Database references
SIMBAD	data

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