T Crucis

T Crucis
Observation data
Epoch J2000.0      Equinox J2000.0
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]
Distance2,690 ± 30 ly
(826 ± 10 pc)
Absolute magnitude (MV)−3.49[4]
Details
Mass7.2[1] M☉
Radius55[1] R☉
Luminosity2,601[1] L☉
Surface gravity (log g)1.52[1] cgs
Temperature4,676[1] K
Metallicity [Fe/H]0.09[4] dex
Age57[4] Myr
Other designations
CD−61°3428, HD 107447, HIP 60259, SAO 251861[5]
Database references
SIMBADdata
Light curve of T Crucis recorded by NASA's Transiting Exoplanet Survey Satellite (TESS)

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.

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  4. ^ a b c Cite error: The named reference acharova2012 was invoked but never defined (see the help page).
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