T Cephei is a Mira variable star in the constellation Cepheus. Located approximately distant, it varies between magnitudes 5.2 and 11.3 over a period of around 388 days.
T Cephei is a red giant of spectral type M6-9e with an effective temperature 2,400 K, a radius of , a mass of , and a luminosity of . If it were in the place of the Sun, its photosphere would at least engulf the orbit of Mars. This star is believed to be in a late stage of its life, blowing off its own atmosphere to form a white dwarf in a distant future.
See also
VV Cephei
R Cancri
Mira
S Cassiopeiae
References
External links
T Cephei in VizieR
Cepheus (constellation) Mira variables Cephei, T 202012 M-type giants 8113 104451 Durchmusterung objects Emission-line stars