Gliese 293


Gliese 293 is a nearby white dwarf star, located 26.64 light-years away in the constellation Volans. It is the nearest star in this constellation and also the only one within 10 parsecs.

Distance

Gliese 293 is the 12th-nearest known white dwarf. A trigonometric parallax of Gliese 293 was included in the YPC, and subsequently it was measured more precisely in CTIOPI 0.9 m telescope program, and by Gaia.
SourcePaperParallax, masDistance, pcDistance, lyRef.
YPCvan Altena et al., 1995
CTIOPI 0.9 mTSN-21
Gaia DR3Gaia Collaboration 2023

Physical parameters

The mass of Gliese 293 is, and its surface gravity is, or approximately 102,000 times Earth's, corresponding to a radius of, or 139% of Earth's.
Gliese 293 has a temperature of, almost like the Sun, and a cooling age, i.e. age as a degenerate star of It has a white appearance due to similar temperature to Sun.