CFBDSIR 1458+10 [SEP] constellation
CFBDSIR 1458+10
CFBDSIR J145829+101343 (designation abbreviated to CFBDSIR 1458+10, or CFBDSIR J1458+1013) is a binary system of two brown dwarfs of spectral classes T9 + Y0 orbiting each other, located in constellation Boötes about 104 light-years away from Earth.
The smaller companion, CFBDSIR 1458+10B, has a surface temperature of approx 370 K (≈100 °C) and used to be known as the coolest known brown dwarf until the discovery of WISE 1828+2650 in August
presented in this paper, and binarity of the other one, CFBDSIR 1458+10, was known before.
Distance.
Trigonometric parallax of CFBDSIR 1458+10, measured under The Hawaii Infrared Parallax Program by Dupuy & Liu in 2012, is 31.3 ± 2.5 mas, corresponding to a distance 31.9 pc, or 104.2 ly.
CFBDSIR 1458+10 distance estimates
Space motion.
CFBDSIR 1458+10 has proper motion of about 420 milliarcseconds per year.
CFBDSIR 1458+10 proper motion estimates
Physical