WISE 1217+1626 [SEP] constellation
WISE 1217+1626
WISEPC J121756.91+162640.2 (designation abbreviated to WISE 1217+1626, or WISE J1217+1626) is a binary brown dwarf system of spectral classes T9 + Y0, located in constellation Coma Berenices at approximately 33 light-years from Earth.
History of observations.
History of observations Discovery.
WISE 1217+1626 A was discovered in 2011 by J. Davy Kirkpatrick "et al." from data, collected by Wide-field Infrared Survey Explorer (WISE) Earth-orbiting satellite — NASA
binarity is not taken into account.
WISE 1217+1626 distance estimates
Space motion.
WISE 1217+1626 has proper motion of about 1455 milliarcseconds per year.
WISE 1217+1626 proper motion estimates
Physical properties.
Using three models, Liu "et al." calculated physical properties of WISE 1217+1626 components.
From Burrows "et al." (2003) models and M(J):
From Lyon/COND models and M(J):
From Lyon/COND models and L