WISE 0458+6434 [SEP] constellation
WISE 0458+6434
WISEPC J045853.90+643451.9 (designation is abbreviated to WISE 0458+6434) is a binary system of two (A and B) ultracool brown dwarfs of spectral classes T8.5 and T9.5, respectively, located in constellation Camelopardalis at approximately 47 ly from Earth.
History of observations.
History of observations Discovery.
WISE 0458+6434 A was discovered in 2010 by A. Mainzer "et al." from data, collected by Wide-field Infrared Survey Explorer (WISE) Earth-orbiting satellite —
of late T-type — T9.5 (initially was estimated as T9).
Distance.
Currently the most accurate distance estimate of WISE 0458+6434 is a trigonometric parallax, measured using Spitzer Space Telescope and published in 2013 by Trent Dupuy and Adam Kraus: 0.070 ± 0.019 arcsec, corresponding to a distance 14.3 pc, or 46.6 ly.
WISE 0458+6434 distance estimates
Space motion.
WISE 0458+6434 has proper motion of about 347 milliarcseconds per year.
WISE 0458+6434 proper motion