WISE 1639-6847 [SEP] constellation
WISE 1639−6847
WISE J163940.83−684738.6 (designation is abbreviated to WISE 1639−6847, or W1639) is a brown dwarf of spectral class Y0-Y0.5, located in constellation Triangulum Australe (it's the nearest star / brown dwarf in this constellation) at approximately 16 light-years from Earth.
Discovery.
WISE 1639−6847 was discovered in 2012 by C. G. Tinney "et al." from data, collected by Wide-field Infrared Survey Explorer (WISE) Earth-orbiting satellite — NASA infrared-wavelength 40 cm (16
al." published a paper in "The Astrophysical Journal", where they presented discovery of a newfound by WISE Y-type brown dwarf WISE 1639−6847 (the only brown dwarf discovery, presented in the article): the paper was accepted for publication on 20 September 2012, submitted to arXiv on 27 September 2012, and published in November 2012.
Physical properties.
WISE 1639−6847 has absolute magnitude in "J"-band 22.14 ± 0.22.
See also.
- List of nearest stars and brown dwarfs