2MASS J15500845 + 1455180

from Wikipedia, the free encyclopedia
Brown dwarf
2MASS J15500845 + 1455180
Observation
dates equinoxJ2000.0 , epoch : J2000.0
Constellation Snake
Right ascension 15 h 50 m 8.45 s
declination + 14 ° 55 ′ 18 ″
Apparent brightness ~ 15 (J) likes
distance ~ 70  ly
(~ 20  pc )
Typing
Spectral class L2
Physical Properties
Other names
and catalog entries
Further designations:

2MASSI J15500845 + 1455180
2MUCD 11452

2MASS J15500845 + 1455180 is a brown dwarf in the constellation Snake, about 70 light years from Earth . It was published in 2007 by Kelle L. Cruz et al. discovered.

It belongs to the spectral class L2. Its position shifts by 0.16504 arc seconds annually due to its own motion .

Web links

  • Entry at DwarfArchives.org (English)
  • Cruz, Kelle L .; et al .: Meeting the Cool Neighbors. IX. The Luminosity Function of M7-L8 Ultracool Dwarfs in the Field. In: The Astronomical Journal, 2007, Volume 133, Number 2, pp. 439-467. bibcode : 2007AJ .... 133..439C (English)