2MASS J12095613−1004008

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2MASS J12095613−1004008
Observation
dates equinoxJ2000.0 , epoch : J2000.0
Constellation Virgo
Right ascension 12 h 09 m 56.1 s
declination 1899599−10 ° 04 ′ 01 ″
Apparent brightness (J-band, common) 15.6 mag
Spectral class A: T2.0 ± 0.5
B: T7.5 ± 0.5
Astrometry
parallax 47 ± 11 mas
distance about 20 pc
Individual data
Apparent brightness (J-band) A: 15.80 ± 0.05 mag
B: 17.27 ± 0.17 mag

2MASS J12095613−1004008 , 2MASS J1209-1004 for short , is a double system of two T-dwarfs in the constellation Virgo . The components are angularly spaced 0 ″, 14.

literature

  • Burgasser, Adam J .; et al .: The 2MASS Wide-Field T Dwarf Search. III. Seven New T Dwarfs and Other Cool Dwarf Discoveries . In: The Astronomical Journal, Volume 127, 2004, Number 5, pp. 2856-2870. bibcode : 2004AJ .... 127.2856B (English)