UGPS J0521+3640

Coordinates: 05h 21m 27.27s, +36° 40′ 48.6″

UGPS J0521+3640
Observation data
Epoch 2007.82[1]      Equinox J2000[1]
Constellation Auriga
Right ascension 05h 21m 27.27s[1]
Declination +36° 40′ 48.6″[1]
Characteristics
Spectral type T8.5[1]
Apparent magnitude (J (UKIDSS filter system)) 16.94 ± 0.02[1]
Apparent magnitude (H (UKIDSS filter system)) 17.28 ± 0.04[1]
Apparent magnitude (K (UKIDSS filter system)) 17.32 ± 0.09[1]
Astrometry
Proper motion (μ) RA: 513[1] mas/yr
Dec.: −1507[1] mas/yr
Distance26.7+3.9
−3.3[1] ly
(8.2+1.2
−1.0[1] pc)
Details
Mass14—32[1] MJup
Radius0.8—1.0[1] RJup
Surface gravity (log g)4.5—5.0[1] cgs
Temperature600—650[1] K

UGPS J0521+3640 is a nearby brown dwarf of spectral class T8.5, located in constallation Auriga. It was discovered in 2011 using United Kingdom Infrared Telescope (UKIRT), UKIRT Infrared Deep Sky Survey (UKIDSS), UGPS (UKIDSS Galactic Plane Survey) component, 6th data release.[1]

Its photometric distance estimate is 8.2+1.2
−1.0 pc, or 26.7+3.9
−3.3 ly.[1]

See also

References

  1. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 Burningham, Ben; Lucas; Leggett; Smart; Baker; Pinfield; Tinney; Homeier; Allard; Zhang; Gomes; Day-Jones; Jones; Kovacs; Lodieu; Marocco; Murray; Sipocz (2011). "The discovery of the T8.5 dwarf UGPS J0521+3640". arXiv:1104.1526v3 [astro-ph.SR].
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