2MASS J21392676+0220226

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2MASS J21392676+0220226
Observation data
Epoch J2000      Equinox J2000
Constellation Aquarius
Right ascension 21h 39m 26.769s[1]
Declination +02° 20′ 22.70″[1]
Characteristics
Spectral type T1.5[2]
Apparent magnitude (J) 14.710[2]
Apparent magnitude (H) 14.16[1]
Apparent magnitude (K) 13.58[1]
Astrometry
Parallax (π) 101.5 ± 2.0[3] mas
Distance 32.1 ± 0.6 ly
(9.9 ± 0.2 pc)
Other designations
CFBDS J213926+022023, 2MUCD 20912, WISEP J213927.09+022023.7
Database references
SIMBAD data

2MASS J21392676+0220226 is a brown dwarf 32 light years from earth.[4] Its surface is thought to be host to a massive storm.[5] It was discovered in the Two Micron All-Sky Survey (2MASS).

External links[edit]

  • Burgasser, Adam J.; Cruz, Kelle L.; Cushing, Michael; Gelino, Christopher R.; Looper, Dagny L.; Faherty, Jacqueline K.; Kirkpatrick, J. Davy; Reid, I. Neill (2009). "SpeX Spectroscopy of Unresolved Very Low-Mass Binaries. I. Identification of Seventeen Candidate Binaries Straddling the L Dwarf/T Dwarf Transition". The Astrophysical Journal. 710 (2): 1142. Bibcode:2010ApJ...710.1142B. arXiv:0912.3808Freely accessible. doi:10.1088/0004-637X/710/2/1142. 

References[edit]

  1. ^ a b c d Cutri, R. M. (2003). "2MASS All-Sky Catalog of Point Sources". VizieR On-line Data Catalog. Bibcode:2003yCat.2246....0C. 
  2. ^ a b "2MASS J21392676+0220226". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 19 December 2016. 
  3. ^ Smart, R. L. (2013). "NPARSEC: NTT Parallaxes of Southern Extremely Cool objects. Goals, targets, procedures and first results". Monthly Notices of the Royal Astronomical Society. 433 (3): 2054–2063. Bibcode:2013MNRAS.433.2054S. arXiv:1306.4527Freely accessible. doi:10.1093/mnras/stt876. 
  4. ^ Andrew Fazekas. "Colossal Storm May Rage on Jupiter-like 'Failed Star'".
  5. ^ Dean Praetorius. "Brown Dwarf May Be Host To Massive, Violent Mega Storm". The Huffington Post, 9/13/2011.