WISE J2209+2711

Coordinates: Sky map 22h 09m 05.734s, +27° 11′ 44.00″

WISE J2209+2711 is a brown dwarf of spectral type Y0:,[1] located in constellation Pegasus at 22 light-years from Earth.[3] Its discovery was published in 2014 by Cushing et al.[1]

WISE J220905.73+271143.9
Observation data
Epoch J2000      Equinox J2000
Constellation Pegasus
Right ascension 22h 09m 05.734s
Declination +27° 11′ 44.00″
Evolutionary stage brown dwarf
Spectral type Y0[1]
Parallax (π)161.7 ± 2.0 mas[2]
Distance20.2 ± 0.2 ly
(6.18 ± 0.08 pc)
Other designations
WISE J220905.73+271143.9[1]
Database references
WISE J2209+2711 is located in the constellation Pegasus
WISE J2209+2711 is located in the constellation Pegasus
WISE J2209+2711
Location of WISE J2209+2711 in the constellation Pegasus

See alsoEdit


  1. ^ a b c d Cushing, Michael C.; Kirkpatrick, J. Davy; Gelino, Christopher R.; Mace, Gregory N.; Skrutskie, Michael F.; Gould, Andrew (2014). "Three New Cool Brown Dwarfs Discovered with the Wide-field Infrared Survey Explorer (WISE) and an Improved Spectrum of the Y0 Dwarf WISE J041022.71+150248.4". The Astronomical Journal. 147 (5): 113. arXiv:1402.1378. Bibcode:2014AJ....147..113C. doi:10.1088/0004-6256/147/5/113.
  2. ^ Kirkpatrick, J. Davy; Gelino, Christopher R.; Faherty, Jacqueline K.; Meisner, Aaron M.; Caselden, Dan; Schneider, Adam C.; Marocco, Federico; Cayago, Alfred J.; Smart, R. L.; Eisenhardt, Peter R.; Kuchner, Marc J. (2021). "The Field Substellar Mass Function Based on the Full-sky 20 pc Census of 525 L, T, and y Dwarfs". The Astrophysical Journal Supplement Series. 253 (1): 7. arXiv:2011.11616. Bibcode:2021ApJS..253....7K. doi:10.3847/1538-4365/abd107. S2CID 227126954.
  3. ^ Beichman, C.; Gelino, Christopher R.; Kirkpatrick, J. Davy; Cushing, Michael C.; Dodson-Robinson, Sally; Marley, Mark S.; Morley, Caroline V.; Wright, E. L. (2014). "WISE Y Dwarfs As Probes of the Brown Dwarf-Exoplanet Connection". The Astrophysical Journal. 783 (2): 68. arXiv:1401.1194v2. Bibcode:2014ApJ...783...68B. doi:10.1088/0004-637X/783/2/68.