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2MASS J11193254−1137466

Coordinates: Sky map 11h 19m 32.543s, −11° 37′ 46.70″
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2MASS J11193254-1137466
Observation data
Epoch J2000      Equinox J2000
Constellation Crater
Right ascension 11h 19m 32.543s[1]
Declination −11° 37′ 46.70″[1]
Characteristics
Evolutionary stage Sub-brown dwarf
Spectral type L7red[1]
Apparent magnitude (H) 15.61±0.14[1]
Apparent magnitude (K) 14.62±0.11[1]
Details
Mass~4–8 MJup
Other designations
WISE J111932.43-113747.7
Database references
SIMBADdata

2MASS J11193254–1137466[2] (often shortened to 2MASS J1119–1137) is a planetary mass binary[3][4] located approximately 95 light-years from the Earth in the constellation Hydra. The components of 2MASS J1119–1137 are each roughly four Jupiter masses, and have an age of approximately 10 million years. The exoplanet is also a part of the TW Hydrae association.[5] Its discovery was announced on 6 April 2016 by the Carnegie Institution for Science and University of western ontario of Ontario, Canada.

External videos
video icon Western-led astronomy team discovers Jupiter analogue among young stars, 2016, from YouTube posted by Western University YouTube channel.

See also

References

  1. ^ a b c d e "2MASS J11193254-1137466". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 3 Jun 2017.
  2. ^ "Free-Floating Giant Planet Analog Found 95 Light-Years Away". Retrieved 2016-04-22.
  3. ^ Best, William M. J.; Liu, Michael C.; Dupuy, Trent J.; Magnier, Eugene A. (2017). "The Young L Dwarf 2MASS J11193254-1137466 is a Planetary-Mass Binary". arXiv:1706.01883. {{cite journal}}: Cite journal requires |journal= (help)
  4. ^ Schilling, Govert. "Mistaken brown dwarf is actually two planets orbiting each other". New Scientist. Retrieved 23 June 2017.
  5. ^ "YOUNG, UNATTACHED JUPITER ANALOG FOUND IN SOLAR NEIGHBORHOOD". Western University. Retrieved 2016-04-22.


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