2MASS J11193254–1137466 AB
2MASS J11193254–1137466 AB (often shortened to 2MASS J1119–1137 AB) is a planetary mass binary located 86±23 light-years from the Earth in the constellation Crater. The components of 2MASS J1119–1137 are each roughly four Jupiter masses. The planetary-mass objects are probably a part of the TW Hydrae association which has an age of approximately 10 million years. The planetary-mass objects are candidate rogue planets.
Observation data Epoch J2000 Equinox J2000 | |
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Constellation | Crater |
Right ascension | 11h 19m 32.543s |
Declination | −11° 37′ 46.70″ |
Characteristics | |
Evolutionary stage | Sub-brown dwarf |
Spectral type | L7red |
Apparent magnitude (H) | 15.61±0.14 |
Apparent magnitude (K) | 14.62±0.11 |
Details | |
Mass | ~5-10 MJup |
Luminosity (bolometric) | 0.00004 (total luminosity) L☉ |
Other designations | |
WISE J111932.43-113747.7, TWA 42, TIC 453454626 | |
Database references | |
SIMBAD | data |
Discovery | |
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Discovery date | 2016 |
Detection method | Imaging |
Designations | |
Alternative names | WISE J111932.43-113747.7, 2MASS J11193254-1137466 |
Orbital characteristics | |
Semi-major axis | 3.6 ± 0.9 AU |
Orbital period (sidereal) | 90+80 −50 years |
Physical characteristics | |
Mass | ~5–10 MJ |
Spectral type | L7red |
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