MOA-2011-BLG-262L

Artist's impression showing the two models of the MOA-2011-BLG-262L system
Observation data Epoch J2000       Equinox J2000
Constellation	Sagittarius [1]
Right ascension	18h 00m 23.48s [2]
Declination	−31° 14′ 42.93″ [2]
Astrometry
Distance	~1,800 or ~23,000  ly (~560 or ~7,200 [2]  pc)
Details [2]
Mass	0.11+0.21 −0.06 or 0.003  M☉
Mass	115.2327 or 3.6+2.0 −1.7  MJup
Database references
SIMBAD	data

MOA-2011-BLG-262L is an astronomical object of uncertain nature with an orbiting companion, detected through the gravitational microlensing event MOA-2011-BLG-262 in the constellation Sagittarius. Two different models fit the observation equally well - an object of ~3.2  M_J, likely a rogue planet, at a distance of about 0.56 kiloparsecs (1,800 light-years) and orbited by a ~0.47  M_🜨 exomoon; or an object of ~0.11  M_☉, likely a red dwarf star, at a distance of about 7.2 kiloparsecs (23,000 light-years) in the galactic bulge, and orbited by a ~17 M_🜨 planet. The discovery team considers the latter scenario to be more likely, but the former is a better fit. ^{[2] [3]}

Planetary system

References

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