MOA-2008-BLG-310L

MOA-2008-BLG-310L

MOA-2008-BLG-310L
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Scorpius
Right ascension 17h 54m 14.53s
Declination –34° 46′ 41.0″
Apparent magnitude (V)23.38
Characteristics
Spectral typelate K?
Astrometry
Distance>20000 ly
(>6000 pc)
Details
Mass0.67 M
Database references
data

MOA-2008-BLG-310L is a 23rd magnitude star located at least 20000 light years away in the constellation Scorpius. This star has mass 0.67 solar masses which imply that it could probably be a late K-type star. In 2009 during the microlensing event, a planet was found orbiting this star at a distance of 1.25 AU and has mass 0.23 times that of Jupiter.

The MOA-2008-BLG-310L system
Companion MassObserved separation
(AU)
b0.23 ± 0.05 MJ1.25 ± 0.1

See also

References

  • web preprint