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 type	G?V
Astrometry
Distance	>20000  ly (>6000  pc)
Details
Mass	0.67  M☉
Database references
SIMBAD	data
Exoplanet Archive	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.

Planetary system

In 2009 during a 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	Mass	Observed separation (AU)
b	0.23 ± 0.05 MJ	1.25 ± 0.1

See also

• MOA-2007-BLG-192L
• OGLE-2005-BLG-390L
• List of extrasolar planets

References

• Janczak, Julia; et al. (2010). "Sub-Saturn Planet MOA-2008-BLG-310Lb: Likely To Be In The Galactic Bulge". The Astrophysical Journal . 711 (2): 731–743. arXiv: 0908.0529 . Bibcode:2010ApJ...711..731J. doi:10.1088/0004-637X/711/2/731. S2CID   119217995.
• Ingrosso, G.; Calchi Novati, S.; De Paolis, F.; Jetzer, Ph.; Nucita, A. A.; Strafella, F.; Zakharov, A. F. (2012). "Polarization in microlensing events towards the Galactic bulge". Monthly Notices of the Royal Astronomical Society. 426 (2): 1496. arXiv: 1208.0174 . Bibcode:2012MNRAS.426.1496I. doi: 10.1111/j.1365-2966.2012.21820.x . S2CID   118594156.