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MOA-2008-BLG-310L

Summary

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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.

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
Mass0.67 M☉
Database references
SIMBADdata
Exoplanet Archivedata

Planetary system edit

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 MassObserved separation
(AU)
b0.23 ± 0.05 MJ1.25 ± 0.1

See also edit

References edit

  • 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.