Astronomy:MOA-2008-BLG-310L
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| Observation data Equinox J2000.0]] (ICRS) | |
|---|---|
| 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 |
| Extrasolar Planets Encyclopaedia | 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.
| 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. doi:10.1088/0004-637X/711/2/731. Bibcode: 2010ApJ...711..731J.
- 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. doi:10.1111/j.1365-2966.2012.21820.x. Bibcode: 2012MNRAS.426.1496I.
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