MOA-2007-BLG-400L
| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Sagittarius |
| Right ascension | 18h 09m 42s |
| Declination | –29° 13′ 27″ |
| Characteristics | |
| Spectral type | M3V? |
| Astrometry | |
| Distance | 20000 ly (6000 pc) |
| Details | |
| Mass | 0.35 ± 0.15 M☉ |
| Database references | |
| Extrasolar Planets Encyclopaedia | data |
MOA-2007-BLG-400L is a star located approximately 20000 light-years away in the constellation of Sagittarius. This star is presumed to be a red dwarf with a spectral type of M3V, based on its mass of 0.35 MS.
Planetary system
In September 2008, the discovery of an extrasolar planet was announced by the Microlensing Follow Up Network (μFUN) and the Microlensing Observations in Astrophysics (MOA) Collaboration. This planet was detected by the gravitational microlensing method based on an event recorded in September 2007.
| Companion | Mass | Observed separation (AU) |
| b | 0.9 ± 0.4 MJ | 0.85 ± 0.25 |
See also
References
- Dong, Subo; et al. (2009). "Microlensing Event MOA-2007-BLG-400: Exhuming the Buried Signature of a Cool, Jovian-Mass Planet" (abstract). The Astrophysical Journal. 698 (2): 1826–1837. arXiv:0809.2997
. Bibcode:2009ApJ...698.1826D. doi:10.1088/0004-637X/698/2/1826.web preprint
External links
Coordinates: 
18h 09m 42s, −29° 13′ 27″
This article is issued from Wikipedia - version of the 9/10/2016. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.