OGLE-2005-BLG-071L
OGLE-2005-BLG-071L is a distant, magnitude 19.5 galactic bulge star located in the constellation Scorpius, approximately 11000 light years away from the Solar System. The star is probably a red dwarf with a mass 46% of that of our Sun.[1]
| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Scorpius |
| Right ascension | 17h 50m 09.77s [1] |
| Declination | –34° 40′ 23.5″ [1] |
| Apparent magnitude (V) | 19.5 |
| Characteristics | |
| Spectral type | M5 [1] |
| Astrometry | |
| Distance | ~11000 ly (~3300 pc) |
| Details | |
| Mass | 0.46 ±0.04 M☉ |
| Other designations | |
EWS 2005-BUL-71, EWS 2005-BLG-71 | |
| Database references | |
| SIMBAD | data |
| Extrasolar Planets Encyclopaedia | data |
Planetary system
In 2005 an exoplanet was discovered orbiting this star by the microlensing method.[2]
| Companion (in order from star) |
Mass | Semimajor axis (AU) |
Orbital period (days) |
Eccentricity | Inclination | Radius |
|---|---|---|---|---|---|---|
| b | 3.8 +0.3 −0.4 or 3.4 ± 0.3 MJ |
3.6 ± 0.2 or 2.1 ± 0.1 |
— | — | — | — |
See also
- List of extrasolar planets
- Optical Gravitational Lensing Experiment or OGLE
References
- Dong, Subo; et al. (2009). "OGLE-2005-BLG-071Lb, the Most Massive M Dwarf Planetary Companion?". The Astrophysical Journal. 695 (2): 970–987. arXiv:0804.1354. Bibcode:2009ApJ...695..970D. doi:10.1088/0004-637X/695/2/970.
- Udalski, A.; et al. (2005). "A Jovian-Mass Planet in Microlensing Event OGLE-2005-BLG-071". The Astrophysical Journal. 628 (2): L109–L112. arXiv:astro-ph/0505451. Bibcode:2005ApJ...628L.109U. doi:10.1086/432795.
External links
- "OGLE-05-071L". Exoplanets. Archived from the original on 2012-04-01. Retrieved 2009-04-30.
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