Wikipedia
OGLE-2005-BLG-071L
OGLE-2005-BLG-071L is a distant, magnitude 19.5 galactic bulge star located in the constellation Scorpius, approximately 11,000 light years away from the Solar System. The star is probably a red dwarf with a mass 43% of that of the Sun.
| 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 | 3,500±300[2] pc |
| Details | |
| Mass | 0.426±0.037[2] 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,[3] the second planet found by this method.[2] The planet was later confirmed by the Keck telescope and its properties were refined.[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
References
- ^ a b c d 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. S2CID 119186629.
- ^ a b c d Bennett, David P.; Bhattacharya, Aparna; Beaulieu, Jean-Philippe; Blackman, Joshua W.; Vandorou, Aikaterini; Terry, Sean K.; Cole, Andrew A.; Henderson, Calen B.; Koshimoto, Naoki; Lu, Jessica R.; Baptiste Marquette, Jean; Ranc, Clément; Udalski, Andrzej (2020). "Keck Observations Confirm a Super-Jupiter Planet Orbiting M Dwarf OGLE-2005-BLG-071L". The Astronomical Journal. 159 (2): 68. arXiv:1909.04740. Bibcode:2020AJ....159...68B. doi:10.3847/1538-3881/ab6212. S2CID 202558435.
- ^ 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. S2CID 7425167.
External links
- . Exoplanets. Archived from the original on 2012-04-01. Retrieved 2009-04-30.