astro.wikisort.org - StarOGLE-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.
OGLE-2005-BLG-071L
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 |
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Distance | 3,500±300[2] pc |
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Details |
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Mass | 0.426±0.037[2] M☉ |
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Other designations |
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EWS 2005-BUL-71, EWS 2005-BLG-71 |
Database references |
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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]
The OGLE-2005-BLG-071L planetary system[1]
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. S2CID 119186629.
- 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
Constellation of Scorpius |
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Stars | |
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Nebulae | |
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Galaxies | |
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На других языках
[de] OGLE-2005-BLG-071L
OGLE-2005-BLG-071L ist ein 9500 Lichtjahre von der Erde entfernter roter Zwerg mit einer Rektaszension von 17h 50m 09s und einer Deklination von −34° 40' 13". Er besitzt eine scheinbare Helligkeit von 19,5 mag. Im Jahre 2005 entdeckte Andrzej Udalski einen extrasolaren Planeten, der diesen Stern umkreist. Dieser trägt den Namen OGLE-2005-BLG-071L b.
- [en] OGLE-2005-BLG-071L
[es] OGLE-2005-BLG-071L
OGLE-2005-BLG-071L Es una estrella distante, de magnitud aparente 19,5; que se encuentra a unos 10 000 años luz de la Tierra,[2] en la Constelación de Pialased.
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