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OGLE-2005-BLG-071L

Summary

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.

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
Distance3,500±300[2] pc
Details
Mass0.426±0.037[2] M☉
Other designations
EWS 2005-BUL-71, EWS 2005-BLG-71
Database references
SIMBADdata

Planetary system edit

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 edit

References edit

  1. ^ 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.
  2. ^ 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.
  3. ^ 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 edit

  • "OGLE-05-071L". Exoplanets. Archived from the original on 2012-04-01. Retrieved 2009-04-30.