83 Leonis Bb

83 Leonis Bb
Exoplanet List of exoplanets
Parent star
Star 83 Leonis B
Constellation Leo
Right ascension (α) 11h 26m 45.32s
Declination (δ) +3° 0′ 47.18″
Distance57.61 ly
(17.67 pc)
Spectral type K2V
Orbital elements
Semi-major axis(a) 0.12186 ± 0.00002[1] AU
Eccentricity (e) 0.13 ± 0.07[1]
Orbital period(P) 17.054 ± 0.003[1] d
Argument of
periastron		 (ω) 196 ± 32[1]°
Time of periastron (T0) 2,450,449 ± 2[1] JD
Semi-amplitude (K) 7.9 ± 0.6[1] m/s
Physical characteristics
Minimum mass(m sin i)0.087 ± 0.006[1] MJ
Discovery information
Discovery date 25 January 2005
Discoverer(s) Marcy,
Butler,
Vogt et al.
Discovery method Doppler spectroscopy
Discovery site  United States
Discovery status Confirmed
Other designations
HD 99492 b
Database references
Extrasolar Planets
Encyclopaedia		data
SIMBADdata
Exoplanet Archivedata
Open Exoplanet Cataloguedata

83 Leonis Bb, also catalogued as HD 99492 b or abbreviated 83 Leo Bb, is an extrasolar planet approximately 58 light-years away in the constellation of Leo (the Lion). The planet was discovered in January 2005 by the California and Carnegie Planet Search team, who use the Doppler spectroscopy method to detect planets.[2] It orbits in a close orbit around the star, completing one orbit in about 17 days.[1]

References

  1. 1 2 3 4 5 6 7 8 Stefano Meschiari; Gregory Laughlin; Steven S. Vogt; R. Paul Butler; Eugenio J. Rivera; Nader Haghighipour; Peter Jalowiczor (February 2011). "The Lick-Carnegie Survey: Four New Exoplanet Candidates". The Astrophysical Journal. 727 (2): 117. arXiv:1011.4068. Bibcode:2011ApJ...727..117M. doi:10.1088/0004-637X/727/2/117.
  2. ↑ Marcy, Geoffrey W.; et al. (January 2005). "Five New Extrasolar Planets". The Astrophysical Journal. 619 (1): 570–584. Bibcode:2005ApJ...619..570M. CiteSeerX 10.1.1.516.6667. doi:10.1086/426384.
  • "83 Leonis AB". SolStation. Archived from the original on 25 July 2008. Retrieved 2008-06-20.
  • "Notes for planet HD 99492 b". The Extrasolar Planets Encyclopaedia. Retrieved 2008-06-20.

Coordinates: 11h 26m 45.32s, +03° 00′ 47.18″


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