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HD 187123 b

Summary

HD 187123 b is a typical "hot Jupiter" located approximately 150 light-years away in the constellation of Cygnus, orbiting the star HD 187123. It has a mass about half that of Jupiter and it orbits in a very tight, round orbit around the star every three days.[2][3]

HD 187123 b
Discovery
Discovered byButler, Marcy,
Vogt, Apps et al.
Discovery siteCalifornia, United States
Discovery date9 September 1998
radial velocity
Orbital characteristics
0.04213±0.00034 AU
Eccentricity0.0093±0.0046[1]
3.0965828±0.0000043[1] d
2454342.87±0.30[1]
360±200[1]
Semi-amplitude68.91±0.36[1]
StarHD 187123

The star has also been monitored for possible transits by the planet, but none was found.

The presence of water has been detected in the atmosphere of HD 187123 b with high confidence.[4]

See also edit

References edit

  1. ^ a b c d e Feng, Y. Katherina; et al. (2015). "The California Planet Survey IV: A Planet Orbiting the Giant Star HD 145934 and Updates to Seven Systems with Long-period Planets". The Astrophysical Journal. 800 (1). 22. arXiv:1501.00633. Bibcode:2015ApJ...800...22F. doi:10.1088/0004-637X/800/1/22. S2CID 56390823.
  2. ^ Butler, R. Paul; et al. (1998). "A Planet with a 3.1 Day Period around a Solar Twin". Publications of the Astronomical Society of the Pacific. 110 (754): 1389–1393. Bibcode:1998PASP..110.1389B. doi:10.1086/316287.
  3. ^ Wright, J. T.; et al. (2009). "Ten New and Updated Multi-planet Systems, and a Survey of Exoplanetary Systems". The Astrophysical Journal. 693 (2): 1084–1099. arXiv:0812.1582. Bibcode:2009ApJ...693.1084W. doi:10.1088/0004-637X/693/2/1084. S2CID 18169921.
  4. ^ Buzard, Cam; et al. (July 2020). "Simulating the Multi-epoch Direct Detection Technique to Isolate the Thermal Emission of the Non-transiting Hot Jupiter HD187123b". The Astronomical Journal. 160 (1): 13. arXiv:2005.03020. Bibcode:2020AJ....160....1B. doi:10.3847/1538-3881/ab8f9c. S2CID 218538482. 1.

External links edit

  • "Notes for planet HD 187123 b". Extrasolar Planets Encyclopaedia. Retrieved 2008-08-25.
  • "HD 187123". Exoplanets. Archived from the original on 2009-11-24. Retrieved 2008-08-25.