Astronomy:HD 183263 c

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Short description: Extrasolar planet in the constellation Aquila
HD 183263 c
Discovery
Discovered byWright et al.[1]
Discovery siteLick and Keck Observatories
Discovery dateDecember 8, 2008
Doppler spectroscopy
Orbital characteristics
5.69±0.11 AU
Eccentricity0.051±0.010[2]
Orbital period4684±71[2] d
astron|astron|helion}}2450430±310[2]
299±22[2]
Semi-amplitude77.5±1.1[2]
StarHD 183263


HD 183263 c is an exoplanet orbiting approximately 4.25 AU from the parent star HD 183263. This planet was announced by Wright et al. on December 8, 2008 using multiple observations in Lick and Keck Observatories earlier in that year. This planet was calculated to have minimum mass of 3.82 times more than Jupiter and takes 8.08 years to revolve around the star. The orbital distance varies from 3.17 to 5.33 AU, corresponding to the orbital eccentricity of 0.253.[1]

A 2022 study estimated the true mass of HD 183263 c at about 9.31 |♃|J}}}}}} via astrometry, although this estimate is poorly constrained.[3]

See also

References

  1. ↑ 1.0 1.1 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. doi:10.1088/0004-637X/693/2/1084. Bibcode: 2009ApJ...693.1084W. 
  2. ↑ 2.0 2.1 2.2 2.3 2.4 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. doi:10.1088/0004-637X/800/1/22. Bibcode: 2015ApJ...800...22F. 
  3. ↑ Feng, Fabo et al. (August 2022). "3D Selection of 167 Substellar Companions to Nearby Stars". The Astrophysical Journal Supplement Series 262 (21): 21. doi:10.3847/1538-4365/ac7e57. Bibcode: 2022ApJS..262...21F. 

External links

Coordinates: Sky map 19h 28m 24.5727s, +08° 21′ 28.995″



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