HD 196885 Ab

HD 196885 Ab
Exoplanet List of exoplanets
Parent star
Star HD 196885 A
Constellation Delphinus
Right ascension (α) 20h 39m 51.8756s
Declination (δ) +11° 14′ 58.737″
Distance112 ly
(34.3 pc)
Spectral type F8IV
Orbital elements
Semi-major axis(a) 2.30 AU
Periastron (q) 1.24 AU
Apastron (Q) 3.36 AU
Eccentricity (e) 0.462
Orbital period(P) 1349 d
(3.693 y)
Orbital speed (υ) 18.6 km/s
Argument of
periastron		 (ω) 91.4°
Time of periastron (T0) 2451236 JD
Semi-amplitude (K) 39.5 m/s
Physical characteristics
Minimum mass(m sin i)2.96 MJ
(941 M⊕)
Discovery information
Discovery date October 23, 2007
Discoverer(s) Correia et al.
Discovery method Doppler spectroscopy
(Swiss telescope)
Discovery site La Silla Observatory
Discovery status Published
Other designations
HIP 101966 b
Database references
Extrasolar Planets
Encyclopaedia		data
SIMBADdata
Exoplanet Archivedata
Open Exoplanet Cataloguedata

HD 196885 Ab (also referred to as HD 196885 b) is a jovian planet with at least 2.96 times the mass of Jupiter.[1][2] This planet was discovered on October 23, 2007.

References

  1. ↑ Correia, A. C. M.; Udry, S.; Mayor, M.; Eggenberger, A.; Naef, D.; Beuzit, J.-L.; Perrier, C.; Queloz, D.; Sivan, J.-P.; Pepe, F.; Santos, N. C.; Ségransan, D. (2008). "The ELODIE survey for northern extra-solar planets. IV. HD 196885, a close binary star with a 3.7-year planet". Astronomy and Astrophysics. 479 (1): 271–275. Bibcode:2008A&A...479..271C. doi:10.1051/0004-6361:20078908.
  2. ↑ Schneider, J. "Notes for star HD 196885". The Extrasolar Planets Encyclopaedia. Retrieved 2008-08-19.
  • "HD 196885". Exoplanets.

Coordinates: 20h 39m 51.8756s, +11° 14′ 58.737″


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