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.

External links

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


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