HD 87883 b

HD 87883 b
Extrasolar planet List of extrasolar planets
Parent star
Star HD 87883
Constellation Leo Minor
Right ascension (α) 10h 08m 43.1395s
Declination (δ) +34° 14′ 32.135″
Apparent magnitude (mV) 7.56
Distance 59.0 ly
(18.1 pc)
Spectral type K0V
Orbital elements
Semimajor axis (a) 3.60 ± 0.08 AU
Periastron (q) 1.69 AU
Apastron (Q) 5.51 AU
Eccentricity (e) 0.53 ± 0.12
Orbital period (P) 2754 ± 87 d
(7.54 ± 0.24 y)
Argument of
periastron
(ω) 191 ± 15°
Time of periastron (T0) 11139 ± 90 JD
Physical characteristics
Minimum mass (m sin i) 1.78 ± 0.34 MJ
Discovery information
Discovery date August 13, 2009
Discoverer(s)
Detection method Radial velocity
Discovery status Published
Other designations
HIP 49699 b
Database references
Extrasolar Planets
Encyclopaedia
data
SIMBAD data

HD 87883 b is an extrasolar planet which orbits the K-type main sequence star HD 87883, located approximately 59 light years away in the constellation Leo Minor. It is a long-period planet, taking seven and a half years to orbit the star at the average distance of 3.60 AU. However this planet orbits in a very eccentric path, which ranges distance from as close as 1.69 AU to as far as 5.51 AU. This planet was detected by radial velocity method on August 13, 2009.[1]

References

  1. ^ Fischer et al.; Driscoll, Peter; Isaacson, Howard; Giguere, Matt; Marcy, Geoffrey W.; Valenti, Jeff; Wright, Jason T.; Henry, Gregory W. et al. (2009). "Five planets and an independent confirmation of HD 196885 Ab from Lick Observatory". The Astrophysical Journal 703: 1545–1556. arXiv:0908.1596. Bibcode 2009ApJ...703.1545F. doi:10.1088/0004-637X/703/2/1545. 

Coordinates: 10h 08m 43.1395s, +34° 14′ 32.135″