HD 73534 b

HD 73534 b
Exoplanet List of exoplanets
Parent star
Star HD 73534
Constellation Cancer
Right ascension (α) 08h 39m 15.8035s
Declination (δ) +12° 57 37.351
Apparent magnitude (mV) 8.24
Distance316.34 ly
(96.99 pc)
Spectral type G5IV
Orbital elements
Semi-major axis(a) 3.15 AU
Periastron (q) 3.01 AU
Apastron (Q) 3.29 AU
Eccentricity (e) 0.046 ± 0.08
Orbital period(P) 1800 ± 110 d
(4.9 ± 0.3 y)
Argument of
periastron
(ω) 59 ± 92°
Time of periastron (T0) 2453120 ± 830 JD
Physical characteristics
Minimum mass(m sin i)1.15 MJ
Discovery information
Discovery date August 12, 2009
Discoverer(s) Valenti et al.[1]
Discovery method Radial velocity
Discovery site Keck Observatory
Discovery status Published[1]
Other designations
HIP 42446 b
Database references
Extrasolar Planets
Encyclopaedia
data
SIMBADdata
Exoplanet Archivedata
Open Exoplanet Cataloguedata

HD 73534 b is an extrasolar planet which orbits the G-type subgiant star HD 73534, located approximately 316 light years away in the constellation Cancer. It is at least 15% more massive than Jupiter and orbits at an average distance of 3.15 AU and takes 4.9 years to complete the orbit in a nearly circular path with an eccentricity similar to Jupiter.[1] This planet was detected by radial velocity method on August 12, 2009.

References

  1. 1 2 3 Valenti, Jeff A.; et al. (2009). "Two Exoplanets Discovered at Keck Observatory". The Astrophysical Journal. 702 (2): 989–997. arXiv:0908.1612Freely accessible. Bibcode:2009ApJ...702..989V. doi:10.1088/0004-637X/702/2/989.

Coordinates: 08h 39m 15.8035s, +12° 57′ 37.351″


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