HD 142022

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HD 142022
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Octans
Right ascension 16h 10m 15.0238s
Declination −84° 13′ 53.802″
Apparent magnitude (V) 7.69
Absolute magnitude (V) 4.91
Distance 117 ly
(35.9 pc)
Spectral type G9V
Other designations
CD−83 202, GC 21507, GCRV 65757, Gl 606.1, GJ 9536, HIP 79242, LTT 6382, SAO 258738
Database references
SIMBAD data
ARICNS data
Extrasolar Planets
Encyclopaedia
data

HD 142022 is a binary star system[citation needed] located in the southernmost constellation of Octans located at a distance of 117 ly. The primary star (HD 142022 A) has a spectral type of G9V and has apparent magnitude of 7.69. Its mass is 1% less than the Sun but the radius is only 70.5%. The star is old, only 400 million years younger than the Universe itself. It is a Population I star with metallicity of 55% greater than solar.

The primary star has a single known planet, discovered in 2005.

The HD 142022 planetary system
Companion
(in order from star)
Mass Semimajor axis
(AU)
Orbital period
(days)
Eccentricity Inclination Radius
b >4.47 MJ 2.93 1928 ± 46 0.53 ± 0.20

See also[edit]

References[edit]

External links[edit]

Coordinates: Sky map 16h 10m 15.0238s, −84° 13′ 53.802″