HD 131664

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HD 131664
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Apus
Right ascension 15h 00m 06.0762s
Declination –73° 32′ 07.213″
Apparent magnitude (V) 8.13
Distance 180.8 ± 7.5 ly
(55.43 ± 2.3 pc)
Spectral type G3V
Other designations
CD–73° 1031, HIP 73408
Database references
SIMBAD data
Exoplanet Archive data
Extrasolar Planets
Encyclopaedia
data

HD 131664 is an 8th magnitude G-type main sequence star located approximately 181 light-years away in the constellation of Apus.

On October 26, 2008, a brown dwarf was discovered along with five other planets (BD-17°63 b, HD 145377 b, HD 153950 b, HD 73267 b, and HD 20868 b). This brown dwarf has mass of at least 18.15 times that of Jupiter and orbits in a long-period, eccentric orbit.[1]

The HD 131664 planetary system[1]
Companion
(in order from star)
Mass Semimajor axis
(AU)
Orbital period
(days)
Eccentricity Inclination Radius
b ≥18.15 ± 0.35 MJ 3.17 ± 0.03 1951 ± 41 0.638 ± 0.02

See also[edit]

References[edit]