HD 101930

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HD 101930
Observation data
Epoch J2000      Equinox J2000
Constellation Centaurus
Right ascension 11h 43m 30.112s[1]
Declination –58° 00′ 24.79″[1]
Apparent magnitude (V) 8.21[2]
Characteristics
Spectral type K2V+[2]
Astrometry
Proper motion (μ) RA: 15.80 ± 0.78[1] mas/yr
Dec.: 347.90 ± 0.78[1] mas/yr
Parallax (π) 34.24 ± 0.81[1] mas
Distance 95 ± 2 ly
(29.2 ± 0.7 pc)
Details
Mass 0.74 ± 0.05 M
Temperature 5,079[3] K
Metallicity 0.17 ± 0.06
Age 5.39×109 years
Other designations
CD-57°4096, GJ 3683, HIP 57172, LTT 4350, NLTT 28356, SAO 239322
Database references
SIMBAD data
ARICNS data
Extrasolar Planets
Encyclopaedia
data

HD 101930 is a dim 8th magnitude star located approximately 95 light years away[1] in the constellation of Centaurus. It is an orange dwarf (spectral class K2V), somewhat dimmer and cooler than our Sun.[2]

Planetary system[edit]

In 2005, the discovery of a planet orbiting the star was announced. This is another discovery using the radial velocity method with the HARPS spectrograph.[4]

The HD 101930 planetary system[4]
Companion
(in order from star)
Mass Semimajor axis
(AU)
Orbital period
(days)
Eccentricity Inclination Radius
b 0.30 MJ 0.302 70.46 ± 0.18 0.11 ± 0.02

See also[edit]

References[edit]

External links[edit]

Coordinates: Sky map 11h 43m 30.11s, −58° 00′ 24.793″