HD 20868

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HD 20868
Observation data
Epoch J2000      Equinox J2000
Constellation Fornax
Right ascension 03h 20m 42.69s[1]
Declination −33° 43′ 48.4″[1]
Apparent magnitude (V) 10.1
Characteristics
Spectral type K3/K4IV[2]
Apparent magnitude (B) ~12.1[2]
Apparent magnitude (J) 8.138 ± 0.032[2]
Apparent magnitude (H) 7.641 ± 0.031[2]
Apparent magnitude (K) 7.543 ± 0.015[2]
Astrometry
Proper motion (μ) RA: 293.32 ± 0.99[1] mas/yr
Dec.: 94.07 ± 1.13[1] mas/yr
Parallax (π) 21.64 ± 1.38[1] mas
Distance 151 ± 10 ly
(46 ± 3 pc)
Details
Mass 0.78 ± 0.03 M
Radius 0.79 R
Temperature 4795 ± 12.4 K
Metallicity [Fe/H] 0.04 ± 0.1 dex
Other designations
HIP 15578, CD−34 1218, LTT 1589, 2MASS J03204266-3343484, PPM 278952
Database references
SIMBAD data
Exoplanet Archive data
Extrasolar Planets
Encyclopaedia
data

HD 20868 is a low-mass K type star in the southern constellation Fornax. It is a 10th magnitude star at a distance of about 151 light years from Earth.[1]

Planetary system[edit]

In October 2008 a planet, HD 20868 b, was discovered. This object was detected using the radial velocity method by search programs conducted using the HARPS spectrograph.[3]

The HD 20868 planetary system[3]
Companion
(in order from star)
Mass Semimajor axis
(AU)
Orbital period
(days)
Eccentricity Inclination Radius
b ≥1.99 ± 0.05 MJ 0.947 ± 0.012 380.85 ± 0.09 0.75 ± 0.002

See also[edit]

References[edit]

External links[edit]

Coordinates: Sky map 03h 20m 42.694s, −33° 43′ 48.37″