HD 63454

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HD 63454
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Chamaeleon
Right ascension 07h 39m 21.851s[1]
Declination −78° 16′ 44.31″[1]
Apparent magnitude (V) 9.40
Characteristics
Spectral type K4V
Astrometry
Proper motion (μ) RA: −20.82 ± 0.85[1] mas/yr
Dec.: −40.64 ± 0.94[1] mas/yr
Parallax (π) 28.95 ± 0.81[1] mas
Distance 113 ± 3 ly
(34.5 ± 1.0 pc)
Details
Mass 0.79 ± 0.02[2] M
Radius 0.72 ± 0.01[2] R
Luminosity 0.242 ± 0.003[2] L
Surface gravity (log g) 4.62 ± 0.02[2] cgs
Temperature 4788 ± 20[2] K
Age 2.7 ± 3.3[2] Gyr
Other designations
CD−77°298, HIP 37284
Database references
SIMBAD data

HD 63454 is a ninth magnitude K-type main sequence star located approximately 117 light-years away in the constellation of Chamaeleon. It is somewhat cooler and less luminous than our Sun. To see the star one needs a small telescope. It is located near the south celestial pole and is never visible north of latitude 12°N.

Planetary system[edit]

On Valentine’s Day 2005, a hot Jupiter HD 63454 b was found by Moutou, Mayor, and Bouchy using the radial velocity method.[3]

The HD 63454 planetary system[3]
Companion
(in order from star)
Mass Semimajor axis
(AU)
Orbital period
(days)
Eccentricity Inclination Radius
b >0.38 MJ 0.036 2.817822 ± 0.000095 0

See also[edit]

References[edit]

External links[edit]

Coordinates: Sky map 07h 39m 21.8511s, −78° 16′ 44.300″