HD 63454

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HD 63454
Observation data
Epoch 2000
Constellation
(pronunciation)
Chamaeleon
Right ascension 7h 39m 21.85s
Declination -78° 16' 44.30"
Apparent magnitude (V) 9.40
Distance 116.7 ly
(35.80 pc)
Spectral type K4V
Other designations
CD-77°298, HIP 37284

HD 63454 is a dim tenth magnitude star in the constellation of Chamaeleon. It is an orange dwarf (spectral type K4 V), and 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.


[edit] HD 63454 b

HD 63454 b
Extrasolar planet List of extrasolar planets
Orbital elements
Semimajor axis (a) 0.036 AU
Eccentricity (e) 0
Orbital period (P) 2.81782±0.000095 d
Angular distance (θ) 1.006 mas
Time of periastron (T0) 2,453,111.129±0.005 JD
Semi-amplitude (K) 64.3 m/s
Physical characteristics
Mass (m) >0.38 MJ
Discovery information
Discovery date 2005
Discoverer(s) Moutou, Mayor,
Bouchy et al.
Detection method Radial velocity
Discovery status Published

HD 63454 b is an extrasolar planet orbiting the star HD 63454. It is at least a third as massive as Jupiter and orbits the star in a very close "torch orbit", even closer than the famous 51 Pegasi b.


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