HD 63454
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| Observation data Epoch 2000 Equinox 2000 |
|
|---|---|
| Constellation | Chamaeleon |
| Right ascension | 07h 39m 21.8511s |
| Declination | –78° 16′ 44.300″ |
| Apparent magnitude (V) | 9.40 |
| Distance | 116.7 ly (35.80 pc) |
| Spectral type | K4V |
| Other designations | |
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.
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[edit] Planetary system
On Valentine’s Day 2005, a hot Jupiter HD 63454 b was found by Moutou, Mayor, and Bouchy using the radial velocity method.[1]
| Companion (in order from star) |
Mass | Semimajor axis (AU) |
Orbital period (days) |
Eccentricity |
|---|---|---|---|---|
| b | >0.38 MJ | 0.036 | 2.817822 ± 0.000095 | 0 |
[edit] See also
[edit] References
- ^ a b Moutou et al.; Mayor, M.; Bouchy, F.; Lovis, C.; Pepe, F.; Queloz, D.; Santos, N. C.; Udry, S. et al (2005). "The HARPS search for southern extra-solar planets IV. Three close-in planets around HD 2638, HD 27894 and HD 63454". Astronomy and Astrophysics 439 (1): 367–373. Bibcode 2005A&A...439..367M. doi:10.1051/0004-6361:20052826. http://www.aanda.org/articles/aa/full/2005/31/aa2826-05/aa2826-05.html.
[edit] External links
- "Notes for star HD 63454". The Extrasolar Planets Encyclopaedia. http://exoplanet.eu/star.php?st=HD+63454. Retrieved 2008-08-22.
- "HD 63454". Extrasolar Visions. http://www.extrasolar.net/planettour.asp?StarCatId=normal&StarId=244. Retrieved 2008-08-22.
Coordinates: 
07h 39m 21.8511s, −78° 16′ 44.300″
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