WASP-8
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Sculptor |
| Right ascension | 23h 59m 36.07s |
| Declination | −35° 01′ 52.9″ |
| Apparent magnitude (V) | 9.9 |
| Characteristics | |
| Spectral type | G6 |
| Astrometry | |
| Distance | 284 ± 23[1] ly (87 ± 7[1] pc) |
| Details | |
| Mass | 0.93 M☉ |
| Radius | 0.93 R☉ |
| Luminosity | 0.79 L☉ |
| Temperature | 5600 K |
| Other designations | |
| TYC 7522-505-1, WDS J23596-3502A[2] | |
WASP-8 is a magnitude 9.9 main sequence yellow dwarf star. It is reported to be a G type star of temperature 5600 K, mass of 0.93 solar masses, radius of 0.93 solar radius, and a luminosity of 0.79 of solar luminosity.
Planetary system
The star is orbited by one known extrasolar planet, designated WASP-8b. It was cataloged as part of the SuperWASP mission and discovered by the astronomical transit method.[1]
| Companion (in order from star) |
Mass | Semimajor axis (AU) |
Orbital period (days) |
Eccentricity | Inclination | Radius |
|---|---|---|---|---|---|---|
| b | 2.23 MJ | 0.0793 | 8.16 | — | — | — |
See also
References
- ^ a b c Queloz, D.; et al. (2010). "WASP-8b: a retrograde transiting planet in a multiple system". Astronomy and Astrophysics. 517. L1. arXiv:1006.5089. Bibcode:2010A&A...517L...1Q. doi:10.1051/0004-6361/201014768.
- ^ "NAME WASP-8 A -- Star in double system". SIMBAD Astronomical Database. Centre de données astronomiques de Strasbourg. Retrieved 2014-09-29.
External links
- WASP planets
- "Notes for star WASP-8". The Extrasolar Planets Encyclopaedia. Retrieved 2008-08-07.
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