WASP-18
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| Observation data Epoch J2000.0[1] Equinox |
|
|---|---|
| Constellation | Phoenix[2] |
| Right ascension | 01h 37m 24.95s[2] |
| Declination | -45° 40′ 40.8″[2] |
| Apparent magnitude (V) | 9.29[2] |
| Other designations | |
|
HD 10069, HIP 7562, PPM 306061, SAO 215585
|
|
| Database references | |
| SIMBAD | data |
| Exoplanet Archive | data |
| Extrasolar Planets Encyclopaedia |
data |
WASP-18 is a magnitude 9 star located in the Phoenix constellation of the southern hemisphere.[2] It has a mass of 1.25 solar masses[3].
[edit] Planetary system
In 2009 SuperWASP project announced that a large hot Jupiter type extrasolar planet, WASP-18b, was orbiting very close to this star.[1]
| Companion (in order from star) |
Mass | Semimajor axis (AU) |
Orbital period (days) |
Eccentricity |
|---|---|---|---|---|
| b | ~10[1] MJ | 0.020206 | 0.94145299[2] | 0.0092 |
[edit] References
- ^ a b c Hellier, C; Anderson, DR; Cameron, AC; Gillon, M; Hebb, L; Maxted, PF; Queloz, D; Smalley, B et al (2009-08-27). "An orbital period of 0.94 days for the hot-Jupiter planet WASP-18b". Nature (Nature Publishing Group) 460 (7259): 1098–1100. Bibcode 2009Natur.460.1098H. doi:10.1038/nature08245. PMID 19713926. http://www.nature.com/nature/journal/v460/n7259/full/nature08245.html.
- ^ a b c d e f "WASP-18b". Exoplanet Transit Database. http://var2.astro.cz/ETD/etd.php?STARNAME=WASP-18&PLANET=b. Retrieved 2009-08-29.
- ^ PlanetQuest: WASP-18 b
[edit] See also
Coordinates: 
01h 37m 25s, −45° 40′ 41″
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