 "Hot Jupiter" exoplanet WASP-31b (artist concept) | |
| Discovery | |
|---|---|
| Discovered by | Anderson, D.R. et al.[1] |
| Discovery site | WASP[2] |
| Discovery date | 2010[2] |
| Primary transit[2] | |
| Orbital characteristics | |
| 0.04657±0.00034 AU | |
| Eccentricity | 0[2] |
| 3.40591[2] d | |
| Inclination | 84.54±0.027[2] |
| Star | WASP-31[2] |
| Physical characteristics | |
| 1.537±0.06[2] RJ | |
| Mass | 0.478±0.03[2] MJ |
WASP-31b is a low-density (puffy) "hot Jupiter" extrasolar planet orbiting the metal-poor (63% of solar metallicity) dwarf star WASP-31.[1] The exoplanet was discovered in 2010 by the WASP project.[2][1] WASP-31b is in the constellation of Crater,[3] and is about 1305 light-years[4] (light travel distance) from Earth.[2]
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