WASP-7 b
From Wikipedia, the free encyclopedia
| Extrasolar planet | List of extrasolar planets | |
|---|---|---|
| Parent star | ||
| Star | WASP-7 | |
| Constellation | Microscopium | |
| Right ascension | (α) | 20h 44m 10s |
| Declination | (δ) | −39° 13′ 31″ |
| Distance | 490 ly (150 pc) | |
| Spectral type | F6 | |
| Orbital elements | ||
| Semimajor axis | (a) | 0.0618+0.0014−0.0033 AU |
| Eccentricity | (e) | 0 |
| Orbital period | (P) | 4.954658+5.5e-5−4.3e-5 d |
| Inclination | (i) | 89.6+0.4−0.9° |
| Time of transit | (Tt) | 2453985.0149+0.0009−0.00012 JD |
| Physical characteristics | ||
| Mass | (m) | 0.96+0.12−0.18 MJ |
| Radius | (r) | 0.915+0.046−0.04 RJ |
| Density | (ρ) | 1660 kg/m3 |
| Surface gravity | (g) | 3.03 g |
| Temperature | (T) | 2000 K |
| Discovery information | ||
| Discovery date | April 1, 2008 | |
| Discoverer(s) | Cameron et al. (SuperWASP) | |
| Detection method | Transit | |
| Discovery status | Published | |
WASP-7b, also called HD 197286 b is an extrasolar planet discovered in 2008. This 5-day period planet is slightly smaller and less massive than Jupiter.
