TrES-4b
TrES-4b is an extrasolar planet, and one of the largest exoplanets ever found. It was discovered in 2006, and announced in 2007, by the Trans-Atlantic Exoplanet Survey, using the transit method. It is approximately 1,400 light-years (430 pc) away orbiting the star GSC 02620-00648, in the constellation Hercules.
Size comparison of TrES-4 with Jupiter | |
| Discovery | |
|---|---|
| Discovered by | Mandushev et al |
| Discovery date | 2006–2007 |
| Transit | |
| Orbital characteristics | |
| 0.05091 ± 0.00071 AU (7.616 ± 0.106 million km) | |
| Eccentricity | 0 |
| 3.553945 ± 0.000075 d | |
| Inclination | 82.86 ± 0.33 |
| Semi-amplitude | 86.1 |
| Star | GSC 02620-00648 A |
| Physical characteristics | |
Mean radius | 1.799 ± 0.063 RJ |
| Mass | 0.919 ± 0.073 MJ |
| 7.04 ± 1.12 m/s2 (23.1 ± 3.7 ft/s2) 0.718 ± 0.114 g | |
| Temperature | 1782 ± 29 |
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