TrES-4b
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 | |
| 1.838+0.240 −0.238 RJ | |
| Mass | 0.78±0.19 MJ |
Mean density | 0.156+0.072 −0.071 g/cm3 |
| 7.04 ± 1.12 m/s2 (23.1 ± 3.7 ft/s2) 0.718 ± 0.114 g | |
| Temperature | 1,782±29 K (1,509 °C; 2,748 °F, equilibrium) |
TrES-4b is an exoplanet. It was discovered in 2006, and announced in 2007, by the Trans-Atlantic Exoplanet Survey, using the transit method. At the time of its discovery TrES-4 was the largest confirmed exoplanet ever found, now more than 10 larger planets have been discovered. It is approximately 1,400 light-years (430 pc) away orbiting the star GSC 02620-00648, in the constellation Hercules.