Epsilon Tauri b
Epsilon Tauri b (abbreviated ε Tauri b or ε Tau b), formally named Amateru /æməˈtɛruː/, is a super-Jupiter exoplanet orbiting the K-type giant star Epsilon Tauri approximately 155 light-years (47.53 parsecs, or nearly 1.466×1015 km) away from the Earth in the constellation of Taurus. It orbits the star further out than Earth orbits the Sun. It has moderate eccentricity.
| Discovery | |
|---|---|
| Discovered by | Sato et al. |
| Discovery date | 7 February 2007 |
| Doppler spectroscopy | |
| Orbital characteristics | |
| 1.93 (± 0.03) AU | |
| Eccentricity | 0.151 (± 0.023) |
| 645.5 (± 5.3) d | |
| 2,452,879 ± 12 | |
| 94.4 ± 7.4 | |
| Semi-amplitude | 98.5 ± 1.8 |
| Star | Epsilon Tauri |
| Physical characteristics | |
Mean radius | ~1.18 RJ |
| Mass | 7.6 (± 0.2) MJ |
| Temperature | 541 K (268 °C; 514 °F) |
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.