Planetary System
In 2007, a gas giant planet designated V391 Pegasi b was found in orbit by variable star timing method. This planet around an "extreme horizontal branch" star provided clues about what could happen to the planets in our solar system when our Sun turns into a red giant within the next five billion years.
| Companion |
Mass | Semimajor axis |
Orbital period |
Eccentricity | Inclination | Radius |
|---|---|---|---|---|---|---|
| b | >3.2±0.7 MJ | 1.7±0.1 | 1170±44 | 0.00 | — | — |
Read more about this topic: V391 Pegasi
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