TOI-1431 b
| Discovery | |
|---|---|
| Discovered by | TESS, MASCARA | 
| Discovery date | 2021 | 
| Transit | |
| Orbital characteristics | |
| 0.046 | |
| Eccentricity | 0 | 
| 2.7 d | |
| Inclination | 80.4 | 
| Star | TOI-1431 | 
| Physical characteristics | |
| 1.49 RJ | |
| Mass | 3.12 MJ | 
| Temperature | 2700±2600 K | 
TOI-1431 b, also known as MASCARA-5b, is an ultra-hot Jupiter exoplanet orbiting TOI-1431 in the constellation of Cepheus. It has an orbital period of 2.7 days. Its dayside temperature is 2,700 K (2,427 °C), making it hotter than 40% of stars in our galaxy. The nightside temperature is 2,600 K (2,300 °C).