| Star | HAT-P-21 |
|---|---|
| VMag | 11.46 |
| Spectral Type | G3 |
| Efective Temp | 5588.0 |
| Mass | 0.947 |
| Radius | 1.105 |
| RA | 171.275 |
| DEc | 41.0280556 |
| Alias | |
| Planet | |
| Discovered | 2010 |
| Mass | 4.063 |
| Radius | 1.024 |
| Period | 4.124461 |
| Primary transit | 2454996.41312 |
Astro Gregas
Home of an amateur planet hunter
HAT-P-21 b