Gaia-4 b
| Discovery | |
|---|---|
| Discovered by | Stefánsson et al. 2025 |
| Discovery site | Gaia |
| Discovery date | 2024 |
| Astrometry Radial Velocity | |
| Orbital characteristics | |
| Inclination | 116.9 ± 4.4 |
| Star | Gaia-4 |
| Physical characteristics | |
| Mass | 11.8 MJ |
Gaia-4 b is a massive gas giant exoplanet, classified as a super-Jupiter, orbiting the low-mass K-type star Gaia-4. Located approximately 244 light-years from Earth, it was discovered using astrometric data from the European Space Agency's Gaia mission, marking it as one of the first exoplanets confirmed through this method. It has a mass of 11.8 MJ.