Gaia-4 b · Asteria Star

Scientific overview

Gaia-4 b is a gas giant orbiting Gaia-4, completing an orbit every 571 days, about 240 light-years from Earth. It was discovered in 2025 using the astrometry.

Host star

Gaia-4

Temperature

4,034 K

Mass

0.644 M☉

Discovery and detection

Detection method

Astrometry

Discovery year

2025

Discovered at

Gaia

Knowledge connections

OrbitsGaia-4
Discovered by methodAstrometry
Discovered by missionGaia
Catalogued inNASA Exoplanet Archive

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