ExoAtmospheres
IAC community database for exoplanet atmospheric observations

 

GJ 3473 b

Planet status Confirmed
Planet type Warm Super-Earth
Period 1.1980035 d
Mass 0.0059 MJ 1.87502 M⊕
Radius 0.1128 RJ 1.26336 R⊕
Semi major axis 0.01589 AU
Star name GJ 3473
Star distance 27.39 pc
Star teff 3347 K
Star radius 0.364 R☉
Temperature (calculated) 773 K
V 13 mag
J 9.627 mag
K 8.829001 mag
Alternate names TOI-488 b, TOI-488.01
Exoplanet Encyclopaedia

Molecules

Dayside Temperature (occultation): 820 K

JWST-MIRI

Hot Rocks Survey V: Secondary Eclipse Photometry of GJ 3473 b with JWST/MIRI

2026, Måns Holmberg, Hannah Diamond-Lowe et al.

Eclipse depth is lower than expected for a black body. Both atmospheric and bare-rock interpretations remain consistent.