A JWST/MIRI view of k Andromedae b: Refining its mass, age, and physical parameters

N. Godoy, E. Choquet, E. Serabyn +7

Context. kAndb is a substellar companion near the planet-brown dwarf boundary, orbiting a B9IV star at 50-100 au. Estimates of its age and mass vary, fueling a decade-long debate.…