HATS-75 b has a sub-solar metallicity atmosphere (log[M/H] ≈ -1.74) with super-solar C/O, robust CH4/CO/CO2 absorption, and an H2O upper limit, where the spectrum is best explained by stellar contamination rather than hazes.
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GEMS JWST: HATS-75 b -- A giant planet with a sub-solar metallicity atmosphere orbiting an M-dwarf
HATS-75 b has a sub-solar metallicity atmosphere (log[M/H] ≈ -1.74) with super-solar C/O, robust CH4/CO/CO2 absorption, and an H2O upper limit, where the spectrum is best explained by stellar contamination rather than hazes.