Analytic theory for transmission spectra of hydrodynamic planetary outflows identifies an opacity-mass-loss saturation boundary beyond which escape rates cannot be uniquely recovered from spectral lines.
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CRIRES+ data detect H2O and CO in HIP 67522 b, imply a mass of 29.8 Earth masses inconsistent with JWST at 3 sigma, and show a tentative 2 sigma HDO signal with extreme deuterium enrichment.
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A theory of transmission spectroscopy of hydrodynamic outflows from planetary atmospheres: Spectral-line saturation and limits on mass-loss constraints
Analytic theory for transmission spectra of hydrodynamic planetary outflows identifies an opacity-mass-loss saturation boundary beyond which escape rates cannot be uniquely recovered from spectral lines.
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Atmospheric characterization of HIP 67522 b with VLT/CRIRES+. VLT/CRIRES+ suggests a heavier planet and hints at deuterium fractionation
CRIRES+ data detect H2O and CO in HIP 67522 b, imply a mass of 29.8 Earth masses inconsistent with JWST at 3 sigma, and show a tentative 2 sigma HDO signal with extreme deuterium enrichment.