Differential Molecular Rotational Broadening applied to CRIRES spectra of DENIS J0255-4700 shows lower vsini for CH4 and NH3 than CO/H2O, indicating equatorial depletion consistent with a cloud belt.
URL https://www.aanda.org/10.1051/0004-6361/202453575
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Latitudinal chemical and cloud variations in the atmosphere of a brown dwarf
Differential Molecular Rotational Broadening applied to CRIRES spectra of DENIS J0255-4700 shows lower vsini for CH4 and NH3 than CO/H2O, indicating equatorial depletion consistent with a cloud belt.