Laboratory experiments on the sublimation of methane through ice dust layers and applications to cometary activity

Open Access

Fig. 3

TPD curves of CH₄, normalized to P₂, for different heating ramps and H₂O:CH₄ ice mixture morphologies. TPDs of pure CH₄ ices are also shown, in green and blue, in both panels for reference. Dashed lines indicate co-deposited cases and solid lines indicate layered ones. Black lines are for a 1 K min⁻¹ heating ramp, and red ones are for a 5 K min⁻¹ heating ramp.

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