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The condensation and vaporization behavior of H2O:CO ices and implications for interstellar grains and cometary activity (1988)

Allamandola, Louis J. ; Sandford, Scott A.

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Publication Date: 2011-08-19

Description: IR spectroscopy has been used to ascertain several parameters associated with CO, H2O, and H2O:CO ices' physical behavior. Since CO is noted to be capable of condensing into H2O-rich ices at temperatures that are twice as high as those required for condensation in pure CO, CO is able to condense onto H2O-rich ice grains at temperatures of up to 50 K. CO's presence in H2O ice modestly enhances the effective volatility of the H2O. Attention is given to the implications of these results for cometary models generally and the question of cometary formation specifically.

Keywords: ASTROPHYSICS

Type: Icarus (ISSN 0019-1035); 76; 201-224

Format: text

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