A Cometary Nucleus Model Taking into Account all Phases of Water Ice: Amorphous, Crystalline and Clathrate

U. Marboeuf , B. Schmitt (1) , Jean-Marc C. Petit (2) , O. Mousis (2) , N. Fray (3)

1 IPAG - Institut de Planétologie et d'Astrophysique de Grenoble
2 UTINAM - Univers, Transport, Interfaces, Nanostructures, Atmosphère et environnement, Molécules (UMR 6213)
3 LISA (UMR_7583) - Laboratoire Interuniversitaire des Systèmes Atmosphériques

We present a 1D model of comet, which takes into account all structures and phase changes of water ice: amorphous, crystalline, clathrate or a mixture of the three. This model allows us to predict different outgassing profiles of volatile molecules.

Domaines: Planétologie et astrophysique de la terre [astro-ph.EP]

U. Marboeuf, B. Schmitt, Jean-Marc C. Petit, O. Mousis, N. Fray. A Cometary Nucleus Model Taking into Account all Phases of Water Ice: Amorphous, Crystalline and Clathrate. Asteroids, Comets, Meteors 2012, May 2012, Niigata, Japan. ⟨hal-02374221⟩