Thermal model of water and CO activity of comet C/1995 O1 (Hale-Bopp)

N. Gortsas (1) , Ekkehard Kührt (1) , U. Motschmann (2) , H.U. Keller (2)

1 DLR Institut für Planetenforschung
2 Technische Universität Braunschweig = Technical University of Braunschweig [Braunschweig]

► The CO and water activity of comet C/1995 O1 (Hale-Bopp) is simulated. ► Erosion due to surface sublimation of water ice is treated as a Stefan Problem. ► The CO production curve is a good fit to the measurements over the whole range. ► The best fit of the data is obtained with a thermal conductivity of 0.01 W/(mK)

Mots clés: Comet Hale-Bopp; Comets; Nucleus; Composition; Thermal histories; Origin; Coma

Domaines: Planète et Univers [physics]

N. Gortsas, Ekkehard Kührt, U. Motschmann, H.U. Keller. Thermal model of water and CO activity of comet C/1995 O1 (Hale-Bopp). Icarus, 2011, 212 (2), pp.858. ⟨10.1016/j.icarus.2011.01.017⟩. ⟨hal-00734587⟩