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  1. OA@INAF
  2. PRODOTTI RICERCA INAF
  3. 1 CONTRIBUTI IN RIVISTE (Journal articles)
  4. 1.01 Articoli in rivista
Please use this identifier to cite or link to this item: http://hdl.handle.net/20.500.12386/27898
Title: Thermal Stability of Water Ice in Ceres' Craters: The Case of Juling Crater
Authors: FORMISANO, Michelangelo 
Federico, C.
DE SANCTIS, MARIA CRISTINA 
FRIGERI, ALESSANDRO 
Magni, G.
RAPONI, Andrea 
TOSI, Federico 
Issue Date: 2018
Journal: JOURNAL OF GEOPHYSICAL RESEARCH (PLANETS) 
Number: 123
Issue: 9
First Page: 2445
Abstract: Ice thermal stability on the surface of the dwarf planet Ceres is an important issue linked to the Herschel observations of water vapor around Ceres. One of these surficial ice deposits is located within the 20-km crater Juling (35°S, 168°E). The study of water ice exposure in this specific crater is particularly interesting because it has been observed that the water ice abundance changes on a time scale of a few months. To understand the ice behavior, we applied a 3-D finite element method thermophysical model to the study of Juling crater in order to determine the water ice sublimation rate. We use a detailed shape model of Ceres derived from optical imagery returned by the Framing Camera on board Dawn. We explore the effects of different heliocentric distances and different thermal inertia values, comparing our numerical predictions with the observational evidences returned by VIR and by the Herschel Space Observatory.
URI: http://hdl.handle.net/20.500.12386/27898
URL: https://agupubs.onlinelibrary.wiley.com/doi/full/10.1029/2017JE005417
ISSN: 2169-9097
DOI: 10.1029/2017JE005417
Bibcode ADS: 2018JGRE..123.2445F
Fulltext: open
Appears in Collections:1.01 Articoli in rivista

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