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Communication Dans Un Congrès Année : 2015

Apparent and real temporal variability of surface components of 67P/CG nucleus with Rosetta VIRTIS

Résumé

The surface material of comet nucleus 67P/Churyumov-Gerasimenko contains components with a broad absorption band between 2900 and 3600 nm [1] that was revealed by the Visible and Infrared Thermal Imaging Spectrometer (VIRTIS, [2]) on the Rosetta spacecraft. Absorptions in this range of wavelengths are likely due to C-H and/or O-H chemical groups in various compounds [1, 3, 4]. In this study we investigate the distribution of this absorber across the surface of the comet nucleus, and apparent temporal variability on areas where the absorption band is the strongest.
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Dates et versions

hal-03743413 , version 1 (02-08-2022)

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Jean-Philippe Combe, Thomas B. Mccord, Fabrizio Capaccioni, Gianrico Filacchione, Andrea Raponi, et al.. Apparent and real temporal variability of surface components of 67P/CG nucleus with Rosetta VIRTIS. European Planetary Science Congress 2015, Sep 2015, Nantes, France. ⟨hal-03743413⟩
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