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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/20.500.12386/28141
Title: Regional unit definition for the nucleus of comet 67P/Churyumov-Gerasimenko on the SHAP7 model
Authors: Thomas, N.
El Maarry, M. R.
Theologou, P.
Preusker, F.
Scholten, F.
Jorda, L.
Hviid, S. F.
Marschall, R.
Kührt, E.
Naletto, G.
Sierks, H.
Lamy, P. L.
Rodrigo, R.
Koschny, D.
Davidsson, B.
Barucci, M. A.
Bertaux, J. L.
Bertini, I.
Bodewits, D.
CREMONESE, Gabriele 
Da Deppo, V.
Debei, S.
De Cecco, M.
Fornasier, S.
FULLE, Marco 
Groussin, O.
Gutièrrez, P. J.
Güttler, C.
Ip, W. H.
Keller, H. U.
Knollenberg, J.
Lara, L. M.
Lazzarin, M.
Lòpez-Moreno, J. J.
Marzari, F.
Tubiana, C.
Vincent, J. B.
Issue Date: 2018
Journal: PLANETARY AND SPACE SCIENCE 
Number: 164
First Page: 19
Abstract: The previously defined regions on the nucleus of comet 67P/Churyumov-Gerasimenko have been mapped back onto the 3D SHAP7 model of the nucleus (Preusker et al., 2017). The resulting regional definition is therefore self-consistent with boundaries that are well defined in 3 dimensions. The facets belonging to each region are provided as supplementary material. The shape model has then been used to assess inhomogeneity of nucleus surface morphology within individual regions. Several regions show diverse morphology. We propose sub-division of these regions into clearly identifiable units (sub-regions) and a comprehensive table is provided. The surface areas of each sub-region have been computed and statistics based on grouping of unit types are provided. The roughness of each region is also provided in a quantitative manner using a technique derived from computer graphics applications. The quantitative method supports the sub-region definition by showing that differences between sub-regions can be numerically justified.
URI: http://hdl.handle.net/20.500.12386/28141
URL: https://www.sciencedirect.com/science/article/pii/S0032063318300692?via%3Dihub
ISSN: 0032-0633
DOI: 10.1016/j.pss.2018.05.019
Bibcode ADS: 2018P&SS..164...19T
Fulltext: reserved
Appears in Collections:1.01 Articoli in rivista

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