Regional unit definition for the nucleus of comet 67P/Churyumov-Gerasimenko on the SHAP7 model
2 LASP - Laboratory for Atmospheric and Space Physics [Boulder]
3 DLR Institut für Planetenforschung
4 LAM - Laboratoire d'Astrophysique de Marseille
5 ISSI - International Space Science Institute [Bern]
6 CISAS - Centro di Ateneo di Studi e Attività Spaziali “Giuseppe Colombo”
7 Dipartimento di Fisica e Astronomia "Galileo Galilei"
8 IFN - CNR Istituto di Fotonica e Nanotecnologie [Padova]
9 MPS - Max-Planck-Institut für Sonnensystemforschung = Max Planck Institute for Solar System Research
10 CAB - Centro de Astrobiologia [Madrid]
11 RSSD - Research and Scientific Support Department, ESTEC
12 JPL - Jet Propulsion Laboratory
13 LESIA (UMR_8109) - Laboratoire d'études spatiales et d'instrumentation en astrophysique
14 PLANETO - LATMOS
15 Department of Astronomy [College Park]
16 OAPD - INAF - Osservatorio Astronomico di Padova
17 IFN - CNR Institute for Photonics and Nanotechnologies
18 Department of Industrial Engineering [University of Padua]
19 UNITN - Università degli Studi di Trento = University of Trento
20 OAT - INAF - Osservatorio Astronomico di Trieste
21 IAA-CSIC - Instituto de Astrofísica de Andalucía = Institute of Astrophysics of Andalusia
22 IANCU - Institute of Astronomy [Taiwan]
23 SSI - Space Science Institute [Macau]
24 IGEP - Institut für Geophysik und Extraterrestrische Physik [Braunschweig]
- Fonction : Auteur
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- IdHAL : laurent-jorda
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- Fonction : Auteur
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- IdHAL : soniafornasier
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Résumé
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 subdivision 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 * Corresponding author. Physikalisches
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