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  The global meter-level shape model of comet 67P/Churyumov-Gerasimenko

Preusker, F., Scholten, F., Matz, K.-D., Roatsch, T., Hviid, S. F., Mottola, S., et al. (2017). The global meter-level shape model of comet 67P/Churyumov-Gerasimenko. Astronomy and Astrophysics, 607: L 1. doi:10.1051/0004-6361/201731798.

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Preusker, F., Author
Scholten, F., Author
Matz, K.-D., Author
Roatsch, T., Author
Hviid, S. F., Author
Mottola, S., Author
Knollenberg, J., Author
Kührt, E., Author
Pajola, M., Author
Oklay, N., Author
Vincent, J.-B., Author
Davidsson, B., Author
A’Hearn, M. F., Author
Agarwal, Jessica1, Author              
Barbieri, C., Author
Barucci, M. A., Author
Bertaux, J.-L., Author
Bertini, I., Author
Cremonese, G., Author
Deppo, V. Da, Author
Debei, S., AuthorCecco, M. De, AuthorFornasier, S., AuthorFulle, M., AuthorGroussin, O., AuthorGutiérrez, P. J., AuthorGüttler, Carsten1, Author              Ip, W-H., AuthorJorda, L., AuthorKeller, H. U., AuthorKoschny, D., AuthorKramm, J. Rainer1, Author              Küppers, M., AuthorLamy, P., AuthorLara, L. M., AuthorLazzarin, M., AuthorMoreno, J. J. Lopez, AuthorMarzari, F., AuthorMassironi, M., AuthorNaletto, G., AuthorRickman, H., AuthorRodrigo, R., AuthorSierks, Holger1, Author              Thomas, N., AuthorTubiana, Cecilia1, Author               more..
Affiliations:
1Department Planets and Comets, Max Planck Institute for Solar System Research, Max Planck Society, ou_1832288              

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 MPIS_GROUPS: Planets and Comets
 MPIS_PROJECTS: ROSETTA: OSIRIS
 Abstract: We performed a stereo-photogrammetric (SPG) analysis of more than 1500 Rosetta/OSIRIS NAC images of comet 67P/Churyumov-Gerasimenko (67P). The images with pixel scales in the range 0.2−3.0 m/pixel were acquired between August 2014 and February 2016. We finally derived a global high-resolution 3D description of 67P’s surface, the SPG SHAP7 shape model. It consists of about 44 million facets (1−1.5 m horizontal sampling) and a typical vertical accuracy at the decimeter scale. Although some images were taken after perihelion, the SPG SHAP7 shape model can be considered a pre-periheliondescription and replaces the previous SPG SHAP4S shape model. From the new shape model, some measures for 67P with very low 3σ uncertainties can be retrieved: 18.56 km3 ± 0.02 km3 for the volume and 537.8 kg/m3 ± 0.7 kg/m3 for the mean density assuming a mass value of 9.982 × 1012 kg.

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Language(s): eng - English
 Dates: 2017-12-212017
 Publication Status: Published online
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1051/0004-6361/201731798
 Degree: -

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Title: Astronomy and Astrophysics
  Other : Astron. Astrophys.
Source Genre: Journal
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Publ. Info: Berlin : Springer-Verlag
Pages: - Volume / Issue: 607 Sequence Number: L 1 Start / End Page: - Identifier: ISSN: 0004-6361
CoNE: https://pure.mpg.de/cone/journals/resource/954922828219_1