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The geomorphology of (21) Lutetia: Results from the OSIRIS imaging system onboard ESA's Rosetta spacecraft

Thomas, N. und Barbieri, C. und Keller, H. U. und Lamy, P. und Rickman, H. und Rodrigo, R. und Sierks, H. und Wenzel, K. P. und Cremonese, G. und Jorda, L. und Küppers, M. und Marchi, S. und Mazari, F. und Massironi, M. und Preusker, F. und Scholten, F. und Stephan, K. und Barucci, M. A. und Besse, S. und El-Maarry, M. R. und Fornasier, S. und Groussin, O. und Hviid, S. F. und Koschny, D. und Kührt, E. und Martellato, E. und Moissl, R. und Snodgrass, C. und Tubiana, C. und Vincent, J.-B. (2012) The geomorphology of (21) Lutetia: Results from the OSIRIS imaging system onboard ESA's Rosetta spacecraft. Planetary and Space Science, 66 (1), Seiten 96-124. Elsevier. DOI: 10.1016/j.pss.2011.10.003.

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Kurzfassung

The surface of (21) Lutetia is highly complex with significant interactions between ancient and more recent structures. This work attempts to summarize the surface geomorphology observed using the high resolution images from OSIRIS, the imaging system onboard the European Space Agency's Rosetta spacecraft. A wide range of surface morphologies are seen including heavily cratered terrain, extensive sets of lineaments, young impact craters, and a ridge, the height of which is more than 1/5th of the mean radius of the body. Very young and very old terrains (as inferred from crater densities) are seen in close proximity. The longest continuous lineament is over 80 km long. The lineaments show regional-dependent organization and structure. Several categories of lineament can be described. Lineaments radial to impact craters as seen on other asteroidal bodies are mostly absent. Although the lineaments may be of seismic origin (and possibly the result of several impact-induced events), impacts producing recent large craters place constraints on seismic phenomena. In particular, stronger attenuation of shocks than seen on other asteroidal bodies seems to be required. Inhomogeneous energy transport, possibly matching observed inhomogeneous ejecta deposition may offer explanations for some of the observed phenomena. Some impact craters show unusual forms, which are probably the result of impact into a surface with relief comparable to the resultant crater diameter and/or oblique impact. There is evidence that re-surfacing through landslides has occurred at several places on the object.

Dokumentart:Zeitschriftenbeitrag
Titel:The geomorphology of (21) Lutetia: Results from the OSIRIS imaging system onboard ESA's Rosetta spacecraft
Autoren:
AutorenInstitution oder E-Mail-Adresse der Autoren
Thomas, N.Physikalisches Institut, Sidlerstrasse 5, University of Bern, CH-3012 Bern, Switzerland
Barbieri, C.University of Padova, Department of Astronomy, Vicolo dell'Osservatorio 3, 35122 Padova, Italy; CISAS, “G. Colombo”, Università di Padova, via Venezia 15, 35131 Padova, Italy
Keller, H. U.Institut für Geophysik u. Extraterrestrische Physik, Technical University of Braunschweig, Germany
Lamy, P.Laboratoire d'Astrophysique de Marseille, 38 rue Frédéric Joliot-Curie, 13388 Marseille, France
Rickman, H.Department of Physics and Astronomy, Uppsala University, 75120 Uppsala, Sweden; PAS Space Research Center, Bartycka 18A, 00-716 Warsaw, Poland
Rodrigo, R.Instituto de Astrofísica de Andalucía—CSIC, 18080 Granada, Spain
Sierks, H.Max-Planck-Institut für Sonnensystemforschung, Max-Planck-Strasse 2, 37191 Katlenburg-Lindau, Germany
Wenzel, K. P.Research and Scientific Support Department, European Space Agency, 2201 Noordwijk, The Netherlands
Cremonese, G.INAF-Osservatorio Astronomico di Padova, Italy
Jorda, L.Laboratoire d'Astrophysique de Marseille, 38 rue Frédéric Joliot-Curie, 13388 Marseille, France
Küppers, M.Université Paris Diderot, Sorbonne Paris Cite', 4 rue Elsa Morante, 75205 Paris, France
Marchi, S.Université de Nice—Sophia Antipolis, Observatoire de la Côte d'Azur, CNRS, 06304 Nice, France
Mazari, F.Department of Physics, University of Padova, Italy
Massironi, M.Università di Padova, Dipartimento di Geoscienze, Padova, Italy
Preusker, F.frank.preusker@dlr.de
Scholten, F.frank.scholten@dlr.de
Stephan, K. katrin.stephan@dlr.de
Barucci, M. A.Observatoire Paris-Site de Meudon, LESIA, 5 Pl Jules Janssen, FR 92195 Meudon Cedex, France
Besse, S.Department of Astronomy, University of Maryland, MD 20742-2421, USA
El-Maarry, M. R.Physikalisches Institut, Sidlerstrasse 5, University of Bern, CH-3012 Bern, Switzerland
Fornasier, S.Observatoire Paris-Site de Meudon, LESIA, 5 Pl Jules Janssen, FR 92195 Meudon Cedex, France; Université Paris Diderot, Sorbonne Paris Cite', 4 rue Elsa Morante, 75205 Paris, France
Groussin, O.Laboratoire d'Astrophysique de Marseille, 38 rue Frédéric Joliot-Curie, 13388 Marseille, France
Hviid, S. F.Max-Planck-Institut für Sonnensystemforschung, Max-Planck-Strasse 2, 37191 Katlenburg-Lindau, Germany
Koschny, D.Research and Scientific Support Department, European Space Agency, 2201 Noordwijk, The Netherlands
Kührt, E.ekkehard.kuehrt@dlr.de
Martellato, E.INAF-Osservatorio Astronomico di Padova, Italy
Moissl, R.European Space Agency—European Space Astronomy Centre, PO Box 78, 28691 Villanueva de la Cañada, Spain
Snodgrass, C.Max-Planck-Institut für Sonnensystemforschung, Max-Planck-Strasse 2, 37191 Katlenburg-Lindau, Germany
Tubiana, C.Max-Planck-Institut für Sonnensystemforschung, Max-Planck-Strasse 2, 37191 Katlenburg-Lindau, Germany
Vincent, J.-B.Max-Planck-Institut für Sonnensystemforschung, Max-Planck-Strasse 2, 37191 Katlenburg-Lindau, Germany
Datum:2012
Erschienen in:Planetary and Space Science
Referierte Publikation:Ja
In Open Access:Nein
In SCOPUS:Ja
In ISI Web of Science:Ja
Band:66
DOI :10.1016/j.pss.2011.10.003
Seitenbereich:Seiten 96-124
Verlag:Elsevier
Status:veröffentlicht
Stichwörter: Rosetta; Asteroid; Lutetia; Imaging; Geomorphology; Data analysis
HGF - Forschungsbereich:Luftfahrt, Raumfahrt und Verkehr
HGF - Programm:Raumfahrt
HGF - Programmthema:Erforschung des Weltraums
DLR - Schwerpunkt:Raumfahrt
DLR - Forschungsgebiet:R EW - Erforschung des Weltraums
DLR - Teilgebiet (Projekt, Vorhaben):R - Projekt ROSETTA Instrumente
Standort: Berlin-Adlershof
Institute & Einrichtungen:Institut für Planetenforschung > Asteroiden und Kometen
Hinterlegt von: Laura-Maria Brumm
Hinterlegt am:03 Dez 2012 11:40
Letzte Änderung:07 Feb 2013 20:39

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