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Stereo topographic models of Mercury after three MESSENGER flybys

Preusker, Frank and Oberst, Jürgen and Head, James W. and Watters, Thomas R. and Robinson, Mark S. and Zuber, Maria T. and Solomon, Sean C. (2011) Stereo topographic models of Mercury after three MESSENGER flybys. Planetary and Space Science, 59 (15), pp. 1910-1917. DOI: 10.1016/j.pss.2011.07.005. ISSN 0032-0633.

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Abstract

From photogrammetric analysis of stereo images of Mercury obtained during three MESSENGER flybys, we have produced three digital terrain models (DTMs) that have a grid spacing of 1 km and together cover 30% of the planet's surface. The terrain models provide a rich source of information on the morphology of Mercury's surface, including details of tectonic scarp systems as well as impact craters and basins. More than 400 craters larger than 15 km in diameter are included in the models. Additionally, the models provide important test cases for the analysis of stereo image data to be collected during MESSENGER's orbital mission phase. Small lateral offsets and differences in trends between stereo DTMs and laser altimeter profiles may be due to remaining errors in spacecraft position, instrument pointing, or Mercury coordinate knowledge. Such errors should be resolved during the orbital mission phase, when more joint analyses of data and detailed orbit modeling will be possible.

Document Type:Article
Additional Information:Special Issue: Mercury after the MESSENGER flybys
Title:Stereo topographic models of Mercury after three MESSENGER flybys
Authors:
AuthorsInstitution or Email of Authors
Preusker, Frankfrank.preusker@dlr.de
Oberst, Jürgenjuergen.oberst@dlr.de
Head, James W.Brown University
Watters, Thomas R.Smithsonian Institution
Robinson, Mark S.Arizona State University
Zuber, Maria T.MIT
Solomon, Sean C.Carnegie Institution of Washington
Date:December 2011
Journal or Publication Title:Planetary and Space Science
Refereed publication:Yes
In Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:59
DOI:10.1016/j.pss.2011.07.005
Page Range:pp. 1910-1917
ISSN:0032-0633
Status:Published
Keywords:Mercury MESSENGER Topography Digital terrain models
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W EW - Erforschung des Weltraums
DLR - Research area:Space
DLR - Program:W EW - Erforschung des Weltraums
DLR - Research theme (Project):W - Vorhaben BepiColombo (old)
Location: Berlin-Adlershof
Institutes and Institutions:Institute of Planetary Research > Planetary Geodesy
Deposited By: Frank Preusker
Deposited On:10 Jan 2012 08:08
Last Modified:07 Feb 2013 20:40

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