Stereo topographic models of Mercury after three MESSENGER flybys

被引：43

作者：

Preusker, Frank ^{[1
]}

Oberst, Juergen ^{[1
]}

Head, James W. ^{[2
]}

Watters, Thomas R. ^{[3
]}

Robinson, Mark S. ^{[4
]}

Zuber, Maria T. ^{[5
]}

Solomon, Sean C. ^{[6
]}

机构：

[1] German Aerosp Ctr DLR, Inst Planetary Res, D-12489 Berlin, Germany

[2] Brown Univ, Dept Geol Sci, Providence, RI 02912 USA

[3] Smithsonian Inst, Natl Air & Space Museum, Ctr Earth & Planetary Studies, Washington, DC 20560 USA

[4] Arizona State Univ, Sch Earth & Space Explorat, Tempe, AZ 85287 USA

[5] MIT, Dept Earth Atmospher & Planetary Sci, Cambridge, MA 02139 USA

[6] Carnegie Inst Washington, Dept Terr Magnetism, Washington, DC 20015 USA

来源：

PLANETARY AND SPACE SCIENCE | 2011年 / 59卷 / 15期

关键词：

Mercury; MESSENGER; Topography; Digital terrain models; EXPRESS HRSC DATA; IMAGES; BASIN;

D O I：

10.1016/j.pss.2011.07.005

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

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. (C) 2011 Elsevier Ltd. All rights reserved.

引用

页码：1910 / 1917

页数：8

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