Other
Scientific paper
Dec 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005agufm.p23a0171m&link_type=abstract
American Geophysical Union, Fall Meeting 2005, abstract #P23A-0171
Other
5400 Planetary Sciences: Solid Surface Planets, 5464 Remote Sensing, 5470 Surface Materials And Properties, 5494 Instruments And Techniques
Scientific paper
MRO launched in August and is acquiring cruise calibrations on the way to Mars orbit insertion (March 2006), to be followed by 6 months of aerobraking and 2 months of transitional orbits and solar conjunction. The camera features a 0.5 m diameter primary mirror, 12 m effective focal length, and a focal plane system that can acquire images containing up to 28 Gb of data in as little as 6 seconds. HiRISE will provide detailed images (0.25 to 1.3 m/pixel) covering ~1% of the martian surface during the 2-year Primary Science Phase (PSP) beginning November 2006. The images may include color data (green, red, near-IR) over 20% of the field of view. A top priority is to acquire ~1000 stereo pairs and apply precision geometric corrections to enable topographic measurements to better than 25 cm precision. We expect to return ~12 Tb of HiRISE data during the 2-year PSP, and use pixel binning, conversion from 14 to 8 bit values, and a lossless compression system to increase coverage. HiRISE images are acquired via 14 CCD detectors, each with 2 output channels, and with multiple choices for pixel binning (none, 2x2, 3x3, 4x4, 8x8, 16x16) and number of Time Delay Integration lines (8, 32, 64, or 128). We will calibrate, reproject, and mosaic the 28 channels into Reduced Data Records (RDRs) and also produce Digital Elevation Models and special products for release via the Planetary Data System (PDS). The HiRISE group in Tucson is a PDS subnode, and we plan to release RDRs (along with the raw data) as soon as they have been completed. HiRISE will support Mars exploration by locating and characterizing past, present, and future landing sites, crash sites, and rover traverses. We will investigate cratering, volcanism, tectonism, hydrology, sedimentation, stratigraphy, aeolian processes, mass wasting, landscape evolution, seasonal processes, climate change, spectrophotometry, glacial/periglacial processes, polar geology, and other science themes. An Internet web site (HiWeb) will enable anyone in the world to suggest HiRISE targets on Mars and to easily locate, view, and download HiRISE data products (Gulick et al., this conference).
Bergström Jonas
Bridges Nathan
Delamere Alan W.
Eliason E.
Grant Jackie
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