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Mars Express Data at the Planetary Data System Geosciences Node

Learn about Mars Express data archived at the PDS Geosciences Node, how to access it, and tools like the Orbital Data Explorer (ODE) for searching and downloading specific subsets of data. Explore the Fossett Lab for Virtual Planetary Exploration funded by Steve Fossett.

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Mars Express Data at the Planetary Data System Geosciences Node

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  1. Mars Express Dataat the Planetary Data SystemGeosciences Node Edward A. Guinness Washington University MEX Data Workshop May 21, 2008

  2. Mars Express data in the PDS • Why is there a copy of MEX data in the PDS? Why is that copy at the PDS Geosciences Node? • Based on a MOU between ESA and NASA, the Planetary Data System (PDS) receives a copy of MEX science data. • The Geosciences Node was selected as the prime point of contact for archiving interfaces. • Geosciences Node maintains a copy of released data from all MEX instruments. • Other PDS nodes may have an additional copy for specific instruments, e.g., HRSC at the Imaging Node. • How does PDS obtain its copy? • Data are copied via ftp from PSA over to the Geosciences Node. • Copying is done only after the data are released by PSA to the science community. • Typically there is from one to two weeks between data release on PSA and availability at PDS due to time required to complete the copying with ftp.

  3. Mars Express Data in the PDShttp://pds-geosciences.wustl.edu/missions/mars_express/index.htm • How to access the PDS copy of Mars Express data? • Mars Express data are available from Geosciences Node via: • FTP • HTTP download • Search interface – Orbital Data Explorer (ODE) • See URL above for the main PDS Mars Express page from the Geosciences Node. • There is a page for each MEX instrument with more detailed information about data from that instrument. • The main Geosciences Node web page (http://pds-geosciences.wustl.edu/) has a “What’s New” section to announce recent additions. • Geosciences Node pages note that the PSA is the primary source for Mars Express data.

  4. Geosciences Node Orbital Data Explorer (ODE) • For users that need to locate specific subsets of data, the Geosciences Node has developed a web-based tool for Mars orbital data – known as the Orbital Data Explorer (ODE). • Originally developed to support access to MRO data archives (CRISM, HiRISE, and SHARAD). • It has been expanded to include Mars Express OMEGA and HRSC data. • Provides a tool to search for data by area on Mars or data acquisition time for multiple instruments on multiple spacecraft. • Users can browse through and download selected data. • ODE will soon be further expanded to include MGS MOLA and Odyssey GRS data sets. • http://ode.rsl.wustl.edu/mars/

  5. ODE Search Forms

  6. Browsing ODE Search Results

  7. Downloading Data with ODE • Individual files can be downloaded from the ‘Browse’ or ‘Data Set Explorer’ pages. • Products can also be add to a cart for downloading. • Through the cart method, users can select to download • Only data products • Products and all supporting information (documentation, software, etc.) • Cart selections are packaged into zip or tar files and downloaded by ftp.

  8. Fossett Lab for Virtual Planetary Exploration • Funded by a gift from adventurer, Steve Fossett. • The Fossett Laboratory uses stereo data to explore planetary surfaces as a field geologist would. • Consists of three computer projected walls and a computer projected floor. • Provides stereo viewing via an active stereo system that flickers the images between left and right eyes. • Have examples of HRSC DTM and orthophoto data and MER stereo images for demonstration during the workshop.

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