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Using PSUP: Viewing OMEGA mineralogical data of Mars' pyroxene content

Using PSUP: Viewing OMEGA mineralogical data of Mars' pyroxene content


Date: 07 September 2017
Satellite: Mars Express
Depicts: Screenshot of the PSUP tool
Copyright: OSUPS/OSUL/CNES/ESA

The Planetary SUrface Portal (PSUP) is an online tool for exploring the wealth of data about Mars collected in past decades.

Developed by experts at the observatories of Paris Sud (OSUPS) and Lyon (OSUL), PSUP has modules for filtering, processing, and downloading data (Mars System Information, or MarsSI), and for visualising these data in 3D–including global mineralogical maps, geomorphologic maps, and various other catalogues (Mars Visu).

This image shows a view of Mars as seen via Mars Visu. The coloured layer is a mineralogical map indicating Mars' pyroxene content across the surface at a wavelength of 2µm (values indicated by the key in the bottom right). The data comprising this layer are from OMEGA, the Near-Infrared Mineralogical Mapping Spectrometer aboard Mars Express. The orange-brown areas visible beneath this layer form part of a background covering of Viking data provided by Mars Dataset.

Mars Visu has multiple collapsible dialogue boxes on the left of the screen, with options to select specific datasets, catalogues, background and mineral layers, adjust their opacity, and to display or hide features such as gridlines, atmosphere, and landing sites. It is possible to browse or navigate directly to the desired feature or location by entering either coordinates or names into the search box in the upper right.

PSUP can be accessed here.

Further details about PSUP, and about iMars webGIS–another tool to explore changes on the surface of Mars–can be found here.

Last Update: 21 October 2019
2-Dec-2024 21:12 UT

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