On-Orbit Science Measurement Performance of the NASA Discovery Moon Mineralogy Mapper (M3) Imaging Spectrometer On-Board the Chandrayaan-1 Mission

Details On-Orbit Science Measurement Performance of the NASA Discovery Moon Mineralogy Mapper (M3) Imaging Spectrometer On-Board the Chandrayaan-1 Mission On-Orbit Science Measurement Performance of the NASA Discovery Moon Mineralogy Mapper (M3) Imaging Spectrometer On-Board the Chandrayaan-1 Mission

Sep 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009dps....41.0201g&link_type=abstract

American Astronomical Society, DPS meeting #41, #2.01

Astronomy and Astrophysics

Astronomy

Scientific paper

The Moon Mineralogy Mapper (M3) is an imaging spectrometer of the pushbroom type that measures the spectral range from 430 to 3000 nm at 10 nm resolution with a nominal target mode spatial sampling of 70 m with 600 cross-track spatial elements. M3 has a signal-to-noise ratio requirement of 400 for equatorial illumination and 100 for polar illumination levels. In addition, the instrument was designed, fabricated and aligned to a 90% spectral cross-track uniformity and 90% spectral instantaneous-field-of-view uniformity. These uniformity characteristics are required for the full set of science objectives and were exceptionally challenging to achieve. M3 was selected by NASA on the 2nd of February 2005 and was launched on the 22nd of October 2008 as a guest instrument on the Chandrayann-1 Mission of the Indian Space Research Organization. The first M3 spectral image cubes were acquired on the 19th of November 2008. To date a high fraction of the surface of the Moon has been measured. We present a current assessment of the spectral, radiometric, spatial and uniformity characteristics of M3 in orbit around the Moon.

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