The Image Spectrometer in the Near Infrared, JIRAM, Proposed to NASA for Joining to the Juno Mission to Jupiter

Details The Image Spectrometer in the Near Infrared, JIRAM, Proposed to NASA for Joining to the Juno Mission to Jupiter The Image Spectrometer in the Near Infrared, JIRAM, Proposed to NASA for Joining to the Juno Mission to Jupiter

Dec 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006agufm.p51d1235a&link_type=abstract

American Geophysical Union, Fall Meeting 2006, abstract #P51D-1235

Computer Science

Sound

0343 Planetary Atmospheres (5210, 5405, 5704), 5405 Atmospheres (0343, 1060), 5704 Atmospheres (0343, 1060), 5706 Aurorae

Scientific paper

JIRAM, the Jovian InfraRed Auroral Mapper, has been proposed as integration of the payload of the NASA New Frontiers mission Juno to Jupiter to be launched in 2011. JIRAM shares a single telescope, between an infrared camera and a spectrometer to allow a large observational flexibility in obtaining at the same time simultaneous images in the L and M bands with the spectral radiance over the central zone of the images. Moreover, JIRAM will able to perform spectral imaging of the planet in the 2-5 μm spectral region with a spectral resolution better than 10 nm. Instrument design, modes and observation strategy will be optimized for operations aboard a spinning satellite in polar orbit around Jupiter. JIRAM will be contributed to Juno in the exploration of the dynamics and the chemistry of Jovian auroral regions by high contrast imaging and spectroscopy, the study of the Jovian hot spots through the troposphere so as to determine vertical structure and hence test formation mechanisms and the sounding of the Jupiter atmosphere to map water moist convection and determine the water abundance and other constituents at depths corresponding to the water clouds. The JIRAM heritage comes from Italian made visual-infrared imaging spectrometers dedicated to planetary exploration like Cassini /VIMS-V, Rosetta and Venus Express /VIRTIS, and Dawn /VIR-MS.

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