New Calibrated Catalog of Cassini VIMS Jupiter Observations Released
Researchers have published a calibrated catalog of Cassini Visible and Infrared Mapping Spectrometer (VIMS) observations of Jupiter with an improved processing workflow. The work includes revised calibrations for both visible and infrared channels, corrections for pointing misalignments, and custom dark signal corrections that address limitations in the standard ISIS pipeline. The publicly available dataset provides a uniform, validated resource for scientific analysis of Jupiter's atmosphere and composition.
A new study presents a comprehensive processing workflow for Cassini VIMS Jupiter observations, producing radiometrically consistent multi-extension FITS files suitable for public use. The workflow improves upon standard calibration procedures by implementing revised visible-channel and infrared-channel calibrations, with the infrared revision specifically addressing problematic cases not adequately handled by the standard ISIS pipeline. Additional enhancements include corrections for pointing-related misalignments between spectral cubes and geometric backplanes, as well as customized dark signal correction strategies. The researchers validated their calibrated products through internal consistency tests and comparisons with independent reference spectra from the literature. The complete catalog, including calibrated spectral cubes, geometry backplanes, and wavelength information, is now publicly available at Zenodo for community scientific analysis.
What different sources said
- arXiv astro-phCenter
A Processing Workflow for Cassini VIMS Jupiter Cubes
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