Multiwavelength Observations of Jupiter's Auroral Hot SPOT

Details Multiwavelength Observations of Jupiter's Auroral Hot SPOT Multiwavelength Observations of Jupiter's Auroral Hot SPOT

Sep 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002cxo..prop.1124e&link_type=abstract

Chandra Proposal ID #04100190

Physics

Chandra Proposal Id #04100190

Scientific paper

Joint Chandra HRC-I and HST STIS observations in Dec 2000 found: (1) the northern auroral x-ray emission comes from a localized hot spot poleward of the main auroral oval, magnetically connected to regions in the outer magnetosphere beyond 30 Jupiter radii; and (2) the x-ray hot spot pulsates with a period about 45 minutes. The hot spot occurs in a region where both anomalous infrared emissions and bright, transient far-ultraviolet (FUV) 'flares' have been observed. These results are inconsistent with excitation by energetic heavy ions precipitating from the Io plasma torus. We propose simultaneous HST-STIS and Chandra-ACIS-S observations of Jupiter seeking to understand the source mechanisms and energetics of the jovian x-ray aurora. We will also seek simultaneous IRTF observations.

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