Imaging the Shock Precursor in Tycho's SNR

Details Imaging the Shock Precursor in Tycho's SNR Imaging the Shock Precursor in Tycho's SNR

Jul 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007hst..prop11184r&link_type=abstract

HST Proposal ID #11184. Cycle 16

Computer Science

Scientific paper

Cosmic ray acceleration in supernova remant shocks requires shock precursors where particles are trapped by plasma turbulence. The precursors also heat and compress the upstream gas, producing H alpha emission and affecting line profiles. We propose to image the brightest non-radiative shock in Tycho's SNR to measure the brightness and width of the precursor. These measurements will constrain 2 key parameters in cosmic ray acceleration models, and they will improve the accuracy of shock speed and electron-ion equilibration derived from H alpha profiles.;

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