Mathematics – Probability
Scientific paper
Jul 1999
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999hst..prop.8404b&link_type=abstract
HST Proposal ID #8404
Mathematics
Probability
1
Hst Proposal Id #8404 Stellar Ejecta
Scientific paper
If a neutrino-producing supernova {SN} explodes in the Galaxy, the Large or Small Magellanic Clouds, or a close member of the Local Group, it will be detected first by operating neutrino experiments: Super-Kamiokande, SNO, MACRO, and AMANDA. The supernova neutrino early warning system will notify photon observers throughout the world within an hour of the neutrino detection. Although the per-year probability of observing a neutrino SN is small, other SN may occur within 100 kpc and in most scenarios the optical counterpart will be much brighter than traditionally studied extragalactic SNe and therefore of great scientific interest. We propose unique STIS ultraviolet spectroscopic observations to measure the principal metallic lines, and hence the composition, velocity, and physical state, of the outermost atmosphere of the exploded star. In addition, we propose narrow- and broad-band imaging to provide information about the stellar environment and early morphology unobtainable from the ground. The images will also have major public outreach value.
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