Chemical Abundances in Local Group Supernova Remnants

Details Chemical Abundances in Local Group Supernova Remnants Chemical Abundances in Local Group Supernova Remnants

Jul 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991hst..prop.2290d&link_type=abstract

HST Proposal ID #2290

Computer Science

Hst Proposal Id #2290

Scientific paper

There is an increasing body of data, based on abundance analyses of the interstellar medium, which suggests that Local Group disk galaxies have had a star-formation history which is quite different from the region of the Galaxy about the sun. For example, the solar region appears to have undergone a burst of high-mass star formation at the time of disk collapse, unlike Local Group systems of low metallicity. The evolved, radiative supernova remnants (SNR) can be used as a powerful probe of the chemical abundances in the Interstellar Medium (ISM). This proposal is to obtain FOS UV spectrophotometry of the brightest radiative SNR discovered by us in Local Group Galaxies. This data will complement our ground-based data in the optical to give abundances of a variety of elements with different nucleogenic origins. The data to be obtained in the LMC will complement the abundance analysis of the spectra of many supergiant stars, already performed, to give us a complete picture of the "cosmic" abundances of most

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