Probing the Halo and ISM of Low-Redshift Galaxies with Young Supernovae

Details Probing the Halo and ISM of Low-Redshift Galaxies with Young Supernovae Probing the Halo and ISM of Low-Redshift Galaxies with Young Supernovae

Jul 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002hst..prop.9504s&link_type=abstract

HST Proposal ID #9504

Computer Science

Hst Proposal Id #9504

Scientific paper

We propose a Target of Opportunity program to study the halo and ISM of a low-redshift galaxy hosting a bright new supernova {V<= 14}. The primary objectives are to characterize the ionization state, gas-phase abundances, metallicity, and gas kinematics in the ISM and halo of the host galaxy, and, if the properties of the sightline are favorable, in the intervening intergalactic medium. Core-collapse supernovae occuring in galaxies out to the Virgo cluster are the potential targets for this program. The principal spectral region for this study is the short-wavelength ultraviolet {wl <1700Angstrom} using STIS echelle spectra, which provide a comprehensive set of lines to study the hot, warm, and cool phases of the ISM. The HST spectra will be augmented by FUSE TOO observations {900

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