Mathematics – Logic
Scientific paper
Jul 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991hst..prop.4252k&link_type=abstract
HST Proposal ID #4252
Mathematics
Logic
Hst Proposal Id #4252
Scientific paper
Supernovae are stars at the end of stellar evolution. They mark the moment of stellar destruction, act as the key process in the chemical evolution of the universe, serve as agitators and probes of the interstellar medium, and provide sharp and useful tools for cosmological investigations. The spatial resolution and ultraviolet ability of Space Telecope make it an essential tool in furthering all of these aspects of supernova research. As SN 1987A has demonstrated, the best progress in this field comes from the detailed study of the brightest objects. Many of the central problems of supernova research can be attacked by intensive and extensive observations of a handful of moderately bright supernovae using the HST cameras and spectrographs over an extended period of time. Observations at the latest times may be the simplest to interpret and provide the best probe of the stellar interior. SN 1987A provides a unique opportunity to connect the evolution of a supernova with the development of a supernova remnant and will be studied in this program. Because supernovae touch on so many fields of astronomy, the results of this study will affect a broad range of areas from stellar interiors to cosmology.
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