Wide-field Low-z SN Search with the NOAO Mosaic

Details Wide-field Low-z SN Search with the NOAO Mosaic Wide-field Low-z SN Search with the NOAO Mosaic

Feb 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999noao.prop..344s&link_type=abstract

NOAO Proposal ID #1999A-0344

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While observations of distant supernovae (SNe) are providing intriguing new information about cosmological parameters, there is still much work to be done on understanding the details of the various types of SNe and the possible systematic uncertainties in their use as precise distance indicators. Such work is best done with studies of relatively nearby SNe (z ≤ 0.1), which are bright enough to obtain detailed photometric and spectroscopic follow-up. We propose to begin a wide- field CCD search for such SNe using the KPNO 0.9m telescope with the NOAO Mosaic. Based on the field SN rates derived from high-z SN searches, we expect to detect 2-3 SNe per night, ~1 of which will be type Ia supernovae in the z ≤ 0.1 range. With detailed observations of these nearby SNe made possible by the coordination of many SN programs worldwide, we will be able to determine accurate SN rates by SN subclass, measure the luminosity function of type Ia SNe, and study the variety of ``peculiar'' type I and type II SNe which have to date eluded our understanding due to the small numbers of known examples and limited organized follow-up observations.

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