Mathematics – Logic
Scientific paper
Feb 2000
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000noao.prop..128s&link_type=abstract
NOAO Proposal ID #2000A-0128
Mathematics
Logic
Scientific paper
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 continue our successful Nearby Galaxies Supernova Search (NGSS) conducting a wide- field CCD search for nearby SNe using the KPNO 0.9m telescope with the NOAO Mosaic. Based on rates derived from the high-z SN searches, and our first successful campaign, we expect to detect 2-3 SNe per clear night, ~1 of which will be type Ia supernovae of z ≤ 0.1. Continuing detailed observations of these nearby SNe, made possible by the coordination of SN programs worldwide, will allow us 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 II events SNe which continue to elude our understanding due to the low numbers of known examples and limited organized follow-up observations.
Clocchiatti Alejandro
Covarrubias Ricardo
Hamuy Mario
Ho Lee
Masa J.
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