The Great Observatories Origins Deep Survey High Redshift Search for Supernovae

Details The Great Observatories Origins Deep Survey High Redshift Search for Supernovae The Great Observatories Origins Deep Survey High Redshift Search for Supernovae

May 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003aas...202.2505s&link_type=abstract

American Astronomical Society Meeting 202, #25.05; Bulletin of the American Astronomical Society, Vol. 35, p.732

Astronomy and Astrophysics

Astronomy

1

Scientific paper

We have recently concluded the Hubble Higher-z Supernova Team's search for high redshift supernovae in conjunction with the Great Observatories Origins Deep Survey (GOODS). Using the Advanced Camera for Surveys (ACS), we have surveyed ˜170 sq. arcmin fields about the CDF-S and HSF-N on five epochs each, with ˜45 day baselines. These deep observations have allowed us to discover ˜40 supernovae in the range of 0.2=1. A cosmic evolution of SN Ia luminosity or ``grey dust'' would cause SNe Ia to be systematically fainter at higher-z and thus show a different sign and shape on the Hubble diagram. We are also investigating the rate of SNe at /line{z}˜=0.8-1.0, the relation to the local rates, comparisons of host environments to low redshift host environments, and the implications of each to SN progenitors, star formation rate history, and possibly to cosmology.

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