
We use a sample of 42 supernovae detected with the Advanced Camera for Surveys on-board the Hubble Space Telescope as part of the Great Observatories Origins Deep Survey to measure the rate of core collapse supernovae to z~0.7 and type Ia supernovae to z~1.6. This significantly increases the redshift range where supernova rates have been estimated from observations. The rate of core collapse supernovae can be used as an independent probe of the cosmic star formation rate. Based on the observations of 17 core collapse supernovae, we measure an increase in the core collapse supernova rate by a factor of 1.6 in the range 0.31 compared to low redshift. At higher redshift (z>1), we find a suggested decrease in the type Ia rate with redshift. This evolution of the Ia rate with redshift is consistent with a type Ia progenitor model where there is a substantial delay between the formation of the progenitor star and the explosion of the supernova. Assuming that the type Ia progenitor stars have initial main sequence masses 3-8 M_Sun, we find that 5-7% of the available progenitors explode as type Ia supernovae.
16 pages, 3 figures, accepted for publication in the Astrophysical Journal
Astrophysics (astro-ph), FOS: Physical sciences, Galaxies: distances and redshifts; Galaxies: stellar content; Supernovae: general; Surveys;, Astrophysics
Astrophysics (astro-ph), FOS: Physical sciences, Galaxies: distances and redshifts; Galaxies: stellar content; Supernovae: general; Surveys;, Astrophysics
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