The supernova delay time distribution in galaxy clusters and implications for Type-Ia progenitors and metal enrichment

Details The supernova delay time distribution in galaxy clusters and implications for Type-Ia progenitors and metal enrichment The supernova delay time distribution in galaxy clusters and implications for Type-Ia progenitors and metal enrichment

2010-06-17

arxiv.org/abs/1006.3576v3

Astronomy and Astrophysics

Astrophysics

Cosmology and Extragalactic Astrophysics

ApJ, in press

Scientific paper

Knowledge of the supernova (SN) delay time distribution (DTD) - the SN rate versus time that would follow a hypothetical brief burst of star formation - can shed light on SN progenitors and physics. We compile recent measurements of the Type-Ia SN (SN Ia) rate in galaxy clusters at redshifts z=0-1.45. Together with the observed iron-to-stellar mass ratio in clusters, which constrains the time-integrated number of SN Ia events in clusters, we recover the DTD of SNe Ia in cluster environments. The DTD peaks at the shortest time-delay interval we probe, 0

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