The Rate of Core Collapse Supernovae in Galaxy Clusters

Details The Rate of Core Collapse Supernovae in Galaxy Clusters The Rate of Core Collapse Supernovae in Galaxy Clusters

Jan 2012

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012aas...21910806g&link_type=abstract

American Astronomical Society, AAS Meeting #219, #108.06

Astronomy and Astrophysics

Astronomy

Scientific paper

The rate of core collapse supernovae, the deaths of massive stars, measures the amount and distribution of star formation in an environment. This is particularly useful for galaxy clusters, in which most of the stellar mass is in the old stellar populations of red sequence galaxies. Trace amounts of star formation in such systems can be difficult to observe directly (with UV, for example), but are revealed by the explosions of young massive stars. The CFHT Multi-Epoch Nearby Cluster Survey (MENeaCS) monitored 60 low redshift, x-ray luminous galaxy clusters with a monthly cadence for two years. We discovered and spectroscopically confirmed 7 Type II-P supernovae (and 23 Type Ia). This talk will present an analysis of the MENeaCS SN II-P rate in galaxy clusters, the ratio between Ia and II rates, properties of the supernova host galaxies, and the implied cluster star formation rate.

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