The Caltech Core-Collapse Project (CCCP)

Details The Caltech Core-Collapse Project (CCCP) The Caltech Core-Collapse Project (CCCP)

2004-10-01

arxiv.org/abs/astro-ph/0410038v1

ASP Conf.Ser.342:305,2005

Astronomy and Astrophysics

Astrophysics

To appear in the proceedings of "Supernovae as Cosmological Lighthouses", Padua, 2004, ASP conference Series

Scientific paper

The cosmological utility of type Ia Supernovae (SNe) prompted numerous studies of these events, and they are now well characterized observationally, both as individual objects and as a population. In contrast, all other types of SNe (i.e., core-collapse events) are not as well observationally characterized. While some individual events have been studied in great detail (e.g., SN 1987A or SN 1998bw), the global properties of the core-collapse SN population are little known. However, in recent years, major drivers for change have emerged, among them the verification of the connection between core-collapse SNe and long-duration Gamma-Ray Bursts (GRBs), the possible utility of some core-collapse SNe (type II-P) as independent cosmological probes, and studies of core-collapse SNe as high redshift targets for missions like SNAP and JWST. The Caltech Core-Collapse Project (CCCP) is a large observational program using the Hale 200'' and the robotic 60'' telescopes at Palomar observatory to obtain optical photometry, spectroscopy and IR photometry of ~50 nearby core-collapse SNe. The program is designed to provide a complete sample of core-collapse events, with well-defined selection criteria and uniform, high-quality optical/IR observations, as well as radio and X-ray light curves for some events. We will use this sample to characterize the little-studied properties of core-collapse SNe as a population. The sample will be used as a comparison set for studies of SNe associated with Gamma-Ray Bursts, to promote and calibrate the use of SNe II-P for cosmography, and to set the stage for investigations of SNe at high-z using coming space missions such as SNAP and JWST.

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