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Paper: The Caltech Core-Collapse Project (CCCP)
Volume: 342, 1604-2004: Supernovae as Cosmological Lighthouses
Page: 305
Authors: Gal-Yam, A.; Cenko, S.B.; Fox, D.W.; Leonard, D.C.; Moon, D.-S.; Sand, D.J.; Soderberg, A.M.
Abstract: he cosmological utility of type Ia Supernovae 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 supernovae (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 supernovae and long-duration Gamma-Ray Bursts (GRBs), the possible utility of some core-collapse supernovae (type II-P) as independent cosmological probes, and studies of core-collapse supernovae as high redshift targets for missions like the Supernova Acceleration Probe and the James Webb Space Telescope. The Caltech Core-Collapse Project is a large observational program using the Hale 200 inch and the robotic 60 inch telescopes at Palomar observatory to obtain optical photometry, spectroscopy and IR photometry of ∼ 50 nearby core-collapse supernovae. 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 supernovae as a population. The sample will be used as a comparison set for studies of supernovae associated with Gamma-Ray Bursts, to promote and calibrate the use of supernovae II-P for cosmography, and to set the stage for investigations of supernovae at high-z using coming space missions such as the Supernova Acceleration Probe and the James Webb Space Telescope.
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