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THE CARNEGIE SUPERNOVA PROJECT: FIRST PHOTOMETRY DATA RELEASE OF LOW-REDSHIFT TYPE Ia SUPERNOVAE

Carlos Contreras, Mario Hamuy, M. M. Phillips, Gastón Folatelli, Nicholas B. Suntzeff, S. E. Persson, Maximilian Stritzinger, Luis Boldt, Sergio González, Wojtek Krzeminski, Nidia Morrell, Miguel Roth (+9 others)
2010 Astronomical Journal  

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2009 pre-print
arXiv:0910.3330v1 fatcat:ehtzoi3fpjadrny6hfrshmpbka
The Carnegie Supernova Project (CSP) is a five-year survey being carried out at the Las Campanas Observatory to obtain high-quality light curves of ~100 low-redshift Type Ia supernovae in a well-defined photometric system. Here we present the first release of photometric data that contains the optical light curves of 35 Type Ia supernovae, and near-infrared light curves for a subset of 25 events. The data comprise 5559 optical (ugriBV) and 1043 near-infrared (YJHKs) data points in the natural
more » ... stem of the Swope telescope. Twenty-eight supernovae have pre-maximum data, and for 15 of these, the observations begin at least 5 days before B maximum. This is one of the most accurate datasets of low-redshift Type Ia supernovae published to date. When completed, the CSP dataset will constitute a fundamental reference for precise determinations of cosmological parameters, and serve as a rich resource for comparison with models of Type Ia supernovae.
doi:10.1088/0004-6256/139/2/519 fatcat:wzn2djppczchjcoyqxkv7vqgl4
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Citation

Carlos Contreras, Mario Hamuy, M. M. Phillips, Gastón Folatelli, Nicholas B. Suntzeff, S. E. Persson, Maximilian Stritzinger, Luis Boldt, Sergio González, Wojtek Krzeminski, Nidia Morrell, Miguel Roth, Francisco Salgado, María José Maureira, Christopher R. Burns, W. L. Freedman, Barry F. Madore, David Murphy, Pamela Wyatt, Weidong Li, Alexei V. Filippenko. "THE CARNEGIE SUPERNOVA PROJECT: FIRST PHOTOMETRY DATA RELEASE OF LOW-REDSHIFT TYPE Ia SUPERNOVAE." Astronomical Journal 139.2 (2010) 519-539