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Date and Time of the Query: 2019-06-25 T06:58:18 PDT
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For refcode 2011AJ....142..156S:
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2011AJ....142..156S The Carnegie Supernova Project: Second Photometry Data Release of Low-redshift Type Ia Supernovae Stritzinger, Maximilian D.; Phillips, M. M.; Boldt, Luis N.; Burns, Chris; Campillay, Abdo; Contreras, Carlos; Gonzalez, Sergio; Folatelli, Gaston; Morrell, Nidia; Krzeminski, Wojtek; Roth, Miguel; Salgado, Francisco; DePoy, D. L.; Hamuy, Mario; Freedman, Wendy L.; Madore, Barry F.; Marshall, J. L.; Persson, Sven E.; Rheault, Jean-Philippe; Suntzeff, Nicholas B.; Villanueva, Steven; Li, Weidong; Filippenko, Alexei V. Abstract. The Carnegie Supernova Project (CSP) was a five-year observational survey conducted at Las Campanas Observatory that obtained, among other things, high-quality light curves of ~100 low-redshift Type Ia supernovae (SNe Ia). Presented here is the second data release of nearby SN Ia photometry consisting of 50 objects, with a subset of 45 having near-infrared follow-up observations. Thirty-three objects have optical pre-maximum coverage with a subset of 15 beginning at least five days before maximum light. In the near-infrared, 27 objects have coverage beginning before the epoch of B-band maximum, with a subset of 13 beginning at least five days before maximum. In addition, we present results of a photometric calibration program to measure the CSP optical (uBgVri) bandpasses with an accuracy of ~1%. Finally, we report the discovery of a second SN Ia, SN 2006ot, similar in its characteristics to the peculiar SN 2006bt. Key words: galaxies: distances and redshifts, supernovae: general
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