Journal
ASTRONOMICAL JOURNAL
Volume 142, Issue 5, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/0004-6256/142/5/156
Keywords
galaxies: distances and redshifts; supernovae: general
Categories
Funding
- NSF [AST-0306969, AST-0908886, AST-0607438, AST-1008343]
- Danish National Research Foundation
- CONICYT [1060808]
- Centro de Astrofisica FONDAP [15010003]
- Centro BASAL CATA [PFB-06]
- Millennium Center for Supernova Science [P06-045-F]
- TABASGO Foundation
- Jet Propulsion Laboratory, California Institute of Technology, under the National Aeronautics and Space Administration
- Division Of Astronomical Sciences
- Direct For Mathematical & Physical Scien [1008343] Funding Source: National Science Foundation
- Grants-in-Aid for Scientific Research [23740175] Funding Source: KAKEN
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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 similar to 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 similar to 1%. Finally, we report the discovery of a second SN Ia, SN 2006ot, similar in its characteristics to the peculiar SN 2006bt.
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