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

被引：227

作者：

Stritzinger, Maximilian D. ^{[1
,2
,3
]}

Phillips, M. M. ^{[3
]}

Boldt, Luis N. ^{[4
]}

Burns, Chris ^{[5
]}

Campillay, Abdo ^{[3
]}

Contreras, Carlos ^{[6
]}

Gonzalez, Sergio

Folatelli, Gaston ^{[7
]}

Morrell, Nidia ^{[3
]}

Krzeminski, Wojtek ^{[3
]}

Roth, Miguel ^{[3
]}

Salgado, Francisco ^{[8
]}

DePoy, D. L. ^{[9
]}

Hamuy, Mario ^{[10
]}

Freedman, Wendy L. ^{[5
]}

Madore, Barry F. ^{[5
,11
]}

Marshall, J. L. ^{[9
]}

Persson, Sven E. ^{[5
]}

Rheault, Jean-Philippe ^{[9
]}

Suntzeff, Nicholas B. ^{[9
]}

Villanueva, Steven ^{[9
]}

Li, Weidong ^{[12
]}

Filippenko, Alexei V. ^{[12
]}

机构：

[1] Stockholm Univ, Dept Astron, Oskar Klein Ctr, S-10691 Stockholm, Sweden

[2] Univ Copenhagen, Niels Bohr Inst, Dark Cosmol Ctr, DK-2100 Copenhagen O, Denmark

[3] Las Campanas Observ, Carnegie Observ, La Serena, Chile

[4] Univ Bonn, Argelander Inst Astron, D-53111 Bonn, Germany

[5] Observ Carnegie Inst Sci, Pasadena, CA 91101 USA

[6] Swinburne Univ Technol, Ctr Astrophys & Supercomp, Hawthorn, Vic 3122, Australia

[7] Univ Tokyo, IPMU, Chiba 2778583, Japan

[8] Leiden Univ, Leiden Observ, NL-2300 RA Leiden, Netherlands

[9] Texas A&M Univ, George P & Cynthia Woods Mitchell Inst Fundamenta, Dept Phys & Astron, College Stn, TX 77843 USA

[10] Univ Chile, Dept Astron, Santiago, Chile

[11] CALTECH, Jet Prop Lab, Infrared Proc & Anal Ctr, Pasadena, CA 91125 USA

[12] Univ Calif Berkeley, Dept Astron, Berkeley, CA 94720 USA

来源：

ASTRONOMICAL JOURNAL | 2011年 / 142卷 / 05期

基金：

美国国家科学基金会; 新加坡国家研究基金会; 美国国家航空航天局;

关键词：

galaxies: distances and redshifts; supernovae: general; ABSOLUTE MAGNITUDES; OPTICAL PHOTOMETRY; LIGHT CURVES; CONSTRAINTS; SN-1991T; DISTANCE; SEARCH;

D O I：

10.1088/0004-6256/142/5/156

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

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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页数：14

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