The Pantheon plus Analysis: The Full Data Set and Light-curve Release

被引:303
|
作者
Scolnic, Dan [1 ]
Brout, Dillon [2 ]
Carr, Anthony [3 ]
Riess, Adam G. [4 ,5 ]
Davis, Tamara M. [3 ]
Dwomoh, Arianna [1 ]
Jones, David O. [6 ]
Ali, Noor [7 ]
Charvu, Pranav [1 ]
Chen, Rebecca [1 ]
Peterson, Erik R. [1 ]
Popovic, Brodie [1 ]
Rose, Benjamin M. [1 ]
Wood, Charlotte M. [8 ]
Brown, Peter J. [9 ,10 ]
Chambers, Ken [11 ]
Coulter, David A. [6 ]
Dettman, Kyle G. [12 ]
Dimitriadis, Georgios [13 ]
Filippenko, Alexei, V [14 ,15 ]
Foley, Ryan J. [6 ]
Jha, Saurabh W. [12 ]
Kilpatrick, Charles D. [16 ]
Kirshner, Robert P. [2 ,17 ]
Pan, Yen-Chen [18 ]
Rest, Armin [4 ]
Rojas-Bravo, Cesar [6 ]
Siebert, Matthew R. [6 ]
Stahl, Benjamin E. [14 ]
Zheng, WeiKang [14 ]
机构
[1] Duke Univ, Dept Phys, Durham, NC 27708 USA
[2] Harvard & Smithsonian, Ctr Astrophys, Cambridge, MA 02138 USA
[3] Univ Queensland, Sch Math & Phys, Brisbane, Qld 4072, Australia
[4] Space Telescope Sci Inst, 3700 San Martin Dr, Baltimore, MD 21218 USA
[5] Johns Hopkins Univ, Dept Phys & Astron, Baltimore, MD 21218 USA
[6] Univ Calif Santa Cruz, Dept Astron & Astrophys, Santa Cruz, CA 92064 USA
[7] Umea Univ, SE-90187 Umea, Sweden
[8] Univ Notre Dame, Dept Phys & Astron, Notre Dame, IN 46556 USA
[9] Texas A&M Univ, Dept Phys & Astron, 4242 TAMU, College Stn, TX 77843 USA
[10] George P & Cynthia Woods Mitchell Inst Fundamenta, College Stn, TX 77843 USA
[11] Univ Hawaii, Inst Astron, 2680 Woodlawn Dr, Honolulu, HI 96822 USA
[12] Rutgers State Univ, Dept Phys & Astron, Piscataway, NJ 08854 USA
[13] Univ Dublin, Trinity Coll Dublin, Sch Phys, Dublin 2, Ireland
[14] Univ Calif Berkeley, Dept Astron, 601 Campbell Hall, Berkeley, CA 94720 USA
[15] Univ Calif Berkeley, Miller Inst Basic Res Sci, Berkeley, CA 94720 USA
[16] Northwestern Univ, Ctr Interdisciplinary Explorat & Res Astrophys CI, Evanston, IL 60208 USA
[17] Gordon & Betty Moore Fdn, Palo Alto, CA 94304 USA
[18] Natl Cent Univ, Grad Inst Astron, Jhongli 32001, Taiwan
来源
ASTROPHYSICAL JOURNAL | 2022年 / 938卷 / 02期
基金
美国国家科学基金会; 澳大利亚研究理事会; 美国国家航空航天局;
关键词
HUBBLE-SPACE-TELESCOPE; PHOTOMETRY DATA RELEASE; IA SUPERNOVAE; ACCELERATING UNIVERSE; SNE IA; CONSTRAINTS; DISCOVERIES; CALIBRATION; DISTANCES; DESIGN;
D O I
10.3847/1538-4357/ac8b7a
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
Here we present 1701 light curves of 1550 unique, spectroscopically confirmed Type Ia supernovae (SNe Ia) that will be used to infer cosmological parameters as part of the Pantheon+ SN analysis and the Supernovae and H (0) for the Equation of State of dark energy distance-ladder analysis. This effort is one part of a series of works that perform an extensive review of redshifts, peculiar velocities, photometric calibration, and intrinsic-scatter models of SNe Ia. The total number of light curves, which are compiled across 18 different surveys, is a significant increase from the first Pantheon analysis (1048 SNe), particularly at low redshift (z). Furthermore, unlike in the Pantheon analysis, we include light curves for SNe with z < 0.01 such that SN systematic covariance can be included in a joint measurement of the Hubble constant (H (0)) and the dark energy equation-of-state parameter (w). We use the large sample to compare properties of 151 SNe Ia observed by multiple surveys and 12 pairs/triplets of "SN siblings"-SNe found in the same host galaxy. Distance measurements, application of bias corrections, and inference of cosmological parameters are discussed in the companion paper by Brout et al., and the determination of H (0) is discussed by Riess et al. These analyses will measure w with similar to 3% precision and H (0) with similar to 1 km s(-1) Mpc(-1) precision.
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页数:15
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