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Sökning: WFRF:(Brout D.) > (2022) > The Pantheon+ analy...

The Pantheon+ analysis : the full data set and light-curve release

Scolnic, Dan (författare)
Department of Physics, Duke University, NC, Durham, United States
Brout, Dillon (författare)
Center for Astrophysics, Harvard & Smithsonian, MA, Cambridge, United States
Carr, Anthony (författare)
School of Mathematics and Physics, University of Queensland, QLD, Brisbane, Australia
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Riess, Adam G. (författare)
Space Telescope Science Institute, MD, Baltimore, United States; Department of Physics and Astronomy, Johns Hopkins University, MD, Baltimore, United States
Davis, Tamara M. (författare)
School of Mathematics and Physics, University of Queensland, QLD, Brisbane, Australia
Dwomoh, Arianna (författare)
Department of Physics, Duke University, NC, Durham, United States
Jones, David O. (författare)
Department of Astronomy and Astrophysics, University of California, CA, Santa Cruz, United States
Ali, Noor (författare)
Umeå universitet
Charvu, Pranav (författare)
Department of Physics, Duke University, NC, Durham, United States
Chen, Rebecca (författare)
Department of Physics, Duke University, NC, Durham, United States
Peterson, Erik R. (författare)
Department of Physics, Duke University, NC, Durham, United States
Popovic, Brodie (författare)
Department of Physics, Duke University, NC, Durham, United States
Rose, Benjamin M. (författare)
Department of Physics, Duke University, NC, Durham, United States
Wood, Charlotte M. (författare)
Department of Physics and Astronomy, University of Notre Dame, IN, Notre Dame, United States
Brown, Peter J. (författare)
Department of Physics and Astronomy, Texas A&M University, 4242 TAMU, TX, College Station, United States; George P. and Cynthia Woods Mitchell Institute for Fundamental Physics & Astronomy, TX, College Station, United States
Chambers, Ken (författare)
Institute of Astronomy, University of Hawaii, HI, Honolulu, United States
Coulter, David A. (författare)
Department of Astronomy and Astrophysics, University of California, CA, Santa Cruz, United States
Dettman, Kyle G. (författare)
Department of Physics and Astronomy, Rutgers, the State University of New Jersey, NJ, Piscataway, United States
Dimitriadis, Georgios (författare)
School of Physics, Trinity College Dublin, The University of Dublin, Dublin 2, Ireland
Filippenko, Alexei V. (författare)
Department of Astronomy, University of California, CA, Berkeley, United States; Miller Institute for Basic Research in Science, University of California, CA, Berkeley, United States
Foley, Ryan J. (författare)
Department of Astronomy and Astrophysics, University of California, CA, Santa Cruz, United States
Jha, Saurabh W. (författare)
Department of Physics and Astronomy, Rutgers, the State University of New Jersey, NJ, Piscataway, United States
Kilpatrick, Charles D. (författare)
Center for Interdisciplinary Exploration and Research in Astrophysics (CIERA), Northwestern University, IL, Evanston, United States
Kirshner, Robert P. (författare)
Center for Astrophysics, Harvard & Smithsonian, MA, Cambridge, United States; Gordon and Betty Moore Foundation, CA, Palo Alto, United States
Pan, Yen-Chen (författare)
Graduate Institute of Astronomy, National Central University, Jhongli, Taiwan
Rest, Armin (författare)
Space Telescope Science Institute, MD, Baltimore, United States
Rojas-Bravo, Cesar (författare)
Department of Astronomy and Astrophysics, University of California, CA, Santa Cruz, United States
Siebert, Matthew R. (författare)
Department of Astronomy and Astrophysics, University of California, CA, Santa Cruz, United States
Stahl, Benjamin E. (författare)
Department of Astronomy, University of California, CA, Berkeley, United States
Zheng, WeiKang (författare)
Department of Astronomy, University of California, CA, Berkeley, United States
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 (creator_code:org_t)
2022-10-19
2022
Engelska.
Ingår i: Astrophysical Journal. - : Institute of Physics (IOP). - 0004-637X .- 1538-4357. ; 938:2
Relaterad länk:
https://doi.org/10.3...
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https://umu.diva-por... (primary) (Raw object)
https://urn.kb.se/re...
https://doi.org/10.3...
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  • Tidskriftsartikel (refereegranskat)
Abstract Ämnesord
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  • 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 H0 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 (H0) 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 H0 is discussed by Riess et al. These analyses will measure w with ∼3% precision and H0 with ∼1 km s−1 Mpc−1 precision.

Ämnesord

NATURVETENSKAP  -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
NATURAL SCIENCES  -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)

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