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The Pantheon+ analy...
The Pantheon+ analysis : the full data set and light-curve release
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- Scolnic, Dan (författare)
- Department of Physics, Duke University, NC, Durham, United States
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- Brout, Dillon (författare)
- Center for Astrophysics, Harvard & Smithsonian, MA, Cambridge, United States
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- 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
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- Davis, Tamara M. (författare)
- School of Mathematics and Physics, University of Queensland, QLD, Brisbane, Australia
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- Dwomoh, Arianna (författare)
- Department of Physics, Duke University, NC, Durham, United States
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- Jones, David O. (författare)
- Department of Astronomy and Astrophysics, University of California, CA, Santa Cruz, United States
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- Ali, Noor (författare)
- Umeå universitet
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- Charvu, Pranav (författare)
- Department of Physics, Duke University, NC, Durham, United States
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- Chen, Rebecca (författare)
- Department of Physics, Duke University, NC, Durham, United States
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- Peterson, Erik R. (författare)
- Department of Physics, Duke University, NC, Durham, United States
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- Popovic, Brodie (författare)
- Department of Physics, Duke University, NC, Durham, United States
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- Rose, Benjamin M. (författare)
- Department of Physics, Duke University, NC, Durham, United States
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- Wood, Charlotte M. (författare)
- Department of Physics and Astronomy, University of Notre Dame, IN, Notre Dame, United States
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- 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
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- Chambers, Ken (författare)
- Institute of Astronomy, University of Hawaii, HI, Honolulu, United States
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- Coulter, David A. (författare)
- Department of Astronomy and Astrophysics, University of California, CA, Santa Cruz, United States
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- Dettman, Kyle G. (författare)
- Department of Physics and Astronomy, Rutgers, the State University of New Jersey, NJ, Piscataway, United States
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- Dimitriadis, Georgios (författare)
- School of Physics, Trinity College Dublin, The University of Dublin, Dublin 2, Ireland
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- 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
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- Foley, Ryan J. (författare)
- Department of Astronomy and Astrophysics, University of California, CA, Santa Cruz, United States
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- Jha, Saurabh W. (författare)
- Department of Physics and Astronomy, Rutgers, the State University of New Jersey, NJ, Piscataway, United States
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- Kilpatrick, Charles D. (författare)
- Center for Interdisciplinary Exploration and Research in Astrophysics (CIERA), Northwestern University, IL, Evanston, United States
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- Kirshner, Robert P. (författare)
- Center for Astrophysics, Harvard & Smithsonian, MA, Cambridge, United States; Gordon and Betty Moore Foundation, CA, Palo Alto, United States
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- Pan, Yen-Chen (författare)
- Graduate Institute of Astronomy, National Central University, Jhongli, Taiwan
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- Rest, Armin (författare)
- Space Telescope Science Institute, MD, Baltimore, United States
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- Rojas-Bravo, Cesar (författare)
- Department of Astronomy and Astrophysics, University of California, CA, Santa Cruz, United States
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- Siebert, Matthew R. (författare)
- Department of Astronomy and Astrophysics, University of California, CA, Santa Cruz, United States
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- Stahl, Benjamin E. (författare)
- Department of Astronomy, University of California, CA, Berkeley, United States
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- 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.
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Ingår i: Astrophysical Journal. - : Institute of Physics (IOP). - 0004-637X .- 1538-4357. ; 938:2
- Relaterad länk:
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https://doi.org/10.3...
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visa fler...
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https://umu.diva-por... (primary) (Raw object)
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https://urn.kb.se/re...
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https://doi.org/10.3...
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Abstract
Ämnesord
Stäng
- 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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- Av författaren/redakt...
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Scolnic, Dan
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Brout, Dillon
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Carr, Anthony
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Riess, Adam G.
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Davis, Tamara M.
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Dwomoh, Arianna
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Jones, David O.
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Ali, Noor
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Charvu, Pranav
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Chen, Rebecca
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Peterson, Erik R ...
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Popovic, Brodie
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Rose, Benjamin M ...
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Wood, Charlotte ...
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Brown, Peter J.
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Chambers, Ken
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Coulter, David A ...
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Dettman, Kyle G.
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Dimitriadis, Geo ...
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Filippenko, Alex ...
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Foley, Ryan J.
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Jha, Saurabh W.
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Kilpatrick, Char ...
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Kirshner, Robert ...
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Pan, Yen-Chen
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Rest, Armin
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Rojas-Bravo, Ces ...
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Siebert, Matthew ...
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Stahl, Benjamin ...
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Zheng, WeiKang
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