Accès ouvert déclaré 2023 article

Constraints on the Hubble constant from supernova Refsdal’s reappearance

Patrick L. Kelly, S. Rodney, Tommaso Treu, Masamune Oguri, Wenlei Chen, Adi Zitrin, Simon Birrer, V. Bonvin, Luc Dessart, J. M. Diego, A. V. Filippenko, R. J. Foley, Daniel Gilman, J. Hjorth, Mathilde Jauzac, Kaisey S. Mandel, Martin Millon, Justin Pierel, Keren Sharon, Stephen Thorp, Liliya L. R. Williams, Tom Broadhurst, Alan Dressler, Or Graur, Saurabh W. Jha, C. McCully, Marc Postman, B. Tucker, Anja von der Linden

131Citations signalées, ce qui n’est pas une note de qualité

40Institutions déclarées

14Pays d’affiliation déclarés

Rattachement africain : us, jp, il, ch, fr, es, ca, dk, gb, Afrique du Sud, ru, se, de, au. Niveau de preuve : code pays fourni par la source.

Le résumé fourni par la source

The gravitationally lensed supernova Refsdal appeared in multiple images produced through gravitational lensing by a massive foreground galaxy cluster. After the supernova appeared in 2014, lens models of the galaxy cluster predicted that an additional image of the supernova would appear in 2015, which was subsequently observed. We use the time delays between the images to perform a blinded measurement of the expansion rate of the Universe, quantified by the Hubble constant ( H 0 ). Using eight cluster lens models, we infer H 0 = 64.8 − 4.3 + 4.4 kilometers per second per megaparsec . Using the two models most consistent with the observations, we find H 0 = 66.6 − 3.3 + 4.1 kilometers per second per megaparsec . The observations are best reproduced by models that assign dark-matter halos to individual galaxies and the overall cluster.

Ce résumé expose les affirmations des auteurs. BNTIC ne l’interprète pas comme une validation indépendante des résultats.

Le contrôle bibliographique ouvert

DOI retrouvé dans Crossref DOI retrouvé ; titre concordant.

Titre Crossref: Constraints on the Hubble constant from supernova Refsdal’s reappearance
Date Crossref: 09/06/2023
Éditeur: American Association for the Advancement of Science (AAAS)
Type: journal-article

Ce recoupement confirme des métadonnées liées au DOI. Il ne confirme ni la méthode ni les conclusions de l’étude, et il ne compte pas comme une seconde source scientifique indépendante.

Les institutions déclarées

University of Minnesota University of South Carolina University of California, Los Angeles Chiba University Kavli Institute for the Physics and Mathematics of the Universe The University of Tokyo Ben-Gurion University of the Negev Kavli Institute for Particle Astrophysics and Cosmology Stony Brook University Stanford University École Polytechnique Fédérale de Lausanne Institut d'Astrophysique de Paris Sorbonne Université Instituto de Física de Cantabria Miller College University of California, Berkeley University of California, Santa Cruz University of Toronto University of Copenhagen Durham University University of KwaZulu-Natal University of Cambridge Institute of Astronomy Space Telescope Science Institute University of Michigan Stockholm University AlbaNova Ikerbasque Donostia International Physics Center Carnegie Institution for Science Carnegie Observatories American Museum of Natural History University of Portsmouth Rutgers, The State University of New Jersey Las Cumbres Observatory Global Telescope Network University of California, Santa Barbara Leibniz Institute for Astrophysics Potsdam Australian National University Mount Stromlo Observatory ARC Centre of Excellence for All-sky Astrophysics

Une affiliation ne permet pas de déduire la nationalité d’un auteur.

Les sujets associés

Cosmology and Gravitation TheoriesGamma-ray bursts and supernovaeAstrophysics and Cosmic Phenomena

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