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American Association for the Advancement of Science, Science, 6335(356), p. 291-295, 2017

DOI: 10.1126/science.aal2729

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iPTF16geu: A multiply imaged, gravitationally lensed type Ia supernova

Journal article published in 2017 by A. Goobar ORCID, R. Amanullah ORCID, S. R. Kulkarni ORCID, P. E. Nugent ORCID, J. Johansson ORCID, C. Steidel ORCID, D. Law ORCID, E. Mörtsell ORCID, R. Quimby, N. Blagorodnova ORCID, A. Brandeker ORCID, Y. Cao, A. Cooray ORCID, R. Ferretti ORCID, C. Fremling and other authors.
This paper is available in a repository.
This paper is available in a repository.

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Abstract

Multiple images of a type Ia supernova General relativity indicates that any sufficiently massive object bends the path of light passing by it. This effect is known as gravitational lensing. Goobar et al. have identified a supernova that is strongly lensed by a foreground galaxy, causing it to be highly magnified and splitting the light into four separate images. What is more, it is a type Ia supernova, a well-studied variety with reliable properties that can be used to constrain models of the lensing. This distinctive object will enable cosmological measurements and can be used to probe the distribution of mass in the foreground galaxy. Science , this issue p. 291