A strong ultraviolet pulse from a newborn type Ia supernova

Yi Cao (), S. R. Kulkarni, D. Andrew Howell, Avishay Gal-Yam, Mansi M. Kasliwal, Stefano Valenti, J. Johansson, R. Amanullah, A. Goobar, J. Sollerman, F. Taddia, Assaf Horesh, Ilan Sagiv, S. Bradley Cenko, Peter E. Nugent, Iair Arcavi, Jason Surace, P. R. Woźniak, Daniela I. Moody, Umaa D. Rebbapragada, Brian D. Bue and Neil Gehrels
Additional contact information
Yi Cao: California Institute of Technology
S. R. Kulkarni: California Institute of Technology
D. Andrew Howell: Las Cumbres Observatory Global Telescope Network
Avishay Gal-Yam: Weizmann Institute of Science
Mansi M. Kasliwal: Observatories of the Carnegie Institution for Science
Stefano Valenti: Las Cumbres Observatory Global Telescope Network
J. Johansson: The Oskar Klein Centre, Stockholm University
R. Amanullah: The Oskar Klein Centre, Stockholm University
A. Goobar: The Oskar Klein Centre, Stockholm University
J. Sollerman: The Oskar Klein Centre, Stockholm University
F. Taddia: The Oskar Klein Centre, Stockholm University
Assaf Horesh: Weizmann Institute of Science
Ilan Sagiv: Weizmann Institute of Science
S. Bradley Cenko: NASA Goddard Space Flight Center
Peter E. Nugent: Lawrence Berkeley National Laboratory
Iair Arcavi: Las Cumbres Observatory Global Telescope Network
Jason Surace: Spitzer Science Center, California Institute of Technology
P. R. Woźniak: Los Alamos National Laboratory
Daniela I. Moody: Los Alamos National Laboratory
Umaa D. Rebbapragada: Jet Propulsion Laboratory, California Institute of Technology
Brian D. Bue: Jet Propulsion Laboratory, California Institute of Technology
Neil Gehrels: NASA Goddard Space Flight Center

Nature, 2015, vol. 521, issue 7552, 328-331

Abstract: Observations of declining ultraviolet emission from a type Ia supernova within four days of the explosion are as expected if material ejected by the supernova collided with a companion star, supporting the single degenerate channel model of supernova progenitors.

Date: 2015
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DOI: 10.1038/nature14440

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