A hybrid type Ia supernova with an early flash triggered by helium-shell detonation

Ji-an Jiang (), Mamoru Doi, Keiichi Maeda, Toshikazu Shigeyama, Ken’ichi Nomoto, Naoki Yasuda, Saurabh W. Jha, Masaomi Tanaka, Tomoki Morokuma, Nozomu Tominaga, Željko Ivezić, Pilar Ruiz-Lapuente, Maximilian D. Stritzinger, Paolo A. Mazzali, Christopher Ashall, Jeremy Mould, Dietrich Baade, Nao Suzuki, Andrew J. Connolly, Ferdinando Patat, Lifan Wang, Peter Yoachim, David Jones, Hisanori Furusawa and Satoshi Miyazaki
Additional contact information
Ji-an Jiang: Institute of Astronomy, Graduate School of Science, The University of Tokyo
Mamoru Doi: Institute of Astronomy, Graduate School of Science, The University of Tokyo
Keiichi Maeda: Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo
Toshikazu Shigeyama: Research Center for the Early Universe, Graduate School of Science, The University of Tokyo
Ken’ichi Nomoto: Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo
Naoki Yasuda: Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo
Saurabh W. Jha: Rutgers, The State University of New Jersey
Masaomi Tanaka: Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo
Tomoki Morokuma: Institute of Astronomy, Graduate School of Science, The University of Tokyo
Nozomu Tominaga: Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo
Željko Ivezić: University of Washington
Pilar Ruiz-Lapuente: Instituto de Física Fundamental, Consejo Superior de Investigaciones Científicas
Maximilian D. Stritzinger: Aarhus University
Paolo A. Mazzali: Astrophysics Research Institute, Liverpool John Moores University, IC2, Liverpool Science Park
Christopher Ashall: Astrophysics Research Institute, Liverpool John Moores University, IC2, Liverpool Science Park
Jeremy Mould: Centre for Astrophysics and Supercomputing, Swinburne University of Technology
Dietrich Baade: European Organisation for Astronomical Research in the Southern Hemisphere (ESO)
Nao Suzuki: Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo
Andrew J. Connolly: University of Washington
Ferdinando Patat: European Organisation for Astronomical Research in the Southern Hemisphere (ESO)
Lifan Wang: George P. and Cynthia Woods Mitchell Institute for Fundamental Physics and Astronomy, Texas A&M University
Peter Yoachim: University of Washington
David Jones: Instituto de Astrofísica de Canarias
Hisanori Furusawa: National Astronomical Observatory of Japan
Satoshi Miyazaki: National Astronomical Observatory of Japan

Nature, 2017, vol. 550, issue 7674, 80-83

Abstract: The detection and simulation of a type Ia supernova with an early, red flash suggests that it formed through detonation of the helium shell of a white dwarf, rather than by collision of the ejecta with a companion star or by merging with another white dwarf.

Date: 2017
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DOI: 10.1038/nature23908

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