Interacting supernovae from photoionization-confined shells around red supergiant stars

Jonathan Mackey (), Shazrene Mohamed, Vasilii V. Gvaramadze, Rubina Kotak, Norbert Langer, Dominique M.-A. Meyer, Takashi J. Moriya and Hilding R. Neilson
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Jonathan Mackey: Argelander-Institut für Astronomie, Auf dem Hügel 71, 53121 Bonn, Germany
Shazrene Mohamed: South African Astronomical Observatory, PO Box 9, 7935 Observatory, South Africa
Vasilii V. Gvaramadze: Sternberg Astronomical Institute, Lomonosov Moscow State University, Universitetskij Prospect 13, Moscow 119992, Russia
Rubina Kotak: Astrophysics Research Centre, School of Mathematics and Physics, Queen’s University Belfast, Belfast BT7 1NN, UK
Norbert Langer: Argelander-Institut für Astronomie, Auf dem Hügel 71, 53121 Bonn, Germany
Dominique M.-A. Meyer: Argelander-Institut für Astronomie, Auf dem Hügel 71, 53121 Bonn, Germany
Takashi J. Moriya: Argelander-Institut für Astronomie, Auf dem Hügel 71, 53121 Bonn, Germany
Hilding R. Neilson: East Tennessee State University, Box 70652, Johnson City, Tennessee 37614, USA

Nature, 2014, vol. 512, issue 7514, 282-285

Abstract: A model in which the stellar wind of the fast-moving red supergiant Betelgeuse is photoionized by radiation from external sources can explain the dense, almost static shell recently discovered around the star, and predicts both that debris from Betelgeuse’s eventual supernova explosion will violently collide with the shell and that other red supergiants should have similar, but much more massive, shells.

Date: 2014
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DOI: 10.1038/nature13522

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