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MUSE Integral Field Observations of the Oxygen-rich SNR 1E 0102.2-7219

Published online by Cambridge University Press:  17 October 2017

Ivo R. Seitenzahl Open the ORCID record for Ivo R. Seitenzahl [Opens in a new window] ,
Frédéric P. A. Vogt ,
Jason P. Terry ,
Michael A. Dopita ,
Ashley J. Ruiter ,
Parviz Ghavamian  and
Tuguldur Sukhbold
Ivo R. Seitenzahl
Affiliation:
School of Physical, Environmental and Mathematical Sciences, University of New South Wales, Australian Defence Force Academy, Canberra, ACT 2600, Australia. email: [email protected] Research School of Astronomy and Astrophysics, Australian National University, Canberra, Australia. ARC Centre for All-sky Astrophysics (CAASTRO).
Frédéric P. A. Vogt
Affiliation:
European Southern Observatory, Av. Alonso de Córdova 3107, 763 0355 Vitacura, Santiago, Chile.
Jason P. Terry
Affiliation:
Department of Physics and Astronomy, University of Georgia, USA.
Michael A. Dopita
Affiliation:
Research School of Astronomy and Astrophysics, Australian National University, Canberra, Australia.
Ashley J. Ruiter
Affiliation:
Research School of Astronomy and Astrophysics, Australian National University, Canberra, Australia. ARC Centre for All-sky Astrophysics (CAASTRO).
Parviz Ghavamian
Affiliation:
Department of Physics, Astronomy and Geosciences, Towson University, Towson, MD 21252, USA.
Tuguldur Sukhbold
Affiliation:
Department of Astronomy and Center for Cosmology & Astro-Particle Physics, The Ohio State University, Columbus, OH 43210, USA.
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Abstract

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We have observed the oxygen-rich SNR 1E 0102.2-7219 with the integral field spectrograph WiFeS at Siding Spring Observatory and discovered sulfur-rich ejecta for the first time. Follow-up deep DDT observations with MUSE on the VLT (8100 s on source) reaching down to a noise level of ~5 × 10−20ergs−1cm−2Å−1spaxel−1 have led to the additional discovery of fast-moving hydrogen as well as argon-rich and chlorine-rich material. The detection of fast-moving hydrogen knots challenges the interpretation that the progenitor of 1E 0102 was a compact core of a Wolf-Rayet star that had shed its entire envelope. In addition to the detection of hydrogen and the products of oxygen-burning, this unprecedented sharp (0.2″ spaxel size at ~0.7″ seeing) and deep MUSE view of an oxygen-rich SNR in the Magellanic Clouds reveals further exciting discoveries, including [Fe xiv]λ5303 and [Fe xi]λ7892 emission, which we associate with the forward shock. We present this exciting data set and discuss some of its implications for the explosion mechanism and nucleosynthesis of the associated supernova.

Keywords

supernova remnants
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 12 , Symposium S331: Supernova 1987A:30 years later - Cosmic Rays and Nuclei from Supernovae and their aftermaths , February 2017 , pp. 178 - 183
Copyright
Copyright © International Astronomical Union 2017 

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