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Simulating the Outer Nebula of SN 1987A

Published online by Cambridge University Press:  29 January 2014

Ben Fitzpatrick ,
Thomas Morris  and
Philipp Podsiadlowski
Ben Fitzpatrick
Affiliation:
Dept. of Astrophysics, University of Oxford, Denys Wilkinson Building, Keble Road, Oxford, OX1 3RH, United Kingdom email: [email protected]
Thomas Morris
Affiliation:
Dept. of Astrophysics, University of Oxford, Denys Wilkinson Building, Keble Road, Oxford, OX1 3RH, United Kingdom email: [email protected]
Philipp Podsiadlowski
Affiliation:
Dept. of Astrophysics, University of Oxford, Denys Wilkinson Building, Keble Road, Oxford, OX1 3RH, United Kingdom email: [email protected]
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Abstract

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As has been shown previously, the triple-ring nebula around SN 1987A can be understood as a direct consequence of the merger of two stars, some 20,000 yr before the explosion. Here we present new SPH simulations that also include the pre-merger mass loss and show that this may be able to explain other structures observed around SN 1987A, such as Napoleon's hat and various light echoes.

Keywords

binaries (including multiple): closestars: mass losssupernovae: SN 1987Asupernova remnants
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 9 , Symposium S296: Supernova Environmental Impacts , January 2013 , pp. 328 - 329
Copyright
Copyright © International Astronomical Union 2014 

References

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