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Measuring the dust content and formation in SN 1987A using detailed radiative transfer modelling

Published online by Cambridge University Press:  17 October 2017

Maarten Baes Open the ORCID record for Maarten Baes [Opens in a new window] ,
Peter Camps ,
Phil J. Cigan ,
Christopher L. Fryer ,
Mikako Matsuura  and
Sam Verstocken
Maarten Baes
Affiliation:
Sterrenkundig Observatorium, Universiteit Gent Krijgslaan 281 S9, 9000 Gent, Belgium email: maarten.baes@ugent.be, peter.camps@ugent.be, sam.verstocken@ugent.be
Peter Camps
Affiliation:
Sterrenkundig Observatorium, Universiteit Gent Krijgslaan 281 S9, 9000 Gent, Belgium email: maarten.baes@ugent.be, peter.camps@ugent.be, sam.verstocken@ugent.be
Phil J. Cigan
Affiliation:
School of Physics and Astronomy, Cardiff University The Parade, Cardiff 24CF 3YB, UK email: ciganp@cardiff.ac.uk, matsuuram@cardiff.ac.uk
Christopher L. Fryer
Affiliation:
Center for Theoretical Astrophysics, Los Alamos National Lab Los Alamos, NM 87544, USA email: fryer@lanl.gov
Mikako Matsuura
Affiliation:
School of Physics and Astronomy, Cardiff University The Parade, Cardiff 24CF 3YB, UK email: ciganp@cardiff.ac.uk, matsuuram@cardiff.ac.uk
Sam Verstocken
Affiliation:
Sterrenkundig Observatorium, Universiteit Gent Krijgslaan 281 S9, 9000 Gent, Belgium email: maarten.baes@ugent.be, peter.camps@ugent.be, sam.verstocken@ugent.be
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Abstract

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Core-collapse supernovae are expected to be efficient producers of dust, and recent Herschel and ALMA observations have revealed up to 1 M⊙ of cold dust in the inner ejecta of SN 1987A. The formation time scale, spatial distribution and clumpiness, and the importance of the different heating sources of the dust remain poorly understood. We have started a project to make detailed 3D dust radiative transfer models for SN 1987A, based on a combination of the latest observational constraints and input from 3D hydrodynamical models and dust formation models. Preliminary results seem to indicate the need for large, micron-sized dust grains, and a relatively large dust mass.

Keywords

radiative transfersupernovae: individual (SN 1987A)
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. 300 - 303
Copyright
Copyright © International Astronomical Union 2017 

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