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Revisiting the red supergiant progenitors of core-collapse supernovae

Van Dyk, Schuyler D. (2016) Revisiting the red supergiant progenitors of core-collapse supernovae. In: Astronomy in Focus. Proceedings of the International Astronomical Union. Vol.11. No.A29B. Cambridge University Press , Cambridge, p. 474. http://resolver.caltech.edu/CaltechAUTHORS:20170123-101610548

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Abstract

I will present a reanalysis of the properties of the red supergiant (RSG) progenitors of several extragalactic core-collapse, Type II-Plateau supernovae, including SN 2012aw, SN 2013ej, SN 2004et, and SN 2008bk. The observed spectral energy distributions (SEDs) for these stars, from the optical to the infrared, are compared with model SEDs for Galactic RSGs, as well as with the observed SEDs of analogous RSGs in Local Group galaxies. As a result, new estimates of the stellar temperatures and luminosities for the progenitors are obtained, and through comparison with recent massive stellar evolutionary tracks, new inferences are made for the progenitors initial masses. I will place these in the context of the RSG SN progenitor mass spectrum and of the so-called “red supergiant problem.”


Item Type:Book Section
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1017/S1743921316005913DOIArticle
ORCID:
AuthorORCID
Van Dyk, Schuyler D.0000-0001-9038-9950
Additional Information:© 2016 International Astronomical Union.
Subject Keywords:supernovae: individual (SN 2008bk, SN 2012aw, SN 2013ej); stars: evolution; stars: luminosity function, mass function; galaxies: individual (NGC 628, NGC 3351, NGC 7793); galaxies: stellar content
Record Number:CaltechAUTHORS:20170123-101610548
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20170123-101610548
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:73616
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:26 Jan 2017 17:06
Last Modified:26 Jan 2017 17:06

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