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Constraining massive star mass loss through supernova radio properties

Published online by Cambridge University Press:  29 August 2024

Takashi Moriya Open the ORCID record for Takashi Moriya [Opens in a new window]
Takashi Moriya*
Affiliation:
National Astronomical Observatory of Japan, National Institutes of Natural Sciences, 2-21-1 Osawa, Mitaka, Tokyo 181-8588, Japan School of Physics and Astronomy, Faculty of Science, Monash University, Clayton, Victoria 3800, Australia
*
email: takashi.moriya@nao.ac.jp
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Abstract

Supernova properties in radio strongly depend on their circumstellar environment and they are an important probe to investigate the mass loss of supernova progenitors. Recently, core-collapse supernova observations in radio have been assembled and the rise time and peak luminosity distribution of core-collapse supernovae in radio has been obtained. In this talk, we will discuss the constraints on the mass-loss prescriptions of red supergiants obtained from the assembled radio properties of Type II supernovae. We take a couple of mass-loss prescriptions for red supergiants, calculate the rise time and peak luminosity distribution based on them, and compare the results with the observed distribution. We found that the widely spread radio rise time and peak luminosity distribution of Type II supernovae can only be explained by mass-loss prescriptions having strong dependence on the luminosity. Red supergiant mass-loss prescriptions should have steep luminosity dependence in the supernova progenitor range.

Keywords

circumstellar matterstars: mass-losssupergiantssupernovae: general
Type
Contributed Paper
Information
Proceedings of the International Astronomical Union , Volume 18 , Symposium S361: Massive Stars Near and Far , May 2022 , pp. 580 - 583
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Copyright
© The Author(s), 2024. Published by Cambridge University Press on behalf of International Astronomical Union

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