ALMA and NOEMA constraints on synchrotron nebular emission from embryonic superluminous supernova remnants and radio–gamma-ray connection

Kohta Murase,Conor M. B. Omand,Deanne L. Coppejans,Hiroshi Nagai,Geoffrey C. Bower,Ryan Chornock,Derek B. Fox,Kazumi Kashiyama,Casey Law,Raffaella Margutti,Peter Meszaros

Monthly Notices of the Royal Astronomical Society（2021）

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摘要

Fast-rotating pulsars and magnetars have been suggested as the central engines of superluminous supernovae (SLSNe) and fast radio bursts, and this scenario naturally predicts non-thermal synchrotron emission from their nascent pulsar wind nebulae (PWNe). We report results of high-frequency radio observations with ALMA and NOEMA for three SLSNe (SN 2015bn, SN 2016ard, and SN 2017egm), and present a...

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关键词

radiation mechanisms: non-thermal,stars: magnetars,pulsars: general,fast radio bursts,transients: supernova,radio continuum: transients

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