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Molecular Environments of SNRs

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arxiv 1304.5367 v3 pith:ZSE2ILOW submitted 2013-04-19 astro-ph.GA astro-ph.HE

Yang Chen (1) , Bing Jiang (1) , Ping Zhou (1) , Yang Su (2) , Xin Zhou (2) , Hui Li (3 , 1) , Xiao Zhang (1) ((1) Nanjing University
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(2) Purple Mountain Observatory (3) University of Michigan)
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keywords molecularsnrsenvironmentsprogenitorsprotonssupernovaacceleratedarising
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There are about 70 Galactic supernova remnants (SNRs) that are now confirmed or suggested to be in physical contact with molecular clouds (MCs) with six kinds of evidence of multiwavelength observations. Recent detailed CO-line spectroscopic mappings of a series of SNRs reveal them to be in cavities of molecular gas, implying the roles the progenitors may have played. We predict a linear correlation between the wind bubble sizes of main-sequence OB stars in a molecular environment and the stellar masses and discuss its implication for supernova progenitors. The molecular environments of SNRs can serve as a good probe for the gamma-rays arising from the hadronic interaction of the accelerated protons, and this paper also discusses the gamma-ray emission from MCs illuminated by diffusive protons that escape from SNR shocks.

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Cited by 1 Pith paper

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. The ALMA carbon monoxide supernova (ACOS) survey II. Turbulent giant molecular clouds at the positions of core-collapse supernovae

    astro-ph.GA 2026-08 conditional novelty 6.0 of 10

    Core-collapse supernovae are found in molecular gas with median CO(2-1) velocity dispersion of about 9 km/s, versus 3.8 km/s for typical host-galaxy pixels.

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