Hints of point-symmetric structures in SN 1987A: The jittering jets explosion mechanism

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4 Scopus citations

Abstract

I identify a point-symmetric structure composed of three pairs of clumps in the recently released JWST image of the ejecta of SN 1987A and argue that these pairs of clumps support the jittering jets explosion mechanism (JJEM) for SN 1987A. I compare this point-symmetric structure with the multipolar-lobe morphology of a post-asymptotic giant branch nebula. The three pairs of clumps in the post-AGB nebula are formed at the tip of jet-inflated lobes. I use this similarity to strengthen earlier claims that SN 1987A was exploded by jets in the frame of the JJEM.

Original languageEnglish
Article number102154
JournalNew Astronomy
Volume107
DOIs
StatePublished - Apr 2024

Keywords

  • General – stars
  • Individual (SN 1987A)
  • Jets – ISM
  • Massive – stars
  • Neutron – supernovae
  • Stars
  • Supernova remnants – supernovae

ASJC Scopus subject areas

  • Instrumentation
  • Astronomy and Astrophysics
  • Space and Planetary Science

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