What planetary nebulae can tell us about jets in core collapse supernovae

Abstract

We compare the morphology of the core collapse supernova remnant (CCSNR) W49B with the morphology of many planetary nebulae (PNe), and deduce the orientation of the jets that shaped this CCSNR and estimate their energy. We find morphological features that are shared by some PNe and by the CCSNR W49B. In PNe these features, such as a barrel-shaped main body, are thought to be shaped by jets. We use these morphological similarities to deduce that the jets that shaped SNR W49B were launched along the symmetry axis of the `barrel', and to speculate that this CCSNR has two opposite lobes (or ears), that are too faint to be observed. We crudely estimate that the jets that shaped the CCSNR into a barrel shape had a kinetic energy that amounts to about one quarter to one third of the energy of the entire CCSNR. The morphological similarities strengthen the suggestion that jets play a central role in the explosion of massive stars.

Accepted by MNRAS

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• Asymmetric Type-Ia supernova origin of W49B as revealed from spatially resolved X-ray spectroscopic study
• Core collapse supernova remnants with ears
• The imprints of the last jets in core collapse supernovae
• The role of jets in exploding supernovae and in shaping their remnants
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• Imprints of the jittering jets explosion mechanism in the morphology of the supernova remnant SNR 0540-69.3
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• Simulating the shaping of point-symmetric structures in the jittering jets explosion mechanism
• Feeding post core collapse supernova explosion jets with an inflated main sequence companion
• Storing magnetic fields in pre-collapse cores of massive stars
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• Common envelope jets supernova with thermonuclear outburst progenitor for the enigmatic supernova remnant W49B
• The main jet axis of the W49B supernova remnant
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• Possible post-kick jets in SN 1987A
• The rotational shear in pre-collapse cores of massive stars