Simulating the negative jet feedback mechanism in common envelope jets supernovae

Abstract

We use the stellar evolution code MESA to study the negative jet feedback mechanism in common envelope jets supernovae (CEJSNe) where a neutron star (NS) launches jets in the envelope of a red supergiant (RSG), and find that the feedback reduces the mass accretion rate to be ${\chi }_{\mathrm{j}}\simeq 0.04-0.3$ times the mass accretion rate without the operation of jets. We mimic the effect of the jets on the RSG envelope by depositing the energy that the jets carry into the envelope zones outside the NS orbit. The energy deposition inflates the envelope, therefore reducing the density in the NS vicinity, which in turn reduces the mass accretion rate in a negative feedback cycle. In calculating the above values for the negative jet feedback coefficient (the further reduction in the accretion rate) ${\chi }_{\mathrm{j}}$, we adopt the canonical ratio of jets power to actual accretion power of $0.1$, and the results of numerical simulations that show the actual mass accretion rate to be a fraction of $0.1-0.5$ of the Bondi-Hoyle-Lyttleton mass accretion rate.

Accepted to ApJ

References in corpus (18)

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• Rapid orbital decay in detached binaries: evidence for circumbinary disks
• Double common envelope jets supernovae (CEJSNe) by triple-star systems
• Formation of the First Two Black Hole-Neutron Star Mergers (GW200115 and GW200105) from Isolated Binary Evolution

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• Three-dimensional simulations of the jet feedback mechanism in common envelope jets supernova
• Mergers of neutron stars and black holes with cores of giant stars: a population synthesis study
• Feeding post core collapse supernova explosion jets with an inflated main sequence companion
• Common envelope jets supernova with thermonuclear outburst progenitor for the enigmatic supernova remnant W49B
• Terminating a common envelope jets supernova impostor event with a super-Eddington blue supergiant
• On the nature of jets from a main sequence companion at the onset of common envelope evolution
• Pre-explosion, explosion, and post-explosion jets in supernova SN 2019zrk
• The response of a red supergiant to a common envelope jets supernova (CEJSN) impostor event