Feeding post-core collapse supernova explosion jets with an inflated main sequence companion

Abstract

We simulate the response of a main sequence star to the explosion of a stripped-envelope (type Ib or Ic) core collapse supernova (CCSN) when the main sequence star orbits the core at a distance of 10R⊙ or 20R⊙ at explosion. We use the stellar evolution code mesa to follow the response of main sequence stars of masses 3M⊙ and 7M⊙ to energy deposition and mass removal. The collision of the CCSN ejecta with the main sequence star deposits energy and inflate the main sequence star. If the binary system stays bound after the CCSN explosion the inflated main sequence star might engulf the newly born neutron star (NS). We assume that the NS accretes mass through an accretion disk and launches jets. The jets remove mass from the inflated main sequence star and collide with the CCSN ejecta. Although this scenario is rare, it adds up to other rare scenarios to further support the notion that many stripped envelope CCSNe are powered by late jets. The late jets can power these CCSNe-I for a long time and might power bumps in their lightcurve. The jets might also shape the inner ejecta to a bipolar morphology. Our results further support suggestions that there are several ways to feed a NS (or a black hole) to launch the late jets in superluminous supernovae.

SN 2022jli: A Type Ic Supernova with Periodic Modulation of Its Light Curve and an Unusually Long Rise

“…The accretion could result in outflows or jets that add further energy to the SN ejecta and result in additional luminosity. Accretion resulting in jets has been modeled by Hober et al (2022), which they propose could power bumps in the late-time light curves of SNe. Undulations in the light curves of SLSNe have been detected (Nicholl et al 2016;Inserra et al 2017;Gomez et al 2021;Hosseinzadeh et al 2022;West et al 2023), but no repeating signature has been confirmed over multiple cycles.…”

“…Accretion-powered jets after core collapse also have sufficient energy (Soker 2022;Hober et al 2022) to power the excess flux observed in the light curve of SN 2022jli, but a modulation process is required. In the Hirai & Podsiadlowski (2022) scenario, the gradual inspiral of the NS into the companion is a pathway for the formation of a Thorne −Żytkow object (TŻO).…”

The Role of Jets in Exploding Supernovae and in Shaping their Remnants

“…There are other processes that might lead to post-explosion jets in CCSNe, including the accretion of CCSN ejecta gas by a pre-existing NS/BH (e.g., Fryer et al 2014;Becerra et al 2015Becerra et al , 2019Akashi & Soker 2020) and the feeding of the newly born NS/BH by a close MS star such that the explosion causes its envelope to inflate (e.g., Ogata et al 2021;Hober et al 2022), or even a direct collision of the NS with the MS star (Hirai & Podsiadlowski 2022). In a recent study, Becerra et al (2022) find in their simulations of a CCSN with a close NS that both NSs, the old and the newly-born NS, accrete mass within several minutes after the explosion.…”