On rare core collapse supernovae inside planetary nebulae

Ealeal Bear*, Noam Soker

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

We conduct simulations using MESA of the reverse formation of a white dwarf (WD)-neutron star (NS) binary system in which the WD forms before the NS. We conclude that a core collapse supernova (CCSN) explosion might occur inside a planetary nebula (PN) only if a third star forms the PN. In this WD-NS reverse binary evolution, the primary star evolves and transfers mass to the secondary star, forms a PN, and leaves aWD remnant. If the mass-transfer brings the secondary star to have a mass of ⊙ 8M⊙ before it develops a helium core, and if the secondary does not suffer an enhanced mass-loss before it develops a massive helium core, e.g. by mass-transfer, it explodes as a CCSN and leaves an NS remnant. The time period from the formation of the PN by the primary to the explosion of the secondary is ⊙ 106 yr. By that time, the PN has long dispersed into the interstellar medium. In a binary system with nearly equal-mass components, the first mass-transfer episode takes place after the secondary star has developed a helium core and it ends its life forming a PN and a WD. The formation of a CCSN inside a PN (CCSNIP) requires the presence of a third star. The third star should be less massive than the secondary star but by no more than few ×0.01 M⊙. We estimate that the rate of CCSNIP is ≈10-4 times the rate of all CCSNe.

Original languageEnglish
Pages (from-to)2850-2858
Number of pages9
JournalMonthly Notices of the Royal Astronomical Society
Volume500
Issue number3
DOIs
StatePublished - 1 Jan 2021

Keywords

  • Binaries: Close
  • Planetary nebulae: General
  • Stars: Massive
  • Supernovae: General

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