2 papers
astro-ph.HE2025
The Progenitor of the S147 Supernova Remnant
Elvira Cruz-Cruz, Christopher S. Kochanek
The supernova remnant (SNR) S147 contains the pulsar PSR J0538+2817 and a likely unbound binary companion, HD 37424. It is the only good Galactic candidate for a binary unbound by…
astro-ph.HE2024
On the Progenitor of the Crab Pulsar
Elvira Cruz-Cruz, Christopher S. Kochanek
The Crab supernova is interesting because we know that it was not a binary at death, the outcome was a neutron star, and because of the supernova remnant's apparently low energy an…