Simple recipes for compact remnant masses and natal kicks

TL;DR

This paper presents probabilistic analytical recipes for predicting neutron star and black hole masses and natal kicks based on supernova simulations, aiding rapid stellar population modeling.

Contribution

It introduces new probabilistic prescriptions linking pre-supernova core properties to remnant masses and kicks, improving upon previous deterministic models.

Findings

Recipes effectively reproduce observed remnant mass distributions.

Probabilistic approach captures stochastic nature of supernova outcomes.

Application to stellar populations demonstrates utility in population synthesis.

Abstract

Based on recent results from three-dimensional supernova simulations and semi-analytical parametrised models, we develop analytical prescriptions for the dependence of the mass of neutron stars and black holes and the natal kicks, if any, on the pre-supernova carbon-oxygen core and helium shell masses. Our recipes are probabilistic rather than deterministic in order to account for the intrinsic stochasticity of stellar evolution and supernovae. We anticipate that these recipes will be particularly useful for rapid population synthesis, and we illustrate their application to distributions of remnant masses and kicks for a population of single stars.