New population synthesis model: Preliminary results for close double white dwarf populations
Silvia Toonen, Gijs Nelemans, Simon Portegies Zwart
TL;DR
This paper updates the SeBa software with new stellar evolution tracks to simulate and analyze the population and merger delay times of close double white dwarfs, which are potential Type Ia supernova progenitors.
Contribution
The paper introduces an updated version of SeBa with new stellar evolution tracks for improved simulation of double white dwarf populations.
Findings
New stellar evolution tracks implemented in SeBa.
Analysis of close double white dwarf populations.
Delay time distribution for potential Type Ia supernovae.
Abstract
An update is presented to the software package SeBa for simulating single star and binary evolution in which new stellar evolution tracks have been implemented. SeBa is applied to study the population of close double white dwarf and the delay time distribution of double white dwarf mergers that may lead to Supernovae Type Ia.
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Taxonomy
TopicsGamma-ray bursts and supernovae · Astronomy and Astrophysical Research · Stellar, planetary, and galactic studies