Effect of Evolving WD Binaries with Different Parameters with COSMIC
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Date
2022-12
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The Ohio State University
Abstract
Binary stars are very common and important in the field of astronomy due to the wide range of studies dedicated to them. In particular, some binaries are made up of white dwarfs which are stars thought to be at the end of their evolutionary lives who don't have enough mass to form a black hole or neutron star. Close white dwarf binaries are of particular interest because they have the potential to form type la SN which can also emit gravitational waves. These supernovae are important because they have a consistent peak luminosity which allows us to use them as standard candles to measure distances. Gravitational waves are always of interest because they provide different information compared to electromagnetic radiation. Gravitational waves that are detectable now and in the future probe the most compact objects in the universe that have the strongest gravitational forces. However, it is difficult to predict the number of close binaries that we would expect to find in binary populations, because the number strongly depends on initial conditions, such as binary fraction, orbital parameters, and mass ratios. Therefore, we are using the package COSMIC to explore and examine how changing different initial parameters in these populations affect the number of close white dwarf binaries.
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Keywords
Binary Stars, Astronomy, python, white dwarfs, stellar evolution