Astronomy Colloquium - Katie Breivik

Image
Artists Representation of a black hole neutron star merger
January 20, 2022
3:00PM - 4:00PM
Location
ONLINE: Zoom

Date Range
Add to Calendar 2022-01-20 15:00:00 2022-01-20 16:00:00 Astronomy Colloquium - Katie Breivik Binary Evolution: a Multi-messenger, Multi-band Puzzle  Recent observations of binary black hole and binary neutron star mergers have ignited interest in the formation and evolution of compact-object binaries. One of the most pressing questions is determining the formation environments of these systems which couple strongly to their population characteristics. However, by the time a compact-object binary merges and produces the gravitational-wave signals observed by ground-based detectors, much of the evolutionary history of the system is washed away. By combining binary population synthesis simulations with gravitational-wave and electromagnetic observations, we can constrain uncertain processes that govern the evolution of binary stars from their birth through to compact object formation and merger. In this talk, I will highlight recent work which explores ways to combine binary population simulations with current and future data from gravitational-wave and electromagnetic surveys to constrain the formation and evolution of binary stars and compact object binaries. Speaker: Katie Breivik, Flatiron Institute Image Credit: Artist's view of a black hole–neutron star merger. Credit: Carl Knox, OzGrav–Swinburne University ONLINE: Zoom Department of Astronomy astronomy@osu.edu America/New_York public
Description

Binary Evolution: a Multi-messenger, Multi-band Puzzle 

Recent observations of binary black hole and binary neutron star mergers have ignited interest in the formation and evolution of compact-object binaries. One of the most pressing questions is determining the formation environments of these systems which couple strongly to their population characteristics. However, by the time a compact-object binary merges and produces the gravitational-wave signals observed by ground-based detectors, much of the evolutionary history of the system is washed away. By combining binary population synthesis simulations with gravitational-wave and electromagnetic observations, we can constrain uncertain processes that govern the evolution of binary stars from their birth through to compact object formation and merger. In this talk, I will highlight recent work which explores ways to combine binary population simulations with current and future data from gravitational-wave and electromagnetic surveys to constrain the formation and evolution of binary stars and compact object binaries.

Speaker: Katie Breivik, Flatiron Institute

Image Credit: Artist's view of a black hole–neutron star merger. Credit: Carl Knox, OzGrav–Swinburne University

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