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Hypervelocity discoveries with Gaia DR2

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If you have a question about this talk, please contact Dr Nick Bate.

Hypervelocity stars are objects travelling fast enough to escape the Milky Way. In this talk I will showcase the menagerie of hypervelocity stars through the lens of Gaia DR2 : main-sequence stars and pulsars, white dwarfs and subdwarfs. Alongside the observations, I will present the theories that try to explain their extreme velocity. I will end by highlighting the possibility of using these objects to study supernovae (including Type Ia), massive black holes and the Local Group.

This talk is part of the Institute of Astronomy Seminars series.

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