Hypervelocity discoveries with Gaia DR2

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• Douglas Boubert
• Wednesday 16 May 2018, 13:45-14:15
• Sackler Lecture Theatre, IoA.

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.

This talk is included in these lists:

• Cambridge Astronomy Talks
• Combined External Astrophysics Talks DAMTP
• Cosmology lists
• Cosmology, Astrophysics and General Relativity
• Institute of Astronomy Seminars
• Institute of Astronomy Talk Lists
• Kavli Institute for Cosmology Talk Lists
• Priscilla
• Sackler Lecture Theatre, IoA

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