Merger-induced galaxy transformations in the ARTEMIS simulations

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• Adam Dillamore (IoA)
• Friday 05 November 2021, 11:30-12:30
• via zoom .

If you have a question about this talk, please contact Martin Haehnelt.

In recent years, data from the Gaia space telescope has revealed a rich and complex history of the Milky Way. One particularly momentous event was a merger which formed the ‘Gaia Sausage’ (also known as Gaia Enceladus), the debris from a large dwarf galaxy which collided with the Milky Way 8-10 Gyr ago.

The effects of this merger on the Milky Way itself are not yet fully understood. In this talk, I will summarise the results of a study using the ARTEMIS cosmological simulations of Milky Way-like galaxies. I will focus on a range of transformations experienced by the Milky Way analogues, including dramatic re-orientations of the galactic discs (‘flipping’), and the disruption of disc stars onto extreme retrograde orbits (‘splashing’).

This talk is part of the Galaxies Discussion Group series.

This talk is included in these lists:

• Combined External Astrophysics Talks DAMTP
• Cosmology, Astrophysics and General Relativity
• Galaxies Discussion Group
• Institute of Astronomy Talk Lists
• Kavli Institute for Cosmology Talk Lists
• via zoom

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