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<div class=""><span style="font-size: 14px;" class="">Dear all,</span></div>
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</span></div>
<div class=""><span style="font-size: 14px;" class="">On Friday March 19 at 10:30, we will have the next Astronomy Seminar, remotely via zoom.</span></div>
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<div class=""><span style="font-size: 14px;" class="">Our speaker is Sylvia Plöckinger from the Leiden Observatory.</span></div>
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<div class=""><span style="font-size: 14px;" class="">Title: Cosmological simulations as laboratories to test theories on galaxy formation and particle physics</span></div>
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</span></div>
<div class=""><span style="font-size: 14px;" class="">Abstract: Simulations are an invaluable tool in astrophysics to test theories relating to processes that take millions and billions of years. Within the last decades, cosmological simulations have drastically
improved on their power to compare simulation with observations: from simulations only tracing the gravitational effects of cosmic structure formation ("dark matter only / N-body simulations") to fully hydro-dynamic simulations that form galaxy populations
resembling observed galaxies. </span></div>
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<div class=""><span style="font-size: 14px;" class="">An upcoming new generation of cosmological simulations further advances the opportunities for a more direct comparison to observed galaxies. This is not only achieved by an increased mass and spatial resolution,
but also by an innovative physical and chemical model of the gas phases of the interstellar medium (ionized, neutral atomic, molecular). This allows to self-consistently model the multi-phase interstellar medium (ISM) and produce more realistic mock observations.
I will present first results of these new simulations and show how a multi-phase ISM can impact some of the small-scale challenges of the current standard cosmological model. </span></div>
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<div class=""><span style="font-size: 14px;" class="">This improved model for baryon physics also allows us to better study the impact on the formation of dwarf galaxies on the assumed dark matter particle. This will be illustrated by performing statistical
test on the galaxy populations within cold and warm (sterile neutrino) dark matter simulations. </span></div>
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</span></div>
<div class=""><span style="font-size: 14px;" class=""><a href="https://www.albanova.se/event/sylvia_ploeckinger/" class="">https://www.albanova.se/event/sylvia_ploeckinger/</a></span></div>
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<div class=""><span style="font-size: 14px;" class="">We will have the colloquium using zoom. You will find the invitation at the end of this email.</span></div>
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<div class=""><span style="font-size: 14px;" class="">Some guidelines:</span></div>
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</span></div>
<div class=""><span style="font-size: 14px;" class="">1) Join the session with your microphone muted.</span></div>
<div class=""><span style="font-size: 14px;" class=""><br class="">
</span></div>
<div class=""><span style="font-size: 14px;" class="">2) When you have a question, press the “raise hand button” and wait till you are asked to ask your question. </span></div>
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<div class=""><span style="font-size: 14px;" class="">3) The session will be online from 10:20, please join at least a few minutes early as we would like to start 10:30 sharp.</span></div>
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<div class=""><span style="font-size: 14px;" class="">We hope to see all of you there!</span></div>
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</span></div>
<div class=""><span style="font-size: 14px;" class="">Matthias & Janet</span></div>
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</span></div>
<div class=""><span style="font-size: 14px;" class="">Upcoming events: </span></div>
<div class=""><span style="font-size: 14px;" class="">26/03: Matthew Kenworthy (Leiden)</span></div>
<div class=""><span style="font-size: 14px;" class="">02/04: Good friday</span></div>
<div class=""><span style="font-size: 14px;" class="">09/04: Patrick Antolin (Northumbria University)</span></div>
<div class=""><span style="font-size: 14px;" class="">===================================================</span></div>
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<div class=""><span style="font-size: 14px;" class="">Janet Ting-Wan Chen is inviting you to a scheduled Zoom meeting.</span></div>
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</span></div>
<div class=""><span style="font-size: 14px;" class="">Topic: Astronomy Seminar Sylvia Ploeckinger</span></div>
<div class=""><span style="font-size: 14px;" class="">Time: Mar 19, 2021 10:30 AM Stockholm</span></div>
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