[Astronomy seminar] Astronomy seminar via zoom, TODAY 10:30: Freeke van de Voort
Astronomy seminar announcements
seminars-announce.astro-at-su.se at lists.su.se
Fri Sep 25 08:51:12 CEST 2020
Dear all,
A reminder of the Astronomy seminar today from Freeke van de Voort.
> https://stockholmuniversity.zoom.us/j/65494348689 <https://stockholmuniversity.zoom.us/j/65494348689>
Best regards,
Arjan and Janet
> On 21 Sep 2020, at 11:41, Arjan Bik <arjan.bik at astro.su.se> wrote:
>
> Dear all,
>
> On Friday September 25 at 10:30 we will have the next Astronomy Seminar, remotely via zoom.
>
> Our speaker is Freeke van de Voort from Cardiff University, UK.
>
> Title: Cosmic gas flows in the circumgalactic medium around Milky Way-like galaxies
>
> Abstract: Galaxies are intimately connected to the environments they live in. The haloes around them contain the gas reservoir from which the galaxies grow, while galactic outflows heat and enrich this ‘circumgalactic medium’ (CGM). Using cosmological, magnetohydrodynamical simulation we will discuss the physical and observable properties of the gas around galaxies. The simulations use a new simulation refinement technique to reach orders of magnitude higher resolution than the current state-of-the-art. These spatially refined simulations show that the CGM has more ‘cool’ gas than previously thought, which strongly affects predicted observables in the CGM: The neutral hydrogen (HI) column densities are dramatically enhanced, more in line with observations. I will also show how the presence of magnetic fields alters the gas flows into and out of galaxies, resulting in less mixing and higher gas fractions inside the halo. I will briefly discuss the effects on the galaxies themselves.
>
>
>
> We will have the colloquium using zoom. You will find the invitation at the end of this email.
>
> Some guidelines:
>
> 1) Join the session with your microphone muted.
>
> 2) When you have a question, press the “raise hand button” and wait till you are asked to ask your question.
>
> 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.
>
> We hope to see all of you there!
>
> Arjan & Janet
>
> Upcoming events:
>
> 2/10: Ernest Alsina (Locarno, Switserland)
> 9/10: Enric Palle (IAC, Spain)
> 16/10: Charlotte Angus (DARK, Denmark)
> 23/10: Anders Jerkstrand (SU)
>
> =========================================
> Arjan Bik is inviting you to a scheduled Zoom meeting.
>
> Topic: Astronomy Seminar Freeke van de Voort
> Time: Sep 25, 2020 10:30 AM Stockholm
>
> Join Zoom Meeting
> https://stockholmuniversity.zoom.us/j/65494348689 <https://stockholmuniversity.zoom.us/j/65494348689>
>
> Meeting ID: 654 9434 8689
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>
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>
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>
>
>
>
>
>
> -------------------------------------------
> Dr. Arjan Bik
> Stockholm University
> AlbaNova University Center
> Department of Astronomy
> SE-106 91 Stockholm - Sweden
> Tel: +46 (0) 85537 8549
> https://www.su.se/english/profiles/abik <https://www.su.se/english/profiles/abik>
> -------------------------------------------
-------------------------------------------
Dr. Arjan Bik
Stockholm University
AlbaNova University Center
Department of Astronomy
SE-106 91 Stockholm - Sweden
Tel: +46 (0) 85537 8549
https://www.su.se/english/profiles/abik
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