[Astronomy seminar] Astronomy Department Seminar - March 25th Adélaïde Claeyssens

[Astronomy seminar announcements]

Reminder, Adélaïde's talk is in half an hour

C

On 21/03/2022 10:55, Chris Usher wrote:
>
> On Friday, March 25th at 10:30 Adélaïde Claeyssens (Stockholm 
> University) will be giving our next seminar.
>
> *The properties of lensed high redshift Lyman-alpha emitters*
>
> The circumgalactic medium (CGM) is closely linked to galaxy formation 
> and evolution, but difficult to observe in emission at high redshift. 
> I will present some first results from the Lensed Lyman-Alpha MUSE 
> Arcs Sample (LLAMAS), a large sample of >600 lensed Lyman-alpha 
> emitters (LAEs) observed with MUSE and HST towards massive galaxy 
> clusters. Thanks to the strong lensing magnification and associated 
> gain in spatial resolution, we can detect and characterize very faint 
> galaxies, and the resolved properties of line emission from the 
> circumgalactic medium (CGM). With such a statistical sample we can 
> characterize Lyman-alpha haloes as small as 0.5 kpc (correcting for 
> the lensing effect) and measure their intrinsic morphological 
> properties such as extent, ellipticity, as well as the UV morphology 
> and spatial offsets between the UV continuum and the Lyman-alpha 
> emission. LLAMAS provides unique measurements on such properties at 
> this redshift, beyond the reach of non-lensed deep fields, and are 
> therefore crucial for understanding the CGM properties at z>3.
>
> We are trying something new this year with leaving the Zoom call open 
> after the formal hour of the seminar is up to allow the speaker, if 
> they wish, to chat informally with anyone who is interested.
>
> Thanks
> Chris and Carolina
>
> Christopher Usher is inviting you to a scheduled Zoom meeting.
>
> Topic: Astronomy Department Seminar - Adélaïde Claeyssens
> Time: Mar 25, 2022 10:30 AM Stockholm
>
> Join Zoom Meeting
> https://stockholmuniversity.zoom.us/j/66528043554?pwd=aWNlUGlOZCtCc01CdEpkR3FtMFlLdz09 
>
>
> Meeting ID: 665 2804 3554
> Passcode: ICiLmiNGUi
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.su.se/pipermail/seminars-announce.astro-at-su.se/attachments/20220325/42a91c5c/attachment.html>