[Astronomy seminar] Astronomy departmental seminar October 18 at 10:30am - Dr Maria Ramirez (Max-Planck-Institut fur Astronomie)

[Astronomy seminar announcements]

Dear All

This is a gentle reminder that the Astronomy seminar will take place today at 10:30 AM in FC61.

Regards
Anjasha and Mingjie

Sent from Outlook for iOS<https://aka.ms/o0ukef>
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From: Alla-at-astro.su.se <alla-at-astro.su.se-bounces at lists.su.se> on behalf of Anjasha Gangopadhyay via Alla-at-astro.su.se <alla-at-astro.su.se at lists.su.se>
Sent: Tuesday, October 15, 2024 11:50:07 AM
To: alla at astro.su.se <alla at astro.su.se>; seminars-announce.astro-at-su.se at lists.su.se <seminars-announce.astro-at-su.se at lists.su.se>
Cc: ramirez at mpia.de <ramirez at mpia.de>
Subject: [alla at astro.su.se] Astronomy departmental seminar October 18 at 10:30am - Dr Maria Ramirez (Max-Planck-Institut fur Astronomie)


Dear all,

The next weekly SU astronomy departmental seminar will take place next to next Friday October 18, at 10:30am in room FC61 (AlbaNova building, 6th floor) and on zoom(https://stockholmuniversity.zoom.us/j/61550693125).

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Speaker:  Dr Maria Ramirez (Max-Planck-Institut fur Astronomie)
Title: eXtreme UV Environments: Young massive stars and their effect on planet formation
Event: https://indico.fysik.su.se/event/8824/

Abstract:
Massive stars are important in many astrophysical contexts. They dominate the energy and momentum budget of the interstellar medium and they enrich their surroundings with newly processed chemical elements, which constitute the building blocks of planets and life. Most massive stars are found in close binary systems and will interact with their companion during their lifetime, resulting in a variety of exotic products including X-ray binaries and gravitational wave sources. However, it is very challenging to understand the formation mechanism of massive stars and the origin of their high multiplicity because of their very short formation timescales, large distances, and them being embedded in their natal clouds. Additionally, more than half of all stars and planetary systems form in massive star forming regions where they are exposed to intense UV radiation from the nearby massive stars. Thanks to the unprecedented capabilities of JWST, we can now study the physical and chemical properties of proto-planetary disks in massive star-forming regions.

In this colloquium I will present recent results concerning the formation of massive stars, including the disk and photospheric properties of pre-main sequence stars and the evidence of migration as the formation mechanism for massive binaries.I will also present the results of the XUE collaboration, exploring the impact of external UV radiation on the disk structure, warm disk chemistry, and dust mineralogy, all of which are important for planet formation models and exoplanet atmosphere composition.

Zoom ID: 615 5069 3125

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We look forward to seeing many of you there. Thanks!

Anjasha and Mingjie

Upcoming Events

  *   Nov 1 Avinash Singh
  *   Nov 8 Ella Xi Wang
  *   Nov 15 Giuseppe Morello
  *



You can subscribe to the seminars calendar in:
https://ttt.astro.su.se/ical/astro-seminars.ics
(Please note that calendar can be subject to updates)
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Join Zoom Meeting
https://stockholmuniversity.zoom.us/j/61550693125

Meeting ID: 615 5069 3125


** Just a small note for the people who prefer slack in OKC, we have created a channel here - https://join.slack.com/share/enQtNzY4MzA3MjEzNDA1NC05M2NiY2UzOGRiZjY0YTFhZDZjMzA1ZjkwZjJjYTBiM2JhNzExOGVmMDlkYTBkNjMxMmY3ZTdiY2UzNjcxNzk3

We will be posting updates there as well.
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