[Astronomy seminar] Astronomy departmental seminar Tuesday June 13th at 10:00am - Raymond Pierrehumbert (University of Oxford)

[Astronomy seminar announcements]

Dear all,

This is a reminder of the SU astronomy departmental seminar that will take place tomorrow, Tuesday, June 13th at 10:00am in room FC61 (AlbaNova building, 6th floor) and on zoom (https://stockholmuniversity.zoom.us/s/61002076352).

The speaker will be Raymond T. Pierrehumbert from the University of Oxford. He will also be visiting the Meteorology department at SU this week as well as the Astronomy department, so please reach out to him directly if you would like to arrange a meeting.

Please note the unusual day and time, **Tuesday, June13th at 10:00am**.

———————————
Speaker: Raymond T. Pierrehumbert (University of Oxford)

Title: Subneptune atmospheres linked to interior structure
<https://www.albanova.se/event/astronomy-departmental-seminar-bibiana-prinoth-lund/>https://www.albanova.se/event/astronomy-departmental-seminar-raymond-t-pierrehumbert-university-of-oxford/

<https://www.albanova.se/event/astronomy-departmental-seminar-bibiana-prinoth-lund/>

Abstract:



I will introduce the subNeptune class of planets, which are estimated to be the most common kind of planets in the Universe (if one can extrapolate from our local region of the Milky Way Galaxy);  Possible vertical structures and compositions are discussed, with particular emphasis on the way compositional inhibition of convection from silicate vapor in water or H2, or water vapor in H2 can affect the thermal structure and mass-radius relation. The importance of coupling interior structure models to self-consistent atmospheres is emphasised, and in particular the implications of the runaway greenhouse threshold for the interior state of subNeptunes are discussed. Some highlights of current and planed JWST observations of subNeptunes are discussed.

———————————

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


Kris and Eliot


*Note, this will be the final seminar before the summer break. Seminars will resume again in September.


The calendar for later planned seminars is available at https://ttt.astro.su.se/ical/astro-seminars.ics.
(Please note that calendar can be subject to updates)

———————————
Join Zoom Meeting:
https://stockholmuniversity.zoom.us/s/61002076352
Meeting ID: 610 0207 6352


________________________________
From: Kristopher Charles Youakim
Sent: Friday, June 9, 2023 9:23:25 AM
To: alla at astro.su.se
Cc: raymond.pierrehumbert at physics.ox.ac.uk
Subject: Astronomy departmental seminar Tuesday June 13th at 10:00am - Raymond Pierrehumbert (University of Oxford)


Dear all,

In light of a special visitor at the department next week, we have decided to have one last SU astronomy departmental seminar before the summer break. It will take place on Tuesday, June 13th at 10:00am in room FC61 (AlbaNova building, 6th floor) and on zoom (https://stockholmuniversity.zoom.us/s/61002076352).

The speaker will be Raymond T. Pierrehumbert from the University of Oxford. He will also be visiting the Meteorology department at SU next week as well as the Astronomy department, so please reach out to him directly if you would like to arrange a meeting.

Please note the unusual day and time, **Tuesday, June13th at 10:00am**. A reminder email will be sent out on Tuesday morning.

———————————
Speaker: Raymond T. Pierrehumbert (University of Oxford)

Title: Subneptune atmospheres linked to interior structure
<https://www.albanova.se/event/astronomy-departmental-seminar-bibiana-prinoth-lund/>https://www.albanova.se/event/astronomy-departmental-seminar-raymond-t-pierrehumbert-university-of-oxford/

<https://www.albanova.se/event/astronomy-departmental-seminar-bibiana-prinoth-lund/>

Abstract:

I will introduce the subNeptune class of planets, which are estimated to be the most common kind of planets in the Universe (if one can extrapolate from our local region of the Milky Way Galaxy);  Possible vertical structures and compositions are discussed, with particular emphasis on the way compositional inhibition of convection from silicate vapor in water or H2, or water vapor in H2 can affect the thermal structure and mass-radius relation. The importance of coupling interior structure models to self-consistent atmospheres is emphasised, and in particular the implications of the runaway greenhouse threshold for the interior state of subNeptunes are discussed. Some highlights of current and planed JWST observations of subNeptunes are discussed.

———————————

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


Kris and Eliot


*Note, this will be the final seminar before the summer break. Seminars will resume again in September.


The calendar for later planned seminars is available here<https://ebox.su.se/owa/calendar/75d76b284ca84db1a85c4e021d1133e8@astro.su.se/22bc11d486d04afaa009a9730dd065d65524176602456481514/calendar.html>.
(Please note that calendar can be subject to updates)

———————————
Join Zoom Meeting:
https://stockholmuniversity.zoom.us/s/61002076352
Meeting ID: 610 0207 6352

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