[astroseminar at Sapienza] Gentle reminder for the 7th QUID ULTRA talk by Pascal Oesch today at 16:30

[Raffaella Schneider]

Dear Colleagues,

this is to gently remind you that the next online colloquium of the series: 

Quid Ultra? Frontiers and Controversies in Astrophysics 

will be today, July 4 2022 at 16:30 by Pascal Oesch (University of Geneva) in aula Conversi, Dipartimento di Fisica, Sapienza Università di Roma.

Title and abstract are attached below. 

It will be possible to follow the seminar remotely via the zoom link:
https://uniroma1.zoom.us/j/81122901013?pwd=M1hnRHRXZkEyeW1QMFlPQ2FXa0dNZz09 <https://uniroma1.zoom.us/j/81122901013?pwd=M1hnRHRXZkEyeW1QMFlPQ2FXa0dNZz09>
 
ID riunione: 811 2290 1013
Passcode: 686688
  
The program QUID ULTRA? Frontiers and Controversies in Astrophysics is a series of monthly prestigious colloquia
running from early February till December 2022. This initiative has been funded by Sapienza University with the co-sponsorship of 
INAF/Astronomical Observatory of Rome and of the joint PhD program in Astronomy, Astrophysics and Space Science of Sapienza, 
Tor Vergata University and INAF.

Looking forward to seeing you soon, 

Raffaella Schneider (on behalf of the SOC)
————————————————
July 4 2022, 16:30 

Speaker: Pascal Oesch (University of Geneva) 
Title: Our Panchromatic View of Galaxy Build-up at Cosmic Dawn into the JWST Era

Abstract:
The first deep images with the Hubble Space Telescope (HST) have transformed our view of the Universe. Over the following more than two decades, HST continued to extend our cosmic horizon reaching to only ~400 Myr after the Big Bang at z~11. In combination with other observations across the electromagnetic spectrum, from the rest-frame optical with Spitzer/IRAC, and now all the way to (sub)mm wavelengths with ALMA/NOEMA, we are gaining a more and more complete census and understanding of galaxy build-up across 97% of cosmic history. Yet some critical gaps remain, mainly because (1) our galaxy samples are still mostly rest-UV selected at z>3, and (2) we still only have highly-incomplete spectroscopic information at z>6. In this talk, I will present an overview of our current understanding of star-forming galaxies at z>3 based on our panchromatic view from HST+Spitzer+ALMA/NOEMA data. This will be completely revolutionized over the next months, however, as the first observations with the JWST are being taken. In particular, JWST will provide deep rest-frame optical data out to z=10, both in imaging and spectroscopy, which is truly unprecedented. JWST will thus finally allow us to probe the physics of the first generations of galaxies that ended the cosmic Dark Ages and started the reionization of the Universe.

Join Zoom Meeting
https://uniroma1.zoom.us/j/81122901013?pwd=M1hnRHRXZkEyeW1QMFlPQ2FXa0dNZz09 <https://uniroma1.zoom.us/j/81122901013?pwd=M1hnRHRXZkEyeW1QMFlPQ2FXa0dNZz09>
 
ID riunione: 811 2290 1013
Passcode: 686688
————————————————


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