[astroseminar at Sapienza] reminder: third QUID ULTRA colloquium by Benedetta Ciardi, tuesday 9 march 16:30

[raffaella.schneider at roma1.infn.it]

Dear Colleagues,

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

Quid Ultra? Frontiers and Controversies in Astrophysics 

will be tomorrow. You can find all the details below and the updated program 
for future colloquia at the link:  https://www.quidultra.it <https://www.quidultra.it/>

Looking forward to seeing you soon, 

Raffaella Schneider (on behalf of the SOC)
  
Prof. Raffaella Schneider
Dipartimento di Fisica "G. Marconi”
Senior Fellow, Scuola Superiore di Studi Avanzati Sapienza
Sapienza, Università di Roma
P.le A. Moro 2, 00185 Roma, Italy
raffaella.schneider at roma1.infn.it <mailto:raffaella.schneider at roma1.infn.it>

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March 9 2021 at 16:30

Benedetta Ciardi (Max-Planck-Institute for Astrophysics, Munich)

Title: Exploring cosmic reionization with 21cm telescopes

Abstract:

Cosmic reionization is the last major phase transition undergone by our Universe. Although most studies agree on the general characteristics of H reionization
(for example that is driven by stars and it is mostly if not fully complete by z ≈ 6), its details are still largely unknown, among which the contribution from and
role played by more energetic sources.
In this talk, I will discuss the ingredients needed for a correct modeling of cosmic reionization and present results from recent radiative transfer simulations
accounting for a variety of source types (such as stars, quasars, X-ray binaries). I will then discuss the observability of reionization in terms of various diagnostics
associated to the 21cm signal from neutral hydrogen and present the latest results from the LOFAR radio telescope.

Join Zoom Meeting
https://uniroma1.zoom.us/j/89931306878?pwd=WG5RYlYyZzRSMzJsOFpSRHczWEFCZz09 <https://uniroma1.zoom.us/j/89931306878?pwd=WG5RYlYyZzRSMzJsOFpSRHczWEFCZz09>

Meeting ID: 899 3130 6878
Passcode: 419276
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