check
HE astro seminar: Paz Beniamini | The Racah Institute of Physics

HE astro seminar: Paz Beniamini

Date: 
Thu, 24/11/202213:00-14:00
Location: 
https://huji.zoom.us/j/84621481369?pwd=NmRjaWhEOUhaSWhGL1lacTNSMlZYdz09

Title: FRBs as a tool for uncovering the properties of extragalactic plasma

Abstract: The interaction of Fast Radio Burst (FRB) radio waves with the intervening plasma between us and the sources is viewed, at times, as a nuisance for probing intrinsic FRB properties. At the same time, it offers unique ways to probe interstellar matter at large redshifts and the intervening intergalactic medium. I will show that FRBs are a promising and unique tool for exploring the H reionization history of the Universe. In addition, due to multi-path propagation, a magnetized plasma screen can cause temporal broadening of the FRB, lightcurve variability, spectral decoherence, depolarization, induced circular polarization and image broadening. I will describe how these different properties are directly inter-related, how they manifest in FRB and pulsar observations, how this can already be used to constrain the nature of the intervening plasma in some bursts and how it affects lensing prospects of FRBs.
──────────

Emanuele Sobacchi is inviting you to a scheduled Zoom meeting.

Join Zoom Meeting
https://huji.zoom.us/j/84621481369?pwd=NmRjaWhEOUhaSWhGL1lacTNSMlZYdz09

Meeting ID: 846 2148 1369
Passcode: 378795
One tap mobile
+97239786688,,84621481369#,,,,*378795# Israel
+97223764509,,84621481369#,,,,*378795# Israel

Dial by your location
+972 3 978 6688 Israel
+972 2 376 4509 Israel
+972 2 376 4510 Israel
Meeting ID: 846 2148 1369
Passcode: 378795
Find your local number: https://huji.zoom.us/u/kdTmJBdZM

Join by Skype for Business
https://huji.zoom.us/skype/84621481369



──────────