<div dir="ltr"><br><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">---------- Forwarded message ---------<br>From: <strong class="gmail_sendername" dir="auto">Nicholas Loutrel</strong> <span dir="auto"><<a href="mailto:nicholas.loutrel@uniroma1.it">nicholas.loutrel@uniroma1.it</a>></span><br>Date: Thu, Jul 13, 2023 at 9:56 AM<br>Subject: Seminar by Alejandro Cárdenas-Avendaño on 20 July at 11am<br>To: gmunu - Gravity theory and GW phenomenology group @ Sapienza <<a href="mailto:gmunu@uniroma1.it">gmunu@uniroma1.it</a>>, Paolo Pani <<a href="mailto:paolo.pani@uniroma1.it">paolo.pani@uniroma1.it</a>><br></div><br><br><div dir="ltr">Dear all,<div><br></div><div>Next week, there will be a seminar by Alejandro Cárdenas-Avendaño from Princeton University on 20/07 at 11:00. The seminar will be held in Aula Conversi. Please find the abstract and title below.</div><div><br></div><div>Title: Navigating the experimental landscape of strong-field gravity with black hole photon rings</div><div><br><div>Abstract: Using black hole imaging to test general relativity in a regime where gravity is strong and yet non-dynamical poses a significant challenge: disentangle the astrophysical effects of the radiating source from the purely gravitational ones. In this talk, I will present an extensive parameter estimation survey of astrophysical models where the predicted general relativity's photon ring, a narrow ring-shaped feature predicted by general relativity but not yet observed, can be recovered. Our analysis uses the numerical framework AART to simulate black hole movies of stochastic, non-stationary, non-axisymmetric equatorial sources. Our results provide further evidence that, despite the astrophysical uncertainty, measurements of the photon ring can perform a stringent null test of the Kerr hypothesis. </div></div><div><br></div><div>Link: <a href="https://agenda.infn.it/event/35737/" target="_blank">https://agenda.infn.it/event/35737/</a></div><div><br></div><div>Best regards,</div><div>Nick</div></div>
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<div style="font-size:small;font-family:arial;background-color:rgb(255,255,255)"><span><span><span><span></span></span></span></span><b><div><font color="#ff0000"><b>Fai crescere le giovani ricercatrici e i giovani ricercatori</b><br></font></div></b><div><b><font color="#ff0000">con il 5 per mille alla Sapienza</font><br></b><div><div dir="ltr"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div><div>Scrivi il codice fiscale dell'Università <b>80209930587<br><a href="https://www.uniroma1.it/it/node/23149" target="_blank">Cinque per mille</a></b></div></div></div><div><br></div><div><img src="https://www.uniroma1.it/sites/default/files/field_galleria/footer_sapienza_romaexpo_.jpg"><br></div><div><br></div><div><br></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div><br clear="all"><div><br></div><span class="gmail_signature_prefix">-- </span><br><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr">Paolo Pani <br>Professor of Theoretical Physics<br>ERC StG Fellow, DarkGRA project<br>Junior Fellow, Scuola Superiore di Studi Avanzati Sapienza<div><br>Physics Department (Marconi Building), 3rd floor, room 334<br>Sapienza University of Rome<br>Piazzale Aldo Moro 5 - 00185 Rome (Italy) <br>+39 06 4991 4472 (int 24472)</div><div><a href="https://web.uniroma1.it/gmunu/" target="_blank">https://web.uniroma1.it/gmunu/</a><br></div></div></div></div>
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<div style="font-size:small;font-family:arial;background-color:rgb(255,255,255)"><span><span><span><span></span></span></span></span><b><div><font color="#ff0000"><b>Fai crescere le giovani ricercatrici e i giovani ricercatori</b><br></font></div></b><div><b><font color="#ff0000">con il 5 per mille alla Sapienza</font><br></b><div><div dir="ltr"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div><div>Scrivi il codice fiscale dell'Università <b>80209930587<br><a href="https://www.uniroma1.it/it/node/23149" target="_blank">Cinque per mille</a></b></div></div></div><div><br></div><div><img src="https://www.uniroma1.it/sites/default/files/field_galleria/footer_sapienza_romaexpo_.jpg"><br></div><div><br></div><div><br></div></div></div></div></div></div></div></div></div></div></div></div></div></div>