Events Daily

Tuesday, October 31, 2023

Confining Strings Workshop
Event Type: Simons Workshop
Time: 9:00 AM - 6:00 PM
Location: Kimmel Center
Abstract: Please find the schedule following the link below. Note, that the talks are at the Kimmel Center.

Slides for talk

SRG/eRosita: An all-sky X-ray map, showing tens of thousands of galaxy clusters, 100 tidal disruption events and the variability of millions of quasars, AGNs and flaring stars
Rashid Sunyaev, Max Planck Institute for Astrophysics, Garching
A Flag Icon Event Type: Astro Seminar
Time: 2:00 PM - 3:15 PM
Location: 726 Broadway, 940, CCPP Seminar
Abstract: SRG/eRosita has detected more than 1.5 million X-ray sources on one hemisphere, including a million quasars and AGNs and 250,000 stars after 4.4 scans of the entire sky. These include dozens of X-ray emitting brown dwarfs, many newly discovered symbiotic stars, blazars, radio galaxies with very bright jets, etc. Many of these sources are highly variable. For more than 500 extragalactic X-ray objects from the SRG/eRosita catalog, we found optical counterparts with strong proper motion measured with GAJA. In addition, about twenty-five thousand galaxy clusters with extended hot ( Te ~ 0.5-15 KeV) intercluster gas and three interesting supernova remnants have been found on one hemisphere by eRosita. The central part of one of them emits predominantly in the Fe XVII line. These remnants show no radio, gamma-rays, or optical emission

Link to the Event Video

Exposing the Secrets of Black Holes
Ahmed Almheiri, NYUAD
Event Type: Special Seminar
Time: 4:30 PM - 6:00 PM
Location: 19 Washington Square North
Abstract: Black holes are one of the most interesting and confusing objects in the universe. Their inevitable possibility is predicted by Einstein’s theory of general relativity, and their existence is confirmed by numerous experimental observations. Thus, we have to contend with the reality of black holes and seek to understand their ins and outs. In this talk, we journey from the knowns of black holes as one-way streets into an unavoidable end and venture into the unknowns which suggest that the inside of a black hole is secretly on the outside. *ADVANCED REGISTRATION REQUIRED*