Fakulta matematiky, fyziky
a informatiky
Univerzita Komenského v Bratislave

Seminar of Department of Theoretical Physics - Michal Zajaček (10.3.2026)

Tuesday 10.3.2026 at 14:00, Lecture room F2/125


05. 03. 2026 10.28 hod.
Od: Peter Maták

Michal Zajaček (Masaryk University):
S4716 - the star with the shortest orbital period around the supermassive black hole

Abstract:
I will introduce the environment of the Galactic center and how we can observe its different components, including stars, dust, gas of different phases, and the supermassive black hole of 4 million Solar masses itself. Then I will focus on our identification of the star called S4716, which has currently the shortest orbital period of only 4 years around the supermassive black hole. Subsequently, I will discuss the possible origin of these S stars and relevant dynamical processes in the vicinity of the supermassive black hole.