RAGtime 24

Session

Processes in Strong Gravitational Field

10 Oct 2022, 14:45

Opava

Conveners

Processes in Strong Gravitational Field

• Vladimír Karas

2. Accretion states in active galactic nuclei

Jiří Svoboda (Czech Academy of Sciences)

10/10/2022, 14:45

Keynote talk

Active Galactic Nuclei (AGN) are powered by accretion onto a super-massive black hole. Despite of different mass and size-scale, the accretion processes might be similar to accretion on stellar-mass black holes in X-ray Binaries (XRBs). In this talk, I will review the observational studies aimed at comparison of accretion in AGN and XRB.

14. Effects of relativistic precession on tidal-disruption-event light curves

Diego Calderón (Charles University)

10/10/2022, 15:25

Online talk

Most galaxies harbour a super-massive black hole (SMBH) in their centre but deriving its physical properties is not straightforward, especially if it is in quiescent state. If a star falls inside the tidal radius of the black hole its disruption can set on the accretion, which produces a distinctive observational signature. However, for characterising the SMBH from the observed tidal...

18. Bremsstrahlung of the charged particle in the vicinity of the weakly charged Schwarzschild black hole

Bakhtinur Juraev

10/10/2022, 15:45

Talk

The radiation reaction force acting on charged particle cannot be neglected in many astrophysically relevant scenarios. The charge of a black hole is negligible in astrophysically scenarios due to the unrealistically large charge values required for the Reissner-Nordström spacetime metric. However, such kind of dilemma is not valid for black holes carrying small electric charge due to numerous...