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CATEGORY:
Astrophysics Seminar
TITLE:
Short- and long-term evolution of a stellar disc around a massive black hole: the role of the cusp, stellar evolution and binaries
Speaker:
Diego Mikhaloff
Affiliation:
Technion
WHEN:
Wednesday
30/08/2017, 14:30 - 15:30
WHERE:
Lidow, 620
Organizer:
-
Site:
-
Remarks:
-

Abstract

We study the dynamical evolution of a stellar disc orbiting a massive black hole. We explore the role of two-body relaxation, mass segregation, stellar evolution and binary-heating in affecting the disc evolution and consider the impact of the nuclear cluster properties and the stellar-disc mass-function. We use analytic arguments and apply them to study the evolution of a the velocity dispersion of stars in a Galatic Centre (GC) – like stellar disc on both short (few million years) and longer (100 Myr) evolutionary time-scales.

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