Turbulence in the intracluster medium: sources, implications and latest constraints

Martin Bourne (mabourne/K08)Debora Sijacki (deboras/K17)

(Image: Fabian+11)

Credit: Robert Lupton and the Sloan Digital Sky Survey Consortium

(Fabian+11)

NASA/CXC/IoA/A.Fabian et al.

GALAXY CLUSTERS

Urban+11

Image Credit: J. A. Biretta et al., Hubble Heritage Team (STScI /AURA), NASA

SO MUCH PHYSICS

Image: ESO/IDA/Danish 1.5 m/R. Gendler, J.-E. Ovaldsen & S. Guisard (ESO)

Credit: NASA, ESA, and Johan Richard (Caltech, USA)

Tchekhovskoy 2015

Springel+ Clowe+

Studying turbulence in simulations

Vazza+12

Bourne+in prep

Vazza+12

Structure formation/mergers

Sloshing AGN/Jets

Measuring turbulence from observations

Hitomi 18

Zhuravleva+14

Measuring turbulence from observations

Why do we care?

Additional source of pressure support

Aid mixing and transport of metals in the ICM

Source of heating to offset ICM cooling

Zhuravleva+14

Hitomi 18

Can jet feedback drive significant turbulence?Zhuravleva+14

Zhang+18

Bourne&Sijacki 17

Reynolds+15

LOBE

INFL

ATIO

N

AND

IC

M IN

TERA

CTIO

N

Bourne+in prep