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SUMMARY:The Perseus Cluster of Galaxies - Andy Fabian (Cambridge)
DTSTART:20201008T150000Z
DTEND:20201008T160000Z
UID:TALK151897@talks.cam.ac.uk
CONTACT:Dominic Walton
DESCRIPTION:The Perseus cluster is the X-ray brightest cluster of galaxies
  in the Sky. I first observed it in 1973\, finding the peaked cool core an
 d have observed it with many X-ray observatories since from the Einstein O
 bservatory through to ROSAT\, Chandra and Hitomi. The image from Chandra h
 as become a poster-child for Active Galactic Nucleus (AGN) Feedback and cl
 early demonstrates that an accreting black hole can influence its environm
 ent over a scale factor of a billion or more. I shall review observations 
 of the Perseus cluster at all wavelengths from radio through X-rays and at
  all scales from the central black hole to the cluster virial radius. I di
 scuss how AGN Feedback might work in this object and consider what we do n
 ot know - some fundamental parts of the transfer of energy are unclear. Th
 e AGN-hosting central galaxy\, NGC1275\, is one of the most gas rich galax
 ies at low redshift with well over 10 billion Msun of molecular hydrogen. 
 Young star formation is seen around NGC1275 as well as a radio minihalo. T
 here are cold fronts in the intracluster gas extending over 1 Mpc and inte
 resting galaxy members such as NGC1277 and 1272.  I intend to show that th
 e Perseus cluster\, 70 Mpc away\, has much to offer astronomers.
LOCATION:ONLINE - Details will be sent by email
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