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SUMMARY:Active Galactic Nuclei: the powerful cores of the most luminous ga
 laxies - Amy Rankine
DTSTART:20191105T200000Z
DTEND:20191105T210000Z
UID:TALK132406@talks.cam.ac.uk
CONTACT:Oliver Normand
DESCRIPTION:Supermassive black holes (SMBHs) sit at the centres of most\, 
 maybe all\, galaxies and many have hot gas swirling around them. In an act
 ive galactic nucleus (AGN)\, the gas spiralling towards the SMBH emits ext
 reme amounts of radiation and they are so bright that we can observe AGNs 
 back to a time when the Universe was only 700 million years old. Computer 
 simulations of galaxy formation have suggested that we need AGNs to explai
 n the massive galaxies that we see in our Universe today but the structure
  of the AGNs and how exactly they affect the galaxies that host them are s
 till up for debate. For example\, winds emanating from some AGNs could exp
 el gas from their host galaxies that would otherwise be used to form stars
 . I will discuss some of the open questions surrounding AGNs before I shar
 e my research on the brightest of these objects\, quasars\, and my efforts
  to explain some of the observations that have been made since their disco
 very in the 1960s.\nThe talk will be followed by refreshments outside the 
 lecture theatre. \n\nThe talk will be at the usual location of Wolfson lec
 ture theatre in the Department of Chemistry. The entrance is the opposite 
 side of the building to Bristol-Myers-Squibb Lecture theatre and is opposi
 te the car park- shown by the red arrow on the map. https://map.cam.ac.uk/
 Department+of+Chemistry#52.197964\,0.125242\,18\n\nTickets are £2 or free
  for members. Annual membership (£7) and life membership (£12) can also 
 be purchased at the event – please bring cash. The talk will be followed
  by refreshments outside the lecture theatre.\n
LOCATION:Wolfson Lecture Theatre\, Department of Chemistry
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