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news:dark_storms_near_supermassive_black_holes [2015/11/06 09:06] (current)
salome created
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 +**Jelle Kaastra**, SRON. Tuesday November 10th, 4:00pm, room HG 00.062  ​
  
 +**Dark storms near supermassive black holes**
 +
 +
 +Supermassive black holes at the centers of galaxies grow together with the
 +surrounding stellar bulge, an indication of strong feedback of the black hole
 +with its environment. One way to study this process is by observing the
 +photoionised outflows from the black hole region. In this presentation I will
 +show how progress is being made in this field using the example of the
 +Seyfert galaxy NGC 5548. In this source a dark and dense storm close
 +to the black holes blocks a major part of the ionising radiation in more
 +remote regions, allowing detailed studies of the physical environment close
 +to and far away from the black hole.