AGN feedback mechanism in cool-core cluster galaxies

by Dr Nilkanth Vagshette (Inter-University Centre for Astronomy and Astrophysics (IUCAA), Pune)

Tuesday 21 Jul 2015, 16:00 → 17:00 Asia/Kolkata

DAA SEMINAR ROOM A269 (TIFR)

In this talk I will explain the heating and cooling mechanism in cool-core cluster galaxies. Active Galactic Nuclei (AGN) in the center of galaxies group and clusters are believed to play an important role in galaxy formation and cluster evolution, by regulating the cooling of the hot gas between them. The current generation X-ray telescopes, like Chandra and XMM-Newton have revealed a complex relation between heating and cooling, via spectroscopically measurement of gas cooling and imaging of the interaction of jets and gas in the core of the clusters. However, the physics of the balance between heating and cooling process is known for only few nearest systems and so remains poorly understood. Apart from this I will briefly explain the CZTI calibration part as well as my future plan.