Warning: following the coronavirus emergency, all the talks will be given remotely online. The link to connect to the seminar will be available in due time. A playlist of the remote talks already online is available on our YouTube channel »
A first view at the core of A1668: offset cooling and AGN feedback
Thomas Pasini (Hamburg University)
Tuesday 12/01/2021 @ 14:00, Sala IV piano Battiferro
In this talk, I will present the results of a multi-wavelength analysis performed by means of new radio (VLA), X-ray (Chandra) and Halpha (VIMOS) observations of the cool-core cluster A1668. We find evidences of spatial offsets between the different gas phases and the central radio galaxy. Two putative cavities are detected and analysed, comparing the corresponding power with the state-of-the-art correlation between cavity power and cooling luminosity. The results suggest that offsets are not interrupting or preventing the cooling. Finally, we discuss possible scenarios that could explain the observed features and produce the current environment of A1668.