Abstract Details
| Name: Sonkamble Satish Shripati Affiliation: SRTM University, Nanded Conference ID: ASI2015_477 Title : \title{AGN Feedback in strong cool core cluster Abell 2390} Authors and Co-Authors : S.S. Sonkamble$^{1}$, N.D. Vagshette$^{2}$, A. T. Kyadampure$^{1}$, P. K. Pawar$^{1}$, M.K. Patil$^{1} Affiliations: $^{1}$ School of Physical Sciences, Swami Ramanand Teerth Marathwada University, Nanded, 431 606, India. $^{2}$ Inter University Center for Astronomy \& Astrophysics (IUCAA), Pune 411 007, India Abstract Type : Poster Abstract Category : Extragalactic astronomy Abstract : We present systematic analysis \textit{Chandra} X-ray data on the strong cool core cluster Abell 2390 at $z$ = 0.228 that host an energetic radio AGN. This analysis enabled us to investigate five X-ray deficient cavities in the surface brightness distribution of Abell 2390, located within the central 30 arcsec ($\sim$108 kpc), and were confirmed through a variety of image processing techniques. Temperature profile as well as 2D temperature map derived for Abell 2390 revealed structures in the distribution of ICM, in the sense that ICM in NW direction is relatively cooler than that on the SE direction. Unsharp masked image also reveals an X-ray edge at $\sim$ 268\,kpc on NW side and is found to coincide with the radio edge due to several compact radio sources. Tricolor map as well as hardness ratio maps detect cool clumps in the central 30\,kpc region with an average temperature $5.08_{-0.24}^{+0.25}$\,keV. The entropy profile at the core reveals a floor at 12.20$\pm$2.54 keV cm$^2$ and hence confirms intermittent heating by the central AGN. The diffuse radio emission mapped through 1.4\,GHz VLA L-band data exhibits spatial correspondence with all the X-ray cavities. Estimate of the kinetic power injected by the AGN in to the ICM is found to be 3.3$\times$10$^{46}$ erg\,s$^{-1}$ and is roughly two orders of magnitude higher than that lost by the ICM in the form of X-ray emission, implying that the AGN feedback is capable enough to quench the cooling flow in this cluster. |