Abstract Details
| Name: Suchetana Chatterjee Affiliation: Presidency University, Kolkata Conference ID: ASI2019_62 Title : Supermassive Black Holes and their Host Dark Matter Halos Authors and Co-Authors : Suchetana Chatterjee, Priyanka Chakraborty, Anwesh Majumdar, Kaustav Mitra, Mike DiPompeo, Ryan Hickox, Rudrani KarChowdhury, Nishikant Khandai, Adam Myers, Jonathan Richardson and Zheng Zheng Abstract Type : Poster Abstract Category : Extragalactic Astronomy Abstract : Through a plethora of observational results we now know that there is a supermassive black hole (SMBH) at the center of every galaxy in the Universe with a fraction of them harboring an active accretion disc and are known as active galactic nuclei (AGN). Thus in the paradigm of structure formation we like to address the question of relating SMBH with their host dark matter halos. Observationally by studying the spatial clustering of SMBH or AGN we can infer about their dark matter hosts. AGN clustering can be characterized within a powerful theoretical framework known as the Halo Occupation Distribution (HOD). We present the HOD modeling of AGN using a fully cosmological simulation and show that the underlying theoretical model fits the two-point correlation function (2PCF) of different types of AGN. This provides us an evolutionary picture of AGN along with dark matter halos over cosmic time. References: 1. "Mean Occupation Function of High Redshift Quasars from the Planck Cluster Catalog", Chakraborty, P. et al., 2018, 130, 988, PASP 2. "Halo Occupation Distribution of Obscured Quasars: Revisiting the Unification Model", Mitra, K. et al., 2018, 477, 1, MNRAS 3. "A Direct Measurement of the Mean Occupation Function of Quasars: Breaking Degeneracy of Halo Occupation Distribution Models", S.Chatterjee et al., 2013, 779, 147, ApJ 4. "The Halo Occupation Distribution of X-ray-bright Active Galactic Nuclei: A Comparison with Luminous Quasars", J. Richardson et al., 2013, 774, 143, ApJ |