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It is well known that supermassive black holes (SMBHs) and their host galaxies co-evolve. AGN feedback plays an important role on this symbiosis. To study the effect of the AGN feedback on the host galaxy, a popular method is to study the…

星系天体物理 · 物理学 2023-12-06 George Mountrichas , Veronique Buat

We investigate the relation of black hole mass versus host stellar mass and that of mass accretion rate versus star formation rate (SFR) in moderately luminous ($\log L_{\rm bol} \sim 44.5-46.5\ {\rm erg\ s^{-1}}$), X-ray selected…

星系天体物理 · 物理学 2021-03-24 Kenta Setoguchi , Yoshihiro Ueda , Yoshiki Toba , Masayuki Akiyama

It is still a matter of intense debate how supermassive black holes (SMBH) grow, and the role played by feedback from active galactic nuclei (AGN) in the co-evolution of SMBHs and galaxies. To test the coevolution proposed by theoretical…

星系天体物理 · 物理学 2022-11-30 George Mountrichas , Francesco Shankar

We present an improved study of the relation between supermassive black hole growth and their host galaxy properties in the local Universe (z < 0.33). To this end, we build an extensive sample combining spectroscopic measurements of…

星系天体物理 · 物理学 2024-01-17 O. Torbaniuk , M. Paolillo , R. D'Abrusco , C. Vignali , A. Georgakakis , F. J. Carrera , F. Civano

We investigate the connection between supermassive black holes (SMBHs), their host galaxies, and large-scale dark-matter halos using broad-line X-ray AGN from the XMM--XXL and Stripe\,82X surveys, together with galaxies from VIPERS and…

星系天体物理 · 物理学 2026-04-24 G. Mountrichas , F. Shankar , F. J. Carrera , A. Georgakakis

Our knowledge of relations between supermassive black holes and their host galaxies at $z\gtrsim1$ is still limited, even though being actively sought out to $z\sim6$. Here, we use the high resolution and sensitivity of JWST to measure the…

The coeval AGN and galaxy evolution and the observed local relations between SMBHs and galaxy properties suggest some connection or feedback between SMBH growth and galaxy build-up. We looked for correlations between properties of X-ray…

In this study, our primary objective is to compare the properties of SMBH and their host galaxies between type 1 and type 2 AGN. In our analysis, we use X-ray detected sources in two fields, namely the eFEDS and the COSMOS-Legacy. To…

星系天体物理 · 物理学 2023-12-20 G. Mountrichas , I. Georgantopoulos

It is well known that supermassive black holes (SMBHs) and their host galaxies co-evolve. A manifestation of this co-evolution is the correlation that has been found between the SMBH mass, M$_{BH}$, and the galaxy bulge or stellar mass,…

星系天体物理 · 物理学 2023-04-12 George Mountrichas

We investigate the dependence of black-hole accretion rate (BHAR) on host-galaxy star formation rate (SFR) and stellar mass ($M_*$) in the CANDELS/GOODS-South field in the redshift range of $0.5\leq z < 2.0$. Our sample consists of $\approx…

We study the co-evolution of black holes (BHs) and their host galaxies in the ASTRID and Illustris-TNG300 cosmological simulations and the Dark Sage Semi-Analytic Model (SAM), focusing on the evolution of the BH mass - stellar mass ($M_{\rm…

We present a measurement of the average supermassive black hole accretion rate (BHAR) as a function of star formation rate (SFR) for galaxies in the redshift range 0.25<z<0.8. We study a sample of 1,767 far-IR selected star-forming galaxies…

Observations in the local universe show a tight correlation between the masses of supermassive black holes (SMBHs; $M_{\rm BH}$) and host-galaxy bulges ($M_{\rm bulge}$), suggesting a strong connection between SMBH and bulge growth.…

星系天体物理 · 物理学 2019-03-13 Guang Yang , W. N. Brandt , D. M. Alexander , C. -T. J. Chen , Q. Ni , F. Vito , F. -F. Zhu

We present a study of the active galactic nucleus (AGN) activity in the local Universe (z < 0.33) and its correlation with the host galaxy properties, derived from a Sloan Digital Sky Survey (SDSS DR8) sample with spectroscopic…

A fundamental question in galaxy and black-hole evolution remains how galaxies and their supermassive black holes have evolved together over cosmic time. Specifically, it is still unclear how the position of X-ray active galactic nucleus…

星系天体物理 · 物理学 2024-01-25 Nathan Cristello , Fan Zou , W. N. Brandt , Chien-Ting J. Chen , Joel Leja , Qingling Ni , Guang Yang

In this work, we compare the SMBH and host galaxy properties of X-ray obscured and unobscured AGN. For that purpose, we use $\sim 35 000$ X-ray detected AGN in the 4XMM-DR11 catalogue for which there are available measurements for their…

星系天体物理 · 物理学 2024-01-02 G. Mountrichas , A. Viitanen , F. J. Carrera , H. Stiele , A. Ruiz , I. Georgantopoulos , S. Mateos , A. Corral

We investigate the star formation activity and black hole scaling relations in a sample of 1451 AGN hosted by dwarf galaxies at redshift 0.5 to 0.9, drawn from the VIPERS survey. The sample comprises Seyferts and LINERs identified through…

星系天体物理 · 物理学 2025-10-01 G. Mountrichas , M. Siudek , F. J. Carrera

We examine the correlation between the star formation rate (SFR) and black hole accretion rate (BHAR) across a suite of different AGN feedback models, using the time evolution of a merger simulation. By considering three different stages of…

星系天体物理 · 物理学 2015-06-22 Robert J. Thacker , C. MacMackin , James Wurster , Alexander Hobbs
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