Work

Does black-hole growth depend on the cosmic environment?

Year: 2018

Type: article

Abstract: It is well known that environment affects galaxy evolution, which is broadly related to supermassive black hole (SMBH) growth.We investigate whether SMBH evolution also depends on host-galaxy local (sub-Mpc) and global (≈1-10 Mpc) environment.We construct the surface-density field (local environment) and cosmic web (global environment) in the Cosmic Evolution Survey (COSMOS) field at z = 0.3-3.0.The environments in COSMOS range from the field to clusters (M halo 10 14 M ), covering the environments where ≈ 99 per cent of galaxies in the Universe reside.We measure sample-averaged SMBH accretion rate (BHAR) from X-ray observations, and study its dependence on overdensity and cosmic-web environment at different redshifts while controlling for galaxy stellar mass (M ).Our results show that BHAR does not significantly depend on overdensity or cosmic-web environment once M is controlled, indicating that environment-related physical mechanisms (e.g.tidal interaction and ram-pressure stripping) might not significantly affect SMBH growth.We find that BHAR is strongly related to host-galaxy M , regardless of environment.

Source: Monthly Notices of the Royal Astronomical Society

DOI: 10.1093/mnras/sty1910

Authors: G Yang(杨光), W N Brandt, B Darvish, C-T J Chen(陳建廷), F Vito, D M Alexander, F E Bauer, J R Trump

Institutions: Pennsylvania State University, California Institute of Technology, Durham University, Space Science Institute, Pontificia Universidad Católica de Chile, Millennium Institute of Astrophysics, University of Connecticut

Language: English

Topic: Galaxies: Formation, Evolution, Phenomena

Subfield: Astronomy and Astrophysics

Field: Physics and Astronomy

Domain: Physical Sciences

Open Access status: bronze

Funders: National Science Foundation, National Aeronautics and Space Administration, Science and Technology Facilities Council, Comisión Nacional de Investigación Científica y Tecnológica, Astrophysics Division

Awards: Protogalactic Disks: A New Window on Galaxy Formation, G249051994, G3143225424, G3212984348, G3880561207, G4329979236, G4464970685, G653891685, WE PROPOSE A 12 DEG 2 XMM NEWTON SURVEY AT 50 KS DEPTH OF THREE PRIME SKY REGIONS THE SERVS AREAS OF W CDF S XMM LSS AND ELAIS S1. THIS XMM SERVS SURVEY WILL ALLOW OUTSTANDING STUDIES OF THE NEWLY DETECTED 7800 AGNS AND 760X RAY GROUPS CLUSTERS BY POWERFULLY LEVERAGING MULTIPLE INTENSIVE RADIO TO UV SURVEYS ATLAS HERMES SERVS VIDEO DES HSC PS1MD VOICE CSI AND PRIMUS. WE AIM TO DRAMATICALLY ADVANCE STUDIES OF SMBH GROWTH ACROSS THE FULL RANGE OF COSMIC ENVIRONMENTS LINKS BETWEEN SMBH ACCRETION AND STAR FORMATION EXCEPTIONAL AGNS AT HIGH REDSHIFTS PROTOCLUSTERS AND MULTIPLE OTHER TOPICS. THE TARGETED XMM SERVS FIELDS WILL HAVE EXTRAORDINARY LEGACY VALUE AS MOONSMASSIVE SPECTROSCOPY FIELDS PRIME ALMA FIELDS AND DES LSST DEEP DRILLING FIELDS., WE PROPOSE TO COMPLETE THE DEVELOPMENT OF A NEW APPROACH TO EXTRACTING PHYSICAL PARAMETERS FROM GALEX UV, OPTICAL, AND IR DATA. WE WILL APPLY THIS AP, Durham Astronomy Consolidated Grant 2017-2020, G871136297

OpenAlex ID: W2883399898

FWCI: 2.406

Cites: 172

Cited by: 44

Related to: 10