The SRG/eROSITA all-sky survey-First X-ray catalogues and data release of the western Galactic hemisphere

A Merloni, G Lamer, T Liu, ME Ramos-Ceja… - Astronomy & …, 2024 - aanda.org
The eROSITA telescope array aboard the Spektrum Roentgen Gamma (SRG) satellite
began surveying the sky in December 2019, with the aim of producing all-sky X-ray source …

Infrared Spectral Energy Distribution and Variability of Active Galactic Nuclei: Clues to the Structure of Circumnuclear Material

J Lyu, G Rieke - Universe, 2022 - mdpi.com
The active galactic nucleus (AGN) phenomenon results from a supermassive black hole
accreting its surrounding gaseous and dusty material. The infrared (IR) regime provides …

CEERS Key Paper. VI. JWST/MIRI Uncovers a Large Population of Obscured AGN at High Redshifts

G Yang, KI Caputi, C Papovich, PA Haro… - The Astrophysical …, 2023 - iopscience.iop.org
Abstract Mid-infrared (mid-IR) observations are powerful in identifying heavily obscured
active galactic nuclei (AGN) that have weak emission in other wavelengths. Data from the …

The low-end of the black hole mass function at cosmic dawn

A Trinca, R Schneider, R Valiante… - Monthly Notices of …, 2022 - academic.oup.com
Understanding the formation and growth of supermassive black holes (SMBHs) at high
redshift represents a major challenge for theoretical models. In this work, we investigate the …

BASS. XXI. The Data Release 2 Overview

MJ Koss, B Trakhtenbrot, C Ricci… - The Astrophysical …, 2022 - iopscience.iop.org
Abstract The BAT AGN Spectroscopic Survey (BASS) is designed to provide a highly
complete census of the key physical parameters of the supermassive black holes (SMBHs) …

BASS XXXVII: The role of radiative feedback in the growth and obscuration properties of nearby supermassive black holes

C Ricci, TT Ananna, MJ Temple, CM Urry… - The Astrophysical …, 2022 - iopscience.iop.org
We study the relation between obscuration and supermassive black hole (SMBH) accretion
using a large sample of hard X-ray selected active galactic nuclei (AGNs). We find a strong …

AGN Selection and Demographics in GOODS-S/HUDF from X-ray to Radio

J Lyu, S Alberts, GH Rieke… - The Astrophysical …, 2022 - iopscience.iop.org
We present a comprehensive census of the active galactic nuclei (AGNs) in the GOODS-
S/HUDF region from the X-ray to the radio, covering both the obscured and unobscured …

Frontiers in accretion physics at high X-ray spectral resolution

P Gandhi, T Kawamuro, M Díaz Trigo, JA Paice… - Nature …, 2022 - nature.com
Microcalorimeters have shown remarkable success in delivering high-spectral-resolution
observations of the hot and energetic Universe, and have paved the way to revolutionary …

BASS. XXX. Distribution functions of DR2 Eddington ratios, black hole masses, and X-ray luminosities

TT Ananna, AK Weigel, B Trakhtenbrot… - The Astrophysical …, 2022 - iopscience.iop.org
We determine the low-redshift X-ray luminosity function, active black hole mass function
(BHMF), and Eddington ratio distribution function (ERDF) for both unobscured (Type 1) and …

Astrophysical constraints on decaying dark gravitons

JAP Law-Smith, G Obied, A Prabhu, C Vafa - Journal of High Energy …, 2024 - Springer
A bstract In the dark dimension scenario, which predicts an extra dimension of micron scale,
dark gravitons (KK modes) are a natural dark matter candidate. In this paper, we study …