The quest for dual and binary supermassive black holes: A multi-messenger view

A De Rosa, C Vignali, T Bogdanović, PR Capelo… - New Astronomy …, 2019 - Elsevier
The quest for binary and dual supermassive black holes (SMBHs) at the dawn of the multi-
messenger era is compelling. Detecting dual active galactic nuclei (AGN)–active SMBHs at …

The power of infrared AGN selection in mergers: a theoretical study

L Blecha, GF Snyder, S Satyapal… - Monthly Notices of the …, 2018 - academic.oup.com
The role of galaxy mergers in fuelling active galactic nuclei (AGNs) is still debated, owing
partly to selection effects inherent to studies of the merger/AGN connection. In particular …

Varstrometry for off-nucleus and dual subkiloparsec AGN (VODKA): Hubble Space Telescope discovers double quasars

YC Chen, HC Hwang, Y Shen, X Liu… - The Astrophysical …, 2022 - iopscience.iop.org
Dual supermassive black holes (SMBHs) at∼ kiloparsec scales are the progenitor
population of SMBH mergers and play an important role in understanding the pairing and …

A hard X-ray view of luminous and ultra-luminous infrared galaxies in GOALS–I. AGN obscuration along the merger sequence

C Ricci, GC Privon, RW Pfeifle, L Armus… - Monthly Notices of …, 2021 - academic.oup.com
The merger of two or more galaxies can enhance the inflow of material from galactic scales
into the close environments of active galactic nuclei (AGNs), obscuring and feeding the …

A 100-kiloparsec wind feeding the circumgalactic medium of a massive compact galaxy

DSN Rupke, A Coil, JE Geach, C Tremonti… - Nature, 2019 - nature.com
Ninety per cent of baryons are located outside galaxies, either in the circumgalactic or
intergalactic medium,. Theory points to galactic winds as the primary source of the enriched …

Enhanced atomic gas fractions in recently merged galaxies: quenching is not a result of post-merger gas exhaustion

SL Ellison, B Catinella, L Cortese - Monthly Notices of the Royal …, 2018 - academic.oup.com
We present a detailed assessment of the global atomic hydrogen gas fraction (f gas= log
[/M⋆]) in a sample of post-merger galaxies identified in the Sloan Digital Sky Survey (SDSS) …

The X-shooter GRB afterglow legacy sample (XS-GRB)

J Selsing, D Malesani, P Goldoni, JPU Fynbo… - Astronomy & …, 2019 - aanda.org
In this work we present spectra of all γ-ray burst (GRB) afterglows that have been promptly
observed with the X-shooter spectrograph until 31/03/2017. In total, we have obtained …

The diagnostic potential of JWST in characterizing elusive AGNs

S Satyapal, L Kamal, JM Cann… - The Astrophysical …, 2021 - iopscience.iop.org
It is now clear that a significant population of accreting black holes are undetected by
commonly employed optical, mid-infrared color, X-ray, and radio selection methods as a …

A Census of WISE-selected Dual and Offset AGNs Across the Sky: New Constraints on Merger-driven Triggering of Obscured AGNs

RS Barrows, JM Comerford, D Stern… - The Astrophysical …, 2023 - iopscience.iop.org
Pairs of galaxies hosting active galactic nuclei (AGNs) are powerful probes of merger-driven
supermassive black hole (SMBH) growth as they can resolve individual AGNs and trace …

Constraining sub-parsec binary supermassive black holes in quasars with multi-epoch spectroscopy–III. Candidates from continued radial velocity tests

H Guo, X Liu, Y Shen, A Loeb… - Monthly Notices of …, 2019 - academic.oup.com
Quasars whose broad emission lines show temporal, bulk radial velocity (RV) shifts have
been proposed as candidate sub-parsec (sub-pc), binary supermassive black holes …