241 citations · 1.5k across the 31 of their papers we have counts for
31 papers
Another view into JWST-discovered X-ray weak AGNs via radiative dusty feedback
W. Ishibashi, A. C. Fabian, R. Maiolino +2
JWST has revealed a previously unknown population of low-luminosity active galactic nuclei (AGN) in the early Universe. These JWST-AGN at high redshifts are characterised by a set…
Are BAL outflows powered by radiation pressure on dust?
W. Ishibashi, A. C. Fabian, P. C. Hewett
Broad absorption line (BAL) outflows are commonly detected in active galactic nuclei (AGN), but their driving mechanism remains poorly constrained. Here we investigate whether radi…
AGN cool feedback and analogy with X-ray binaries: from radiation pressure to cosmic ray driven outflows
W. Ishibashi, A. C. Fabian
Cool outflows are now commonly observed in galaxies, but their physical origin and driving mechanism remain unclear. Active galactic nucleus (AGN) feedback can potentially accelera…
Radiation pressure-driven outflows from dusty AGN
N. Arakawa, A. C. Fabian, G. J. Ferland +1
Radiation pressure-driven outflows from luminous accreting supermassive black holes are an important part of active galactic nucleus (AGN) feedback. The effective Eddington limit,…
What powers galactic outflows: nuclear starbursts or AGN?
W. Ishibashi, A. C. Fabian
Galactic outflows can be powered either by nuclear starbursts (SB) or active galactic nuclei (AGN). It has been argued that extreme starbursts can power extreme outflows, without t…
Supercritical dusty BH growth in the early Universe
W. Ishibashi
Supermassive black holes (with ) are observed in the first Gyr of the Universe, and their host galaxies are found to contain unexpectedly large…