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20232026
most citedSurveying the onset and evolution of supermassive black holes at high-z with AXIS

9 citations · 30 across the 18 of their papers we have counts for

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9 papers · 1 filter

astro-ph.HE2026

Investigating the Multiwavelength Emission of Binary SMBH Candidate SDSS J095036.75+512838.1

Cassandra Daniele, Adi Foord, Jessie Runnoe +2

We present results from a multiwavelength study of the binary AGN candidate SDSS J095036.75+512838.1, which was identified as a candidate binary SMBH system due to its significant…

astro-ph.HE2025★ 1 cited

Evidence for Supermassive Black Hole Binaries

Martin G. H. Krause, Martin A. Bourne, Silke Britzen +10

We review the state of the evidence for the existence and observational appearance of supermassive black hole binaries. Such objects are expected from standard hierarchical galaxy…

astro-ph.HE2025★ 3 cited

The Advanced X-ray Imaging Satellite (AXIS) Community Science Book

Michael Koss, Nafisa Aftab, Steven W. Allen +395

The AXIS Community Science Book represents the collective effort of 592 scientists worldwide to define the transformative science enabled by the Advanced X-ray Imaging Satellite (A…

astro-ph.HE2024

Chandra Discovery of a Candidate Hyper-Luminous X-ray Source in MCG+11-11-032

Adi Foord, Francesca Civano, Julia M. Comerford +9

We present a multi-wavelength analysis of MCG+11-11-032, a nearby AGN with the unique classification of both a binary and a dual AGN candidate. With new Chandra observations we aim…

astro-ph.HE2023★ 1 cited

Searching for the Highest-z Dual AGN in the Deepest Chandra Surveys

Brandon Sandoval, Adi Foord, Steven W. Allen +9

We present an analysis searching for dual AGN among 62 high-redshift () X-ray sources selected from publicly available deep Chandra fields. We aim to quantify the fr…

astro-ph.HE2023★ 6 cited

Hot Gas Outflow Properties of the Starburst Galaxy NGC 4945

Natalia Porraz Barrera, Sebastian Lopez, Laura A. Lopez +5

We analyze 330 ks of {\it Chandra} X-ray imaging and spectra of the nearby, edge-on starburst and Seyfert Type 2 galaxy NGC 4945 to measure the hot gas properties along the galacti…

astro-ph.HE2023

Prospects for AGN Studies with AXIS: AGN Fueling -- Resolving Hot Gas inside Bondi Radius of SMBHs

Ka-Wah Wong, Helen Russell, Jimmy Irwin +2

Hot gas around a supermassive black hole (SMBH) should be captured within the gravitational "sphere of influence", characterized by the Bondi radius. Deep Chandra observations have…

astro-ph.HE2023★ 9 cited

Surveying the onset and evolution of supermassive black holes at high-z with AXIS

Nico Cappelluti, Adi Foord, Stefano Marchesi +8

The nature and origin of supermassive black holes (SMBHs) remain an open matter of debate within the scientific community. While various theoretical scenarios have been proposed, e…

astro-ph.HE2023★ 3 cited

Tracking Supermassive Black Hole Mergers from kpc to sub-pc Scales with AXIS

Adi Foord, Nico Cappelluti, Tingting Liu +8

We present an analysis showcasing how the Advanced X-ray Imaging Satellite (AXIS), a proposed NASA Probe-class mission, will significantly increase our understanding of supermassiv…