338 citations · 2.4k across the 39 of their papers we have counts for
33 papers · 1 filter
The X-ray statistical properties of dust-obscured galaxies detected by eROSITA
Akatoki Noboriguchi, Kohei Ichikawa, Yoshiki Toba +15
Dust-obscured galaxies (DOGs) are considered to be in a co-evolution phase, with the associated active galactic nuclei (AGN) obscured by dust and gas. Although the DOGs are thought…
Resolving galactic-scale obscuration of X-ray AGN at with COSMOS-Web
John D. Silverman, Vincenzo Mainieri, Xuheng Ding +25
A large fraction of the accreting supermassive black hole population is shrouded by copious amounts of gas and dust, particularly in the distant () Universe. While much…
Overmassive black holes in dwarf galaxies out to z0.9 in the VIPERS survey
M. Mezcua, M. Siudek, H. Suh +3
Supermassive black holes (SMBHs) are thought to originate from early Universe seed black holes of mass -10 M and grown through cosmic time. S…
A Wide and Deep Exploration of Radio Galaxies with Subaru HSC (WERGS). IV. Rapidly Growing (Super-)Massive Black Holes in Extremely Radio-Loud Galaxies
Kohei Ichikawa, Takuji Yamashita, Yoshiki Toba +19
We present the optical and infrared properties of 39 extremely radio-loud galaxies discovered by cross-matching the Subaru/Hyper Suprime-Cam (HSC) deep optical imaging survey and V…
Optical Spectroscopy of Dual Quasar Candidates from the Subaru HSC-SSP program
Shenli Tang, John D. Silverman, Xuheng Ding +30
We report on a spectroscopic program to search for dual quasars using Subaru Hyper Suprime-Cam (HSC) images of SDSS quasars which represent an important stage during galaxy mergers…
Subaru High-z Exploration of Low-Luminosity Quasars (SHELLQs). XIII. Large-scale Feedback and Star Formation in a Low-Luminosity Quasar at z = 7.07 on the Local Black Hole to Host Mass Relation
Takuma Izumi, Yoshiki Matsuoka, Seiji Fujimoto +22
We present ALMA [CII] 158 m line and underlying far-infrared (FIR) continuum emission observations ( resolution) toward HSC J124353.93010038.5 (J1243…
Subaru High-z Exploration of Low-Luminosity Quasars (SHELLQs) XII. Extended [C II] Structure (Merger or Outflow) in a z = 6.72 Red Quasar
Takuma Izumi, Masafusa Onoue, Yoshiki Matsuoka +31
We present ALMA [C II] 158 m line and far-infrared (FIR) continuum emission observations toward HSC J120505.09000027.9 (J12050000) at with the beam size of $\si…
Dual supermassive black holes at close separation revealed by the Hyper Suprime-Cam Subaru Strategic Program
John D. Silverman, Shenli Tang, Khee-Gan Lee +30
The unique combination of superb spatial resolution, wide-area coverage, and deep depth of the optical imaging from the Hyper Suprime-Cam (HSC) Subaru Strategic Program is utilized…
The clustering of X-ray AGN at 0.5 < z < 4.5: host galaxies dictate dark matter halo mass
Charutha Krishnan, Omar Almaini, Nina A. Hatch +6
We present evidence that AGN do not reside in ``special'' environments, but instead show large-scale clustering determined by the properties of their host galaxies. Our study is ba…
Probing black hole accretion tracks, scaling relations and radiative efficiencies from stacked X-ray active galactic nuclei
Francesco Shankar, David H. Weinberg, Christopher Marsden +25
The masses of supermassive black holes at the centres of local galaxies appear to be tightly correlated with the mass and velocity dispersions of their galactic hosts. However, the…
No significant evolution of relations between Black hole mass and Galaxy total stellar mass up to z~2.5
Hyewon Suh, Francesca Civano, Benny Trakhtenbrot +4
We investigate the cosmic evolution of the ratio between black hole mass (MBH) and host galaxy total stellar mass (Mstellar) out to z~2.5 for a sample of 100 X-ray-selected moderat…
Unveiling Sizes of Compact AGN Hosts with ALMA
Yu-Yen Chang, Emeric Le Floc'h, Stéphanie Juneau +7
We present rest-frame far-infrared (FIR) and optical size measurements of AGN hosts and star-forming galaxies in the COSMOS field, enabled by high-resolution ALMA/1 mm (0.1 arcsec…
The Chandra COSMOS Legacy Survey: clustering dependence of Type 2 AGN on host galaxy properties
V. Allevato, A. Viitanen, A. Finoguenov +10
Aims. We perform clustering measurements of 800 X-ray selected Chandra COSMOS Legacy (CCL) Type 2 AGN with known spectroscopic redshift to probe the halo mass dependence on AGN hos…
HSC-XD 52: An X-ray detected AGN in a low-mass galaxy at
Goni Halevi, Andy Goulding, Jenny Greene +8
The properties of low-mass galaxies hosting central black holes provide clues about the formation and evolution of the progenitors of supermassive black holes. In this letter, we p…
Radio jets from AGN in dwarf galaxies in the COSMOS survey: mechanical feedback out to redshift 3.4
M. Mezcua, H. Suh, F. Civano
Dwarf galaxies are thought to host the remnants of the early Universe seed black holes (BHs) and to be dominated by supernova feedback. However, recent studies suggest that BH feed…
An observational link between AGN Eddington ratio and [NII]λ6583/Ha at 0.6<z<1.7
Kyuseok Oh, Yoshihiro Ueda, Masayuki Akiyama +4
We present an observed relationship between Eddington ratio (λEdd) and optical narrow-emission-line ratio ([N II]λ6583/Hα) of X-ray-selected broad-line active galactic nuclei (AGN)…
The composite nature of Dust-Obscured Galaxies (DOGs) at z~2-3 in the COSMOS field: II. The AGN fraction
Laurie A. Riguccini, Ezequiel Treister, Karín Menéndez-Delmestre +18
We present the X-ray properties of 108 Dust-Obscured Galaxies (DOGs; F/F 1000) in the COSMOS field, all of which detected in at least three far-infrared bands wit…
Subaru High-z Exploration of Low-Luminosity Quasars (SHELLQs). VI. Black Hole Mass Measurements of Six Quasars at 6.1<z<6.7
Masafusa Onoue, Nobunari Kashikawa, Yoshiki Matsuoka +14
We present deep near-infrared spectroscopy of six quasars at 6.1<z<6.7 with VLT/X-Shooter and Gemini-N/GNIRS. Our objects, originally discovered through a wide-field optical survey…
Multi-wavelength properties of Type 1 and Type 2 AGN Host Galaxies in the Chandra-COSMOS Legacy Survey
Hyewon Suh, Francesca Civano, Guenther Hasinger +6
We investigate the multi-wavelength properties of host galaxies of 3701 X-ray-selected active galactic nuclei (AGNs) out to z~5 in the Chandra-COSMOS Legacy Survey. Thanks to the e…
An FMOS Survey of moderate-luminosity broad-line AGN in COSMOS, SXDS and E-CDF-S
A. Schulze, J. D. Silverman, D. Kashino +13
We present near-IR spectroscopy in J- and H-band for a large sample of 243 X-ray selected moderate-luminosity type-1 AGN in the COSMOS, SXDS and E-CDF-S survey fields using the mul…
The DEIMOS 10k spectroscopic survey catalog of the COSMOS field
G. Hasinger, P. Capak, M. Salvato +14
We present a catalog of 10718 objects in the COSMOS field observed through multi-slit spectroscopy with the Deep Imaging Multi-Object Spectrograph (DEIMOS) on the Keck II telescope…
Evidence for Merger-Driven Growth in Luminous, High-z, Obscured AGN in the CANDELS/COSMOS Field
J. L. Donley, J. Kartaltepe, D. Kocevski +27
While major mergers have long been proposed as a driver of both AGN activity and the M-sigma relation, studies of moderate to high redshift Seyfert-luminosity AGN hosts have found…
Type 2 AGN host galaxies in the Chandra-COSMOS Legacy Survey: No Evidence of AGN-driven Quenching
Hyewon Suh, Francesca Civano, Guenther Hasinger +16
We investigate the star formation properties of a large sample of ~2300 X-ray-selected Type 2 Active Galactic Nuclei (AGNs) host galaxies out to z~3 in the Chandra COSMOS Legacy Su…
The Chandra COSMOS Legacy Survey: Clustering of X-ray selected AGN at 2.9<z<5.5 using photometric redshift Probability Distribution Functions
V. Allevato, F. Civano, A. Finoguenov +16
We present the measurement of the projected and redshift space 2-point correlation function (2pcf) of the new catalog of Chandra COSMOS-Legacy AGN at 2.9z5.5 ($\langle…