activity
20002026
most citedCurrent Performance and On-Going Improvements of the 8.2 m Subaru Telescope

156 citations · 226 across the 27 of their papers we have counts for

collaborators
Showing 2025Show all

10 papers · 1 filter

astro-ph.GA2025

HST Confirms Sub-5 kpc Dual Quasar Pairs at Cosmic Noon

Qian Wang, Xuheng Ding, John Silverman +12

During cosmic noon (), when both star formation and black hole growth peaked, galaxy mergers are predicted to trigger dual active galactic nuclei (AGN) that eventually co…

astro-ph.GA2025

ALMA Sub-parsec Resolution Dense Molecular Line Observations of the NGC 1068 Nucleus

Masatoshi Imanishi, Bernd Vollmer, Yoshiaki Hagiwara +3

We present the results of our ALMA observations of the dense molecular HCN J=4-3 and HCO J=4-3 lines at 1 pc (14 mas) resolution in the nuclear region of…

astro-ph.GA2025★ 1 cited

SHELLQs-JWST: Revealing the Spectra of Extended Emission in 12 z > 6 Quasar Host Galaxies using the JWST NIRSpec Fixed Slit

Camryn L. Phillips, Michael A. Strauss, Masafusa Onoue +15

We present an analysis of the rest frame optical JWST NIRSpec Fixed Slit spectra of extended host galaxy emission in 12 quasars from the Subaru High-z Exploration of Low-Luminosity…

astro-ph.GA2025

Subaru High-z Exploration of Low-Luminosity Quasars (SHELLQs). XXIV. 54 New Quasars and Candidate Obscured Quasars at

Yoshiki Matsuoka, Kazushi Iwasawa, Masafusa Onoue +18

We present spectroscopic identification of 43 quasars and 11 candidate obscured quasars in the epoch of reionization (EoR) at , along with 29 galaxies at simil…

astro-ph.GA2025

Merger fraction in galaxy groups and clusters at z < 0.2: A non-parametric morphological study with Subaru Hyper Suprime-Cam

Anri Yanagawa, Yoshiki Toba, Naomi Ota +7

We investigate the environmental dependence of galaxy mergers using high-resolution imaging data from the Hyper Suprime-Cam (HSC) Subaru Strategic Program. We focus on galaxy group…

astro-ph.GA2025

SHELLQs-JWST perspective on the intrinsic mass relation between supermassive black holes and their host galaxies at z > 6

John Silverman, Junyao Li, Xuheng Ding +36

The relation between the masses of supermassive black holes (SMBHs) and their host galaxies encodes information on their mode of growth, especially at the earliest epochs. The Jame…

astro-ph.GA2025★ 4 cited

UNIONS Optical Identifications for VLASS Radio Sources in the Euclid Sky (UNVEIL) I. A Catalog of ~146,000 Radio Galaxies up to z~5

Yuxing Zhong, Kohei Ichikawa, Hendrik Hildebrandt +11

We present results of optical identifications for Very Large Array Sky Survey (VLASS) radio sources using the Ultraviolet Near Infrared Optical Northern Survey (UNIONS). A cross-ma…

astro-ph.GA2025

Quasar Negative Feedback to Surrounding Galaxies Probed with Ly Emitters and Continuum-Selected Galaxies

Yuta Suzuki, Yoshiki Matsuoka, Satoshi Kikuta +3

We report on the statistical analysis of quasar photoevaporation at by comparing the density of surrounding Ly Emitters (LAEs) and continuum-selected galaxies, based…

astro-ph.GA2025★ 13 cited

SHELLQs. Bridging the Gap: JWST Unveils Obscured Quasars in the Most Luminous Galaxies at z > 6

Yoshiki Matsuoka, Masafusa Onoue, Kazushi Iwasawa +17

The unprecedented sensitivity of the James Webb Space Telescope (JWST) has uncovered a surprisingly abundant population of mildly obscured, low-luminosity active galactic nuclei (A…

astro-ph.GA2025★ 10 cited

SHELLQs-JWST Unveils the Host Galaxies of 12 Quasars at z>6

Xuheng Ding, Masafusa Onoue, John D. Silverman +35

The advent of JWST has opened new horizons in the study of quasar host galaxies during the reionization epoch (z>6). Building upon our previous initial measurements of stellar ligh…