TI
Takuma Izumi
astro-ph.GAastro-ph.COastro-ph.HEastro-ph.IMastro-ph.SRastro-ph.EP
On Valency
published · living versionsW_unu28bt7·v1 · currentpublished
Why a Multi-Cycle Treasury Program is Essential to Maximize JWST's Scientific Contributions to Galaxy Formation
with Genesis Community, Alice Shapley, Steven L. Finkelstein, Rachel S. Somerville +416
1 version
Preprints & journals
96 papers in the corpus · 2013–2026SHELLQs. Black Hole Mass and Eddington Ratio Distributions of Intermediate-Luminosity Quasars at 6<z<72609.09266v1 · Masafusa Onoue, John D. Silverman, Yoshiki Matsuoka et al.2026 · 0 citationsarXiv
GATOS: Distinct Feedback Modes in AGN Central Regions Revealed by Spatially Resolved JWST Spectroscopy2608.08369v1 · Lulu Zhang, Chris Packham, Erin K. S. Hicks et al.2026 · 0 citationsarXiv
Spectrally and spatially resolved (sub)millimeter HCN-to-HCO flux ratios in nearby ultraluminous infrared galaxies2605.06842v1 · Masatoshi Imanishi, Yuri Nishimura, Shunsuke Baba et al.2026 · 0 citationsarXiv
Multiphase Gas Structure in the Circumnuclear Region of NGC 5506 Observed with ALMA2604.07587v1 · Kana Takechi, Hiroshi Nagai, Nozomu Kawakatu et al.2026 · 0 citationsarXiv
Possible time-variable iron-K emission in the circumnuclear region of the Circinus galaxy2601.13660v2 · Aiko Miyamoto, Taiki Kawamuro, Hirokazu Odaka et al.2026 · 0 citationsarXiv
SHELLQs-JWST: Revealing the Spectra of Extended Emission in 12 z > 6 Quasar Host Galaxies using the JWST NIRSpec Fixed Slit2510.22403v1 · Camryn L. Phillips, Michael A. Strauss, Masafusa Onoue et al.2025 · 4 citationsarXiv
ALMA Deep Field in SSA22: Reconstructed [CII] Luminosity Function at z = 62510.02303v1 · Natsuki H. Hayatsu, Rob J. Ivison, Paola Andreani et al.2025 · 0 citationsarXiv
Subaru High-z Exploration of Low-Luminosity Quasars (SHELLQs). XXIV. 54 New Quasars and Candidate Obscured Quasars at 2508.21229v2 · Yoshiki Matsuoka, Kazushi Iwasawa, Masafusa Onoue et al.2025 · 0 citationsApJS 280, 68 (2025)
SHELLQs-JWST perspective on the intrinsic mass relation between supermassive black holes and their host galaxies at z > 62507.23066v2 · John Silverman, Junyao Li, Xuheng Ding et al.2025 · 15 citationsarXiv
GATOS. VIII. On the physical origin of the extended MIR emission in AGN2507.19350v2 · Enrique Lopez-Rodriguez, Cristina Ramos Almeida, Miguel Pereira-Santaella et al.2025 · 1 citationarXiv
Overmassive Black holes live in compact galaxies in the early Universe2506.14896v2 · Yuxuan Wu, Tao Wang, Daizhong Liu et al.2025 · 0 citationsarXiv
SHELLQs. Bridging the Gap: JWST Unveils Obscured Quasars in the Most Luminous Galaxies at z > 62505.04825v3 · Yoshiki Matsuoka, Masafusa Onoue, Kazushi Iwasawa et al.2025 · 13 citationsApJ 988, 57 (2025)
Subaru High-z Exploration of Low-Luminosity Quasars (SHELLQs) XXII. Chandra observations of narrow-line quasar candidates at z>62505.04826v3 · K. Iwasawa, R. Gilli, F. Vito et al.2025 · 1 citationarXiv
SHELLQs-JWST Unveils the Host Galaxies of 12 Quasars at z>62505.03876v2 · Xuheng Ding, Masafusa Onoue, John D. Silverman et al.2025 · 11 citations2025ApJ, 993, 91D
From Non-Detection to Detection: Atacama Compact Array Mosaic Observations of Faint Extended [C I] Emission in NGC 76792503.09913v1 · Tomonari Michiyama, Toshiki Saito, Kouichiro Nakanishi et al.2025 · 0 citationsarXiv
No Galaxy-Scale [CII] Fast Outflow in the z=6.72 Red Quasar HSC J1205$-$00002502.16858v1 · Mahoshi Sawamura, Takuma Izumi, Kouichiro Nakanishi et al.2025 · 4 citationsarXiv
The Galaxy Activity, Torus, and Outflow Survey (GATOS). VII. The 20-214 m imaging atlas of active galactic nuclei using SOFIA2411.18738v1 · Lindsay Fuller, Enrique Lopez-Rodriguez, Ismael Garcia-Bernete et al.2024 · 2 citationsarXiv
Implication of a galaxy-scale negative feedback by one of the most powerful multi-phase outflows in a hyper-luminous infrared galaxy at the intermediate redshift2410.20842v3 · Xiaoyang Chen, Masayuki Akiyama, Kohei Ichikawa et al.2024 · 0 citationsarXiv
The Galaxy Activity, Torus, and Outflow Survey (GATOS). (IV): Exploring Ionized Gas Outflows in Central Kiloparsec Regions of GATOS Seyferts2409.09771v1 · Lulu Zhang, Chris Packham, Erin K. S. Hicks et al.2024 · 38 citationsarXiv
Polycyclic Aromatic Hydrocarbon Emission in the Central Regions of Three Seyferts the Implication for Underlying Feedback Mechanisms2409.09772v2 · Lulu Zhang, Ismael Garc'ia-Bernete, Chris Packham et al.2024 · 19 citationsarXiv
A Post-Starburst Pathway for the Formation of Massive Galaxies and Black Holes at z>62409.07113v2 · Masafusa Onoue, Xuheng Ding, John D. Silverman et al.2024 · 25 citationsarXiv
Key Science Goals for the Next Generation Very Large Array (ngVLA): Update from the ngVLA Science Advisory Council (2024)2408.14497v1 · David J. Wilner, Brenda C. Matthews, Brett McGuire et al.2024 · 1 citationarXiv
Detection of the [O I] 63 m emission line from the quasar J2054-00052408.09944v3 · Nozomi Ishii, Takuya Hashimoto, Carl Ferkinhoff et al.2024 · 8 citationsarXiv
A biconical ionised gas outflow and evidence for positive feedback in NGC 7172 uncovered by MIRI/JWST2407.15807v1 · L. Hermosa Munoz, A. Alonso-Herrero, M. Pereira-Santaella et al.2024 · 29 citationsA&A 690, A350 (2024)
Ongoing and fossil large-scale outflows detected in a high-redshift radio galaxy: [C II] observations of TN J0924$-$2201 at 2407.00977v1 · Kianhong Lee, Masayuki Akiyama, Kotaro Kohno et al.2024 · 3 citationsarXiv
GATOS: missing molecular gas in the outflow of NGC5728 revealed by JWST2406.17072v1 · R. Davies, T. Shimizu, M. Pereira-Santaella et al.2024 · 41 citationsA&A 689, A263 (2024)
Discovery of merging twin quasars at z = 6.052405.02465v1 · Yoshiki Matsuoka, Takuma Izumi, Masafusa Onoue et al.2024 · 19 citationsThe Astrophysical Journal Letters, Volume 965, Issue 1, id.L4, 8 pp (2024)
Merging gas-rich galaxies that harbor low-luminosity twin quasars at z = 6.05: a promising progenitor of the most luminous quasars2405.02468v2 · Takuma Izumi, Yoshiki Matsuoka, Masafusa Onoue et al.2024 · 9 citationsarXiv
Cosmic Himalayas: The Highest Quasar Density Peak Identified in a 10,000 deg Sky with Spatial Discrepancies between Galaxies, Quasars, and IGM HI2404.15963v2 · Yongming Liang, Masami Ouchi, Dongsheng Sun et al.2024 · 2 citationsarXiv
Circumnuclear Multi-phase Gas in the Circinus Galaxy. VI. Detectability of Molecular Inflow and Atomic Outflow2403.10593v1 · Shunsuke Baba, Keiichi Wada, Takuma Izumi et al.2024 · 5 citationsarXiv
Deconvolution of JWST/MIRI Images: Applications to an AGN Model and GATOS Observations of NGC 57282312.14307v2 · M. T. Leist, C. Packham, D. J. V. Rosario et al.2023 · 0 citationsarXiv
Supermassive black hole feeding and feedback observed on subparsec scales.37917712 · Izumi, Takuma, Wada, Keiichi, Imanishi, Masatoshi et al.2023 · 31 citationsScience (New York, N.Y.). 2023;382(6670):554-559
The relationships between AGN power and molecular gas mass within 500 pc of the center of elliptical galaxies2310.03794v2 · Yutaka Fujita, Takuma Izumi, Hiroshi Nagai et al.2023 · 1 citationarXiv
BASS XXXIV: A Catalog of the Nuclear Mm-wave Continuum Emission Properties of AGNs Constrained on Scales 100--200 pc2309.02776v1 · Taiki Kawamuro, Claudio Ricci, Richard F. Mushotzky et al.2023 · 0 citationsarXiv
ALMA 0.5 kpc Resolution Spatially Resolved Investigations of Nuclear Dense Molecular Gas Properties in Nearby Ultraluminous Infrared Galaxies Based on HCN and HCO Three Transition Line Data2307.15179v1 · Masatoshi Imanishi, Shunsuke Baba, Kouichiro Nakanishi et al.2023 · 6 citationsarXiv
Molecular Abundance of the Circumnuclear Region Surrounding an Active Galactic Nucleus in NGC 1068 based on Imaging Line Survey in the 3-mm Band with ALMA2307.02320v1 · Taku Nakajima, Shuro Takano, Tomoka Tosaki et al.2023 · 0 citationsarXiv
Detection of stellar light from quasar host galaxies at redshifts above 6.37380029 · Ding, Xuheng, Onoue, Masafusa, Silverman, John D et al.2023 · 132 citationsNature. 2023;621(7977):51-55
Reconstruction of Cosmic Black Hole Growth and Mass Distribution from Quasar Luminosity Functions at : Implications for Faint and Low-mass Populations in JWST2306.06172v2 · Wenxiu Li, Kohei Inayoshi, Masafusa Onoue et al.2023 · 20 citationsarXiv
Quasar Luminosity Function at z = 72305.11225v1 · Yoshiki Matsuoka, Masafusa Onoue, Kazushi Iwasawa et al.2023 · 66 citationsarXiv
The correlation between the 500 pc scale molecular gas masses and AGN powers for massive elliptical galaxies2303.16927v2 · Yutaka Fujita, Takuma Izumi, Nozomu Kawakatu et al.2023 · 9 citationsarXiv
Dense Molecular Gas Properties of the Central Kpc of Nearby Ultraluminous Infrared Galaxies Constrained by ALMA Three Transition-line Observations2303.08178v1 · Masatoshi Imanishi, Shunsuke Baba, Kouichiro Nakanishi et al.2023 · 14 citationsarXiv
Massive molecular gas companions uncovered by VLA CO(1-0) observations of the = 5.2 radio galaxy TN J0924$-$22012301.02822v1 · Kianhong Lee, Kotaro Kohno, Bunyo Hatsukade et al.2023 · 6 citationsarXiv
H1821+643: The most X-ray and infrared luminous AGN in the Swift/BAT survey in the process of rapid stellar and supermassive black hole mass assembly2209.09255v1 · Hikaru Fukuchi, Kohei Ichikawa, Masayuki Akiyama et al.2022 · 3 citationsarXiv
A high angular resolution view of the PAH emission in Seyfert galaxies using JWST/MRS data2208.11620v2 · I. Garc'ia-Bernete, D. Rigopoulou, A. Alonso-Herrero et al.2022 · 78 citationsA&A 666, L5 (2022)
BASS XXXII: Studying the Nuclear Mm-wave Continuum Emission of AGNs with ALMA at Scales 100-200 pc2208.03880v2 · Taiki Kawamuro, Claudio Ricci, Masatoshi Imanishi et al.2022 · 57 citationsarXiv
AGN-driven Cold Gas Outflow of NGC 1068 Characterized by Dissociation-Sensitive Molecules2207.06448v1 · Toshiki Saito, Shuro Takano, Nanase Harada et al.2022 · 22 citationsarXiv
High-resolution ALMA study of CO (2-1) line and dust continuum emissions in cluster galaxies at z = 1.462205.05731v2 · Ryota Ikeda, Ken-ichi Tadaki, Daisuke Iono et al.2022 · 24 citationsarXiv
On the Connection between Supermassive Black Hole and Galaxy Growth in the Reionization Epoch2203.10663v2 · Junyao Li, John D. Silverman, Takuma Izumi et al.2022 · 21 citationsarXiv
APEX and NOEMA observations of HS in nearby luminous galaxies and the ULIRG Mrk~231 -- Is there a relation between dense gas properties and molecular outflows?2203.05851v1 · M. T.Sato, S. Aalto, K. Kohno et al.2022 · 8 citationsarXiv
The Kiloparsec-scale Neutral Atomic Carbon Outflow in the Nearby Type-2 Seyfert Galaxy NGC 1068: Evidence for Negative AGN Feedback2203.01355v1 · Toshiki Saito, Shuro Takano, Nanase Harada et al.2022 · 27 citationsarXiv
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