Masatoshi Imanishi

助教/Assistant Professor

自然科学研究機構国立天文台/National Astronomical Observatory of Japan

Japan

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About

Masatoshi Imanishi is an Assistant Professor at the National Astronomical Observatory of Japan. His research focuses on the study of galaxy groups and clusters, the origins of radio emissions in ultraluminous infrared galaxies, and dual quasars' molecular gas environments. He has recently published articles on topics including the implications of negative feedback in hyperluminous infrared galaxies and the discovery of extreme quasars. His work contributes significantly to the understanding of active galactic nuclei and cosmic chemistry.

Articles (20)

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2022

Collaborators (37)

Connor Bottrell

University in Western Australia

AUSTRALIA

Masatoshi Imanishi

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Articles (20)

Implication of Galaxy-scale Negative Feedback by One of the Most Powerful Multiphase Outflows in a Hyperluminous Infrared Galaxy at Intermediate Redshift

No Galaxy-scale [C ii] Fast Outflow in the z = 6.72 Red Quasar HSC J1205–0000

Subaru High-z Exploration of Low-luminosity Quasars (SHELLQs). XXI. Candidate Red Quasars at z ≥ 6 from Near-infrared Photometry

Origin of Radio Emission in Three Nearby Ultraluminous Infrared Galaxies with Signatures of Luminous Buried Active Galactic Nuclei

ALMA observations of dual quasars

JWST reveals cosmic ray dominated chemistry in the local ULIRG IRAS 07251−0248

The Galaxy Activity, Torus, and Outflow Survey (GATOS). VII. The 20–214 μm Imaging Atlas of Active Galactic Nuclei Using SOFIA

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

AGN feeding along a one-armed spiral in NGC 4593

Discovery of a hyperluminous quasar at z = 1.62 with Eddington ratio &gt;3 in the eFEDS field confirmed by KOOLS-IFU on Seimei Telescope

Molecular Abundance of the Circumnuclear Region Surrounding an Active Galactic Nucleus in NGC 1068 Based on an Imaging Line Survey in the 3 mm Band with ALMA

Hard X-Ray to Radio Multiwavelength SED Analysis of Local U/LIRGs in the GOALS Sample with a Self-consistent AGN Model including a Polar-dust Component

Quasar Luminosity Function at z = 7

UV and Lyα Halos of Lyα Emitters across Environments at z = 2.84*

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 Data

Dense Molecular Gas Properties of the Central Kiloparsec of Nearby Ultraluminous Infrared Galaxies Constrained by ALMA Three Transition-line Observations

Resurrection of Type IIL Supernova 2018ivc: Implications for a Binary Evolution Sequence Connecting Hydrogen-rich and Hydrogen-poor Progenitors

Massive Molecular Gas Companions Uncovered by Very Large Array CO(1–0) Observations of the z = 5.2 Radio Galaxy TN J0924−2201

ALMA Observations of CO Emission from Luminous Lyman-break Galaxies at z = 6.0293–6.2037

BASS XXXII: Studying the Nuclear Millimeter-wave Continuum Emission of AGNs with ALMA at Scales ≲100–200 pc

Collaborators (37)

Connor Bottrell

Atsushi Tanimoto

CHIN-SHIN CHANG

Tomoka Tosaki

Fumi Egusa

Yuma Sugahara

Yutaka Komiyama

Takuma Izumi

Hiroyuki Ikeda

Takayuki Hayashi

Nanase Harada

Zheng Zheng

Shunsuke Baba

Khashayar Kianfar

Yoshiki Matsuoka

Bunyo Hatsukade

Masayuki Akiyama

Takuya Hashimoto

Luigi Spinoglio

Christopher Packham

Renyue Cen

Giovanna Speranza

Tomonari Michiyama

RHYTHM SHIMAKAWA

Nobunari Kashikawa

John Silverman

Richard Mushotzky

Hideki Umehata

Keiichi Maeda

Shuro Takano

Hirofumi Noda

Tohru Nagao

Satoshi Kikuta

Yoichi Tamura

Akio Taniguchi

Yoshiaki Hagiwara

Michael Strauss

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

Discovery of a hyperluminous quasar at z = 1.62 with Eddington ratio >3 in the eFEDS field confirmed by KOOLS-IFU on Seimei Telescope