Masayuki Akiyama

Associate Professor

Tohoku University

Japan

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About

Masayuki Akiyama is an Associate Professor at Tohoku University in Japan. His research focuses on high-energy astrophysics, particularly the properties and evolution of galaxies and active galactic nuclei. Recent articles authored by Akiyama explore topics including X-ray properties of dust-obscured galaxies, the role of outflows in hyperluminous infrared galaxies, and implications for cosmic black hole growth. His work utilizes advanced observational techniques, including those from the JWST and eROSITA missions.

Articles (20)

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Collaborators (23)

Yousuke Utsumi

准教授/Associate Professor

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

JAPAN

Masayuki Akiyama

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Articles (20)

The X-ray statistical properties of dust-obscured galaxies detected by eROSITA

Nature of High Equivalent Width Emitters in the Epoch of Reionization Revealed by JWST Medium-band Imaging

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

J1406+0102: A Dust-obscured Galaxy Hiding a Super-Eddington Accretion System with Bright Radio Emission

XXL-HSC: Host properties of X-ray detected AGNs in XXL clusters

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

Ongoing and Fossil Large-scale Outflows Detected in a High-redshift Radio Galaxy: [C ii] Observations of TN J0924-2201 at z = 5.174

Reconstruction of Cosmic Black Hole Growth and Mass Distribution from Quasar Luminosity Functions at z > 4: Implications for Faint and Low-mass Populations in JWST

Katachi (形): Decoding the Imprints of Past Star Formation on Present-day Morphology in Galaxies with Interpretable CNNs*

Active galactic nucleus X-ray luminosity function and absorption function in the Early Universe (3 ≤ z ≤ 6)

Quasar Luminosity Function at z = 7

Subaru High-z Exploration of Low-luminosity Quasars (SHELLQs). XVI. 69 New Quasars at 5.8 &lt; z &lt; 7.0

The Obscured Fraction of Quasars at Cosmic Noon

H1821+643: The Most X-Ray and Infrared Luminous Active Galactic Nucleus (AGN) in the Swift/BAT Survey in the Process of Rapid Stellar and Supermassive Black Hole Mass Assembly

XXL-HSC: Link between AGN activity and star formation in the early Universe (z ⩾ 3.5)

Finding of a Population of Active Galactic Nuclei Showing a Significant Luminosity Decline in the Past ∼103–104 yr

Dissecting Nearby Galaxies with piXedfit. II. Spatially Resolved Scaling Relations among Stars, Dust, and Gas

On the Connection between Supermassive Black Holes and Galaxy Growth in the Reionization Epoch

Multiline Assessment of Narrow-line Regions in z ∼ 3 Radio Galaxies

Dissecting Nearby Galaxies with piXedfit. I. Spatially Resolved Properties of Stars, Dust, and Gas as Revealed by Panchromatic SED Fitting

Collaborators (23)

Yousuke Utsumi

Tsutomu Takeuchi

Yutaka Komiyama

Tadafumi Takata

Takuma Izumi

Melanie Habouzit

Takahiro Morishita

Hiroyuki Ikeda

Marcin Sawicki

Yoshiki Matsuoka

Bunyo Hatsukade

Takuya Hashimoto

Lamiya A. Mowla

Greg Bryan

John Silverman

Kazushi Iwasawa

Hideki Umehata

Hirofumi Noda

Tohru Nagao

Satoshi Kikuta

Masafusa Onoue

Michael Strauss

Masatoshi Imanishi

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Subaru High-z Exploration of Low-luminosity Quasars (SHELLQs). XVI. 69 New Quasars at 5.8 < z < 7.0