Articles by Masafusa Onoue

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Masafusa Onoue

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Discovery of dual "little red dots" indicates excess clustering on kilo-parsec scales

18 December 2024 by Takumi Tanaka and others

Astrophysics of Galaxies

The nature of low-luminosity AGNs discovered by JWST based on clustering analysis: progenitors of low-z quasars?

12 December 2024 by Junya Arita and others

Astrophysics of Galaxies

Crimson Behemoth: a Massive Clumpy Structure Hosting a Dusty AGN at z=4.91

30 September 2024 by Takumi Tanaka and others

Astrophysics of Galaxies

Crimson Behemoth: a Massive Clumpy Structure Hosting a Dusty AGN at z=4.91

30 September 2024 by Takumi Tanaka and others

Astrophysics of Galaxies

Crimson Behemoth: a Massive Clumpy Structure Hosting a Dusty AGN at z=4.91

30 September 2024 by Takumi Tanaka and others

Astrophysics of Galaxies

A Search for z=5 Hα and Hβ+[O III] Dual-Line Emitting Galaxies in the JWST CEERS Field: Implications for the AGN Abundance

28 September 2024 by Jingsong Guo and others

Astrophysics of Galaxies

Exploring Low-Mass Black Holes through Tidal Disruption Events in the Early Universe: Perspectives in the Era of JWST, RST, and LSST Surveys

12 September 2024 by Kohei Inayoshi and others at

ASTRON

Astrophysics of Galaxies

A Post-Starburst Pathway to Forming Massive Galaxies and Their Black Holes at z>6

11 September 2024 by Masafusa Onoue and others

Astrophysics of Galaxies, Cosmology and Nongalactic Astrophysics

Broad-Line AGN at 3.5<z<6: The Black Hole Mass Function and a Connection with Little Red Dots

10 September 2024 by Anthony Taylor and others

Astrophysics of Galaxies

No Redshift Evolution in the Fe II/Mg II Flux Ratios of Quasars across Cosmic Time

10 September 2024 by Danyang Jiang and others

Astrophysics of Galaxies

The M_{\rm BH}-M_* relation up to z\sim2 through decomposition of COSMOS-Web NIRCam images

9 September 2024 by Takumi Tanaka and others

Astrophysics of Galaxies

Merging gas-rich galaxies that harbor low-luminosity twin quasars at z = 6.05: a promising progenitor of the most luminous quasars

22 August 2024 by Takuma Izumi and others

Astrophysics of Galaxies

An X-ray-Detected Quiescent Galaxy at z=2.09: Implications for the Connection between AGNs and Galaxy Quenching at High Redshift

16 August 2024 by Kei Ito and others

Astrophysics of Galaxies

A SPectroscopic survey of biased halos In the Reionization Era (ASPIRE): Broad-line AGN at z=4-5 revealed by JWST/NIRCam WFSS

24 July 2024 by Xiaojing Lin and others

Astrophysics of Galaxies, Cosmology and Nongalactic Astrophysics

Rich and diverse molecular gas environments of closely-separated dual quasars viewed by ALMA

12 July 2024 by Shenli Tang and others

Astrophysics of Galaxies

COSMOS-Web: The over-abundance and physical nature of "little red dots"--Implications for early galaxy and SMBH assembly

14 June 2024 by Hollis Akins and others

Astrophysics of Galaxies

Optical and near-infrared spectroscopy of quasars at z>6.5: public data release and composite spectrum

11 June 2024 by Silvia Onorato and others

Astrophysics of Galaxies, Cosmology and Nongalactic Astrophysics

A quasar-galaxy merger at z\sim 6.2: rapid host growth via accretion of two massive satellite galaxies

10 June 2024 by Roberto Decarli and others

Astrophysics of Galaxies

Discovery of merging twin quasars at z = 6.05

3 May 2024 by Yoshiki Matsuoka and others

Astrophysics of Galaxies

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

30 April 2024 by Wenxiu Li and others

Astrophysics of Galaxies

Cosmic Himalayas: The Highest Quasar Density Peak Identified in a 10,000 deg^2 Sky with Spatial Discrepancies between Galaxies, Quasars, and IGM HI

24 April 2024 by Yongming Liang and others

Astrophysics of Galaxies, Cosmology and Nongalactic Astrophysics

Tip of the iceberg: overmassive black holes at 4<z<7 found by JWST are not inconsistent with the local \mathcal{M}_{\rm BH}-\mathcal{M}_\star relation

29 February 2024 by Junyao Li and others

Astrophysics of Galaxies

Tracing the rise of supermassive black holes: A panchromatic search for faint, unobscured quasars at z > 6 with COSMOS-Web and other surveys

2 February 2024 by Irham Andika and others at

ASTRON

Astrophysics of Galaxies, Cosmology and Nongalactic Astrophysics

Widespread AGN feedback in a forming brightest cluster galaxy at z=4.1 unveiled by JWST

22 January 2024 by Aayush Saxena and others

Astrophysics of Galaxies

JWST Reveals Powerful Feedback from Radio Jets in a Massive Galaxy at z = 4.1

21 January 2024 by Namrata Roy and others

Astrophysics of Galaxies, High Energy Astrophysical Phenomena

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