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Masafusa Onoue

0000-0003-2984-6803
astro-ph.GAastro-ph.COastro-ph.HEastro-ph.IMastro-ph.SRastro-ph.EPcs.CVcs.LG

On Valency

published · living versions
W_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

123 papers in the corpus · 2013–2026
Probing Spatial Variations in IGM Transmission: Higher Lyα\alpha Visibility in an Hα\alpha-Selected Galaxy Overdensity at z≃6.2z\simeq6.22609.35221v1 · Shunta Shimizu, Nobunari Kashikawa, Junya Arita et al.2026 · 0 citationsarXiv
CHAMPS: The COSMOS High-Redshift ALMA-MIRI Population Survey - A New Census of the Dusty Early Universe2609.35992v1 · Andreas L. Faisst, Felix Martinez III, Jeyhan S. Kartaltepe et al.2026 · 0 citationsarXiv
A tidal disruption event in a quasar at redshift 7.192609.30441v1 · S. Fujimoto, Q. Fei, G. B. Brammer et al.2026 · 0 citationsarXiv
The Roman eXtreme Deep Field (RXDF)2609.08145v1 · Haojing Yan, Anton M. Koekemoer, Yue Shen et al.2026 · 0 citationsarXiv
SHELLQs. 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
Between Little Red Dots and Star-Forming Galaxies: A Sequence in the Optical Continuum Slope2609.07025v1 · Kristiphong Boonmee, Akio K. Inoue, Masafusa Onoue et al.2026 · 0 citationsarXiv
Skyfire: A Spectroscopic Census of Little Red Dots and Broad-Line AGN in the CEERS Field2609.00112v1 · Dale D. Kocevski, Anthony J. Taylor, Masafusa Onoue et al.2026 · 0 citationsarXiv
Discovery of four Narrow-line Type-1 Quasars at z = 2.54 -- 6.06 with Subaru 'Onohi'ula PFS-SSP2608.10074v1 · Ayumi Takahashi, Yoshiki Matsuoka, Yoshiki Toba et al.2026 · 0 citationsarXiv
Euclid: A UV-faint quasar in a highly luminous star-forming host galaxy at z≈7.7z \approx 7.72607.03430v1 · S. Belladitta, R. Decarli, E. Banados et al.2026 · 0 citationsarXiv
Euclid: Discovery of 31 new quasars at 6.6<z<7.86.6 < z < 7.82607.03432v1 · D. Yang, J. F. Hennawi, F. Guarneri et al.2026 · 2 citationsA&A, 711, A104 (2026)
A z∼z \sim 6.2 Quasar on the Local MBH_{\rm BH}-σ∗\sigma_{\rm \ast} Relation Quenching Its Host Galaxy from the Aether Survey2606.03037v1 · Weizhe Liu, Emanuele Paolo Farina, Xiaohui Fan et al.2026 · 1 citationarXiv
Spectroscopic confirmation of dual and offset quasars from the Subaru HSC-SSP program2604.06059v1 · Shenli Tang, John Silverman, Xavier Prochaska et al.2026 · 0 citationsarXiv
Blackbody Quasar and Radio Source (BBQSORS): A Candidate of Transitional Little Red Dots with a T∼104 KT\sim10^4\ K Blackbody Spectrum2603.13736v2 · Yuxing Zhong, Xiaoyang Chen, Kohei Ichikawa et al.2026 · 0 citationsarXiv
Subaru High-zz Exploration of Low-Luminosity Quasars (SHELLQs). XXV. Large-scale environments of low-luminosity quasars at z∼6z\sim6 traced by Lyα\alpha emitters2602.11736v2 · Junya Arita, Nobunari Kashikawa, Yoshiki Matsuoka et al.2026 · 0 citationsarXiv
Direct pathway to the Early Supermassive Black Holes: A Red Super-Eddington Quasar in a Massive Starburst Host at z=7.2z=7.22602.12325v2 · Qinyue Fei, Seiji Fujimoto, Gabriel Brammer et al.2026 · 0 citationsarXiv
ASPIRE: The Environments and Dark Matter Halos of Luminous Quasars in the Epoch of Reionization2602.04979v2 · Feige Wang, Jaclyn B. Champagne, Jiamu Huang et al.2026 · 3 citationsarXiv
JWST observes the assembly of a massive galaxy at z~42511.13650v3 · Aayush Saxena, Roderik A. Overzier, Catarina Aydar et al.2025 · 0 citationsarXiv
Extended Components of Little Red Dots in the Rest-Frame Optical2510.25830v2 · Yiyang Zhang, Xuheng Ding, Lilan Yang et al.2025 · 3 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
Extremely UV-bright starbursts at the end of cosmic reionization2510.12411v2 · R. Marques-Chaves, D. Schaerer, M. Dessauges-Zavadsky et al.2025 · 1 citationarXiv
The MBH−M∗M_{\rm BH}-M_{*} Relationship at 3<z<73<z<7: Big Black Holes in Little Red Dots2510.07376v1 · Brenda L. Jones, Dale D. Kocevski, Fabio Pacucci et al.2025 · 2 citationsarXiv
A z ~ 0.4 Galaxy Reflecting the high-redshift Little Red Dots: An Extended Starburst with an Overmassive Black Hole2510.02801v2 · Xiaoyang Chen, Kohei Ichikawa, Masayuki Akiyama et al.2025 · 5 citationsarXiv
Subaru High-z Exploration of Low-Luminosity Quasars (SHELLQs). XXIV. 54 New Quasars and Candidate Obscured Quasars at 5.71≤z≤7.025.71 \le z \le 7.022508.21229v2 · Yoshiki Matsuoka, Kazushi Iwasawa, Masafusa Onoue et al.2025 · 0 citationsApJS 280, 68 (2025)
Discovery of a Little Red Dot candidate at z≳10z\gtrsim10 in COSMOS-Web based on MIRI-NIRCam selection2508.00057v2 · Takumi S. Tanaka, Hollis B. Akins, Yuichi Harikane et al.2025 · 1 citationarXiv
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
UNIONS Optical Identifications for VLASS Radio Sources in the Euclid Sky (UNVEIL) I. A Catalog of ~146,000 Radio Galaxies up to z~52507.08604v2 · Yuxing Zhong, Kohei Ichikawa, Hendrik Hildebrandt et al.2025 · 4 citationsarXiv
Discovery and characterization of 25 new quasars at 4.6 < z < 6.9 from wide-field multi-band surveys2505.15923v1 · Silvia Belladitta, Eduardo Banados, Zhang-Liang Xie et al.2025 · 12 citationsA&A 699, A335 (2025)
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
UNIONS: The Ultraviolet Near-Infrared Optical Northern Survey2503.13783v1 · Stephen Gwyn, Alan W. McConnachie, Jean-Charles Cuillandre et al.2025 · 24 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
Hidden in Pixels. I. Discovery of dual "little red dots" indicates excess clustering on kilo-parsec scales2412.14246v3 · Takumi S. Tanaka, John D. Silverman, Kazuhiro Shimasaku et al.2024 · 4 citationsarXiv
The host galaxies of radio-loud quasars at z>5 with ALMA2411.11952v1 · C. Mazzucchelli, R. Decarli, S. Belladitta et al.2024 · 8 citationsA&A 694, A171 (2025)
The nature of low-luminosity AGNs discovered by JWST based on clustering analysis: progenitors of low-zz quasars?2410.08707v2 · Junya Arita, Nobunari Kashikawa, Masafusa Onoue et al.2024 · 20 citationsarXiv
Crimson Behemoth: a Massive Clumpy Structure Hosting a Dusty AGN at z=4.91z=4.912410.00104v1 · Takumi S. Tanaka, John D. Silverman, Yurina Nakazato et al.2024 · 7 citationsarXiv
A Search for z=5z=5 Hα\alpha and Hβ+\beta+[O III] Dual-Line Emitting Galaxies in the JWST CEERS Field: Implications for the AGN Abundance2409.19205v1 · Jingsong Guo, Masafusa Onoue, Kohei Inayoshi et al.2024 · 1 citationarXiv
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
No Redshift Evolution in the Fe II/Mg II Flux Ratios of Quasars across Cosmic Time2409.06174v1 · Danyang Jiang, Masafusa Onoue, Linhua Jiang et al.2024 · 8 citationsarXiv
Broad-Line AGN at 3.5<z<6: The Black Hole Mass Function and a Connection with Little Red Dots2409.06772v2 · Anthony J. Taylor, Steven L. Finkelstein, Dale D. Kocevski et al.2024 · 10 citationsarXiv
Black hole mass of a quiescent galaxy hosting a Type 1 AGN at z=2.09: Implications for black hole - galaxy co-evolution and AGN quenching at high redshift2408.08492v2 · Kei Ito, Takumi S. Tanaka, Kazuhiro Shimasaku et al.2024 · 5 citationsMNRAS, 538, 1501 (2025)
A SPectroscopic survey of biased halos In the Reionization Era (ASPIRE): Broad-line AGN at z=4−5z=4-5 revealed by JWST/NIRCam WFSS2407.17570v1 · Xiaojing Lin, Feige Wang, Xiaohui Fan et al.2024 · 58 citationsarXiv
Rich and diverse molecular gas environments of closely-separated dual quasars viewed by ALMA2407.09399v1 · Shenli Tang, John D. Silverman, Zhaoxuan Liu et al.2024 · 0 citationsarXiv
COSMOS-Web: The over-abundance and physical nature of "little red dots"--Implications for early galaxy and SMBH assembly2406.10341v1 · Hollis B. Akins, Caitlin M. Casey, Erini Lambrides et al.2024 · 144 citationsarXiv
Optical and near-infrared spectroscopy of quasars at z>6.5z>6.5: public data release and composite spectrum2406.07612v3 · Silvia Onorato, Joseph F. Hennawi, Jan-Torge Schindler et al.2024 · 7 citationsarXiv
A quasar-galaxy merger at z∼6.2z\sim 6.2: rapid host growth via accretion of two massive satellite galaxies2406.06697v1 · Roberto Decarli, Federica Loiacono, Emanuele Paolo Farina et al.2024 · 29 citationsA&A 689, A219 (2024)
Euclid. I. Overview of the Euclid mission2405.13491v2 · Y. Mellier, Abdurro'uf, J. A. Acevedo Barroso et al.2024 · 622 citationsA&A 697, A1 (2025)
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 deg2^2 Sky with Spatial Discrepancies between Galaxies, Quasars, and IGM HI2404.15963v2 · Yongming Liang, Masami Ouchi, Dongsheng Sun et al.2024 · 2 citationsarXiv
Career total: 190 works. 123 are in this corpus.Showing the 50 most recent.

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