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Masafusa Onoue

Waseda University

32H-index
165Paper Count
4.2KCitation Count
Published Papers 95
Publication Date
Extended components of little red dots in the rest-frame optical
err2026-08-24
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PREAI
errYiyang Zhang; Xuheng Ding; Lilan Yang; Erini Lambrides; Hollis Akins; Andrew J. Battisti; Caitlin M. Casey; Chang-hao Chen; Isa Cox; Andreas Faisst; Maximilien Franco; Aryana Haghjoo; Luis C. Ho; Kohei Inayoshi; Shuowen Jin; Mitchell Karmen; Anton M. Koekemoer; Jeyhan S. Kartaltepe; Kai Liao; Ghassem Gozaliasl; Masafusa Onoue; Vasily Kokorev; Namrata Roy; R. Michael Rich; John D. Silverman; Takumi S. Tanaka; Bei You; Hassen M. Yesuf; Jorge A. Zavala
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A z ≃ 0.4 Galaxy Reflecting the High-redshift Little Red Dots: An Extended Starburst with an Overmassive Black Hole
err2026-02-23
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errXiaoyang Chen; Kohei Ichikawa; Masayuki Akiyama; Kohei Inayoshi; Akio K. Inoue; Masafusa Onoue; Yoshiki Toba; Jorge Zavala; Tom Bakx; Toshihiro Kawaguchi; Kianhong Lee; Naoki Matsumoto; Bovornpratch Vijarnwannaluk
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Erratum: “SHELLQs. Bridging the Gap: JWST Unveils Obscured Quasars in the Most Luminous Galaxies at z > 6” (2025; ApJ; 988; 57)
err2025-12-31
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errYoshiki Matsuoka; Masafusa Onoue; Kazushi Iwasawa; Kentaro Aoki; Michael A. Strauss; John D. Silverman; Xuheng Ding; Camryn L. Phillips; Masayuki Akiyama; Junya Arita; Masatoshi Imanishi; Takuma Izumi; Nobunari Kashikawa; Toshihiro Kawaguchi; Satoshi Kikuta; Kotaro Kohno; Chien-Hsiu Lee; Tohru Nagao; Ayumi Takahashi; Yoshiki Toba
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SHELLQs–JWST Perspective on the Intrinsic Mass Relation between Supermassive Black Holes and Their Host Galaxies at z > 6
err2025-12-17
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errJohn David Silverman; Junyao Li; Xuheng Ding; Masafusa Onoue; Michael A. Strauss; Yoshiki Matsuoka; Takuma Izumi; Knud Jahnke; Tommaso Treu; Marta Volonteri; Camryn L. Phillips; Irham T. Andika; Kentaro Aoki; Junya Arita; Shunsuke Baba; Sarah E. I. Bosman; Anna-Christina Eilers; Xiaohui Fan; Seiji Fujimoto; Melanie Habouzit; Zoltan Haiman; Masatoshi Imanishi; Kohei Inayoshi; Kazushi Iwasawa; Nobunari Kashikawa; Toshihiro Kawaguchi; Chien-Hsiu Lee; Alessandro Lupi; Tohru Nagao; Jan-Torge Schindler; Malte Schramm; Kazuhiro Shimasaku; Yoshiki Toba; Benny Trakhtenbrot; Hideki Umehata; Marianne Vestergaard; Fabian Walter; Feige Wang; Jinyi Yang
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Discovery of a Little Red Dot Candidate at z ≳ 10 in COSMOS-web Based on MIRI-NIRCam Selection
err2025-12-02
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errTakumi S. Tanaka; Hollis B. Akins; Yuichi Harikane; John D. Silverman; Caitlin M. Casey; Kohei Inayoshi; Jan-Torge Schindler; Kazuhiro Shimasaku; Dale D. Kocevski; Masafusa Onoue; Andreas L. Faisst; Brant E. Robertson; Vasily Kokorev; Marko Shuntov; Anton M. Koekemoer; Maximilien Franco; Eiichi Egami; Daizhong Liu; Anthony J. Taylor; Jeyhan S. Kartaltepe; Sarah E. I. Bosman; Jaclyn B. Champagne; Koki Kakiichi; Santosh Harish; Zijian Zhang; Sophie L. Newman; Darshan Kakkad; Qinyue Fei; Seiji Fujimoto; Mingyu Li; Steven L. Finkelstein; Zi-Jian Li; Erini Lambrides; Laura Sommovigo; Jorge A. Zavala; Kei Ito; Zhaoxuan Liu; Ezequiel Treister; Manuel Aravena; Ghassem Gozaliasl; Haowen Zhang; Hossein Hatamnia; Hiroya Umeda; Akio K. Inoue; Jinyi Yang; Makoto Ando; Junya Arita; Xuheng Ding; Suin Matsui; Yuki Shibanuma; Georgios Magdis; Mingyang Zhuang; Xiaohui Fan; Zihao Li; Weizhe Liu; Jianwei Lyu; Jason Rhodes; Sune Toft; Feige Wang; Siwei Zou; Rafael C. Arango-Toro; Andrew J. Battisti; Steven Gillman; Ali Ahmad Khostovan; Arianna S. Long; Bahram Mobasher; David B. Sanders
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UNIONS Optical Identifications for VLASS Radio Sources in the Euclid Sky (UNVEIL). I. A Catalog of ∼146; 000 Radio Galaxies up to z ∼ 5
err2025-11-06
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errYuxing Zhong; Kohei Ichikawa; Hendrik Hildebrandt; Stephen Gwyn; Akio K. Inoue; Masafusa Onoue; Masatoshi Imanishi; Taketo Yoshida; Martin Kilbinger; Thomas de Boer; Gregory S. H. Paek; Yoshiki Matsuoka; Tohru Nagao; Yoshiki Toba
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SHELLQs-JWST Unveils the Host Galaxies of 12 Quasars at z > 6
err2025-10-28
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errXuheng Ding; Masafusa Onoue; John D. Silverman; Yoshiki Matsuoka; Takuma Izumi; Michael A. Strauss; Lilan Yang; Knud Jahnke; Camryn L. Phillips; Tommaso Treu; Irham T. Andika; Kentaro Aoki; Junya Arita; Shunsuke Baba; Sarah E. I. Bosman; Anna-Christina Eilers; Seiji Fujimoto; Zoltan Haiman; Masatoshi Imanishi; Kohei Inayoshi; Kazushi Iwasawa; Jeyhan Kartaltepe; Nobunari Kashikawa; Toshihiro Kawaguchi; Junyao Li; Chien-Hsiu Lee; Alessandro Lupi; Jan-Torge Schindler; Malte Schramm; Kazuhiro Shimasaku; Marko Shuntov; Takumi S. Tanaka; Yoshiki Toba; Benny Trakhtenbrot; Hideki Umehata; Marianne Vestergaard; Feige Wang; Jinyi Yang
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Subaru High-z Exploration of Low-luminosity Quasars (SHELLQs). XXIV. 54 New Quasars and Candidate Obscured Quasars at 5.71 ≤ z ≤ 7.02
err2025-10-06
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errYoshiki Matsuoka; Kazushi Iwasawa; Masafusa Onoue; Takuma Izumi; Michael A. Strauss; Masayuki Akiyama; Kentaro Aoki; Junya Arita; Xuheng Ding; Masatoshi Imanishi; Nobunari Kashikawa; Toshihiro Kawaguchi; Satoshi Kikuta; Kotaro Kohno; Chien-Hsiu Lee; Tohru Nagao; Camryn L. Phillips; Mahoshi Sawamura; John D. Silverman; Ayumi Takahashi; Yoshiki Toba
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A Search for z = 5 Hα and Hβ + [O iii] Dual-line Emitting Galaxies in the JWST CEERS Field: Implications for the Active Galactic Nucleus Abundance
err2025-09-17
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errJingsong Guo; Masafusa Onoue; Kohei Inayoshi; Dale D. Kocevski; Steven L. Finkelstein; Micaela B. Bagley; Elizabeth J. McGrath
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COSMOS-web: The Overabundance and Physical Nature of “Little Red Dots”—Implications for Early Galaxy and SMBH Assembly
err2025-09-12
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errHollis B. Akins; Caitlin M. Casey; Erini Lambrides; Natalie Allen; Irham T. Andika; Malte Brinch; Jaclyn B. Champagne; Olivia Cooper; Xuheng Ding; Nicole E. Drakos; Andreas Faisst; Steven L. Finkelstein; Maximilien Franco; Seiji Fujimoto; Fabrizio Gentile; Steven Gillman; Ghassem Gozaliasl; Santosh Harish; Christopher C. Hayward; Michaela Hirschmann; Olivier Ilbert; Jeyhan S. Kartaltepe; Dale D. Kocevski; Anton M. Koekemoer; Vasily Kokorev; Daizhong Liu; Arianna S. Long; Henry Joy McCracken; Jed McKinney; Masafusa Onoue; Louise Paquereau; Alvio Renzini; Jason Rhodes; Brant E. Robertson; Marko Shuntov; John D. Silverman; Takumi S. Tanaka; Sune Toft; Benny Trakhtenbrot; Francesco Valentino; Jorge Zavala
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A post-starburst pathway for the formation of massive galaxies and black holes at z > 6
err2025-08-11
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PREAI
errMasafusa Onoue; Xuheng Ding; John D. Silverman; Yoshiki Matsuoka; Takuma Izumi; Michael A. Strauss; Charlotte Ward; Camryn L. Phillips; Kei Ito; Irham T. Andika; Kentaro Aoki; Junya Arita; Shunsuke Baba; Rebekka Bieri; Sarah E. I. Bosman; Anna-Christina Eilers; Seiji Fujimoto; Melanie Habouzit; Zoltan Haiman; Masatoshi Imanishi; Kohei Inayoshi; Kazushi Iwasawa; Knud Jahnke; Nobunari Kashikawa; Toshihiro Kawaguchi; Kotaro Kohno; Chien-Hsiu Lee; Junyao Li; Alessandro Lupi; Jianwei Lyu; Tohru Nagao; Roderik Overzier; Jan-Torge Schindler; Malte Schramm; Matthew T. Scoggins; Kazuhiro Shimasaku; Yoshiki Toba; Benny Trakhtenbrot; Maxime Trebitsch; Tommaso Treu; Hideki Umehata; Bram Venemans; Marianne Vestergaard; Marta Volonteri; Fabian Walter; Feige Wang; Jinyi Yang; Haowen Zhang
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<i>Euclid</i>: the potential of slitless infrared spectroscopy: a <i>z</i> = 5.4 quasar and new ultracool dwarfs
err2025-08-04
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errE Bañados; V Le Brun; S Belladitta; I Momcheva; D Stern; J Wolf; M Ezziati; D J Mortlock; A Humphrey; R L Smart; S L Casewell; A Pérez-Garrido; B Goldman; E L Martín; A Mohandasan; C Reylé; C Dominguez-Tagle; Y Copin; E Lusso; Y Matsuoka; K McCarthy; F Ricci; H-W Rix; H J A Rottgering; J-T Schindler; J R Weaver; A Allaoui; T Bedrine; M Castellano; P-Y Chabaud; G Daste; F Dufresne; J Gracia-Carpio; M Kümmel; M Moresco; M Scodeggio; C Surace; D Vibert; A Balestra; A Bonnefoi; A Caillat; F Cogato; A Costille; S Dusini; S Ferriol; E Franceschi; W Gillard; K Jahnke; D Le Mignant; S Ligori; E Medinaceli; G Morgante; F Passalacqua; K Paterson; S Pires; C Sirignano; I T Andika; H Atek; D Barrado; S Bisogni; C J Conselice; H Dannerbauer; R Decarli; H Dole; T Dupuy; A Feltre; S Fotopoulou; B Gillis; X Lopez Lopez; M Onoue; G Rodighiero; N Sedighi; F Shankar; M Siudek; L Spinoglio; D Vergani; G Vietri; F Walter; G Zamorani; M R Zapatero Osorio; J-Y Zhang; M Bethermin; N Aghanim; B Altieri; A Amara; S Andreon; C Baccigalupi; M Baldi; S Bardelli; A Basset; P Battaglia; A Biviano; A Bonchi; D Bonino; E Branchini; M Brescia; J Brinchmann; S Camera; V Capobianco; C Carbone; J Carretero; S Casas; G Castignani; S Cavuoti; A Cimatti; C Colodro-Conde; G Congedo; L Conversi; F Courbin; H M Courtois; M Cropper; J-G Cuby; A Da Silva; H Degaudenzi; G De Lucia; A M Di Giorgio; C Dolding; F Dubath; C A J Duncan; X Dupac; A Ealet; M Farina; F Faustini; N Fourmanoit; M Frailis; S Galeotta; K George; C Giocoli; B R Granett; A Grazian; F Grupp; L Guzzo; S V H Haugan; J Hoar; H Hoekstra; W Holmes; I Hook; F Hormuth; A Hornstrup; P Hudelot; M Jhabvala; B Joachimi; E Keihänen; S Kermiche; B Kubik; K Kuijken; M Kunz; H Kurki-Suonio; P B Lilje; V Lindholm; I Lloro; G Mainetti; D Maino; E Maiorano; O Mansutti; O Marggraf; K Markovic; M Martinelli; N Martinet; F Marulli; R Massey; S Mei; Y Mellier; M Meneghetti; E Merlin; G Meylan; A Mora; L Moscardini; C Neissner; S-M Niemi; J W Nightingale; C Padilla; S Paltani; F Pasian; K Pedersen; W J Percival; V Pettorino; G Polenta; M Poncet; L A Popa; L Pozzetti; F Raison; R Rebolo; A Renzi; J Rhodes; G Riccio; E Romelli; M Roncarelli; E Rossetti; R Saglia; Z Sakr; D Sapone; B Sartoris; J A Schewtschenko; M Schirmer; P Schneider; T Schrabback; A Secroun; E Sefusatti; G Seidel; M Seiffert; S Serrano; G Sirri; L Stanco; J Steinwagner; P Tallada-Crespí; A N Taylor; H I Teplitz; I Tereno; S Toft; R Toledo-Moreo; F Torradeflot; I Tutusaus; L Valenziano; J Valiviita; T Vassallo; G Verdoes Kleijn; A Veropalumbo; Y Wang; J Weller; F M Zerbi; E Zucca; M Bolzonella; C Burigana; R Cabanac; L Gabarra; V Scottez; M Viel; D Scott
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ALMA observations of dual quasars: evidence of rich and diverse molecular gas environments
err2025-04-01
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errTang, Shenli; Silverman, John D.; Liu, Zhaoxuan; Banerji, Manda; Suzuki, Tomoko; Fujimoto, Seiji; Goulding, Andy; Imanishi, Masatoshi; Kawaguchi, Toshihiro; Bottrell, Connor; Hartwig, Tilman; Jahnke, Knud; Onoue, Masafusa; Schramm, Malte; Ueda, Yoshihiro
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Black hole mass of a quiescent galaxy hosting a Type 1 AGN at z=2.09: implications for black hole-galaxy coevolution and AGN quenching at high redshift
err2025-03-18
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errIto, Kei; Tanaka, Takumi S.; Shimasaku, Kazuhiro; Ando, Makoto; Onoue, Masafusa; Tanaka, Masayuki; Matsui, Suin; Kakimoto, Takumi; Valentino, Francesco
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Tip of the Iceberg: Overmassive Black Holes at 4 < z < 7 Found by JWST Are Not Inconsistent with the Local MBH-M☆ Relation
err2025-02-21
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errLi, Junyao; Silverman, John D.; Shen, Yue; Volonteri, Marta; Jahnke, Knud; Zhuang, Ming-Yang; Scoggins, Matthew T.; Ding, Xuheng; Harikane, Yuichi; Onoue, Masafusa; Tanaka, Takumi S.
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The host galaxies of radio-loud quasars at z > 5 with ALMA
err2025-02-11
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PREAI
errMazzucchelli, C.; Decarli, R.; Belladitta, S.; Banados, E.; Meyer, R. A.; Connor, T.; Momjian, E.; Rojas-Ruiz, S.; Eilers, A. -C; Khusanova, Y.; Farina, E. P.; Drake, A. B.; Walter, F.; Wang, F.; Onoue, M.; Venemans, B. P.
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No Galaxy-scale [C ii] Fast Outflow in the z =6.72 Red Quasar HSC J1205-0000
err2025-02-07
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errSawamura, Mahoshi; Izumi, Takuma; Nakanishi, Kouichiro; Okuda, Takeshi; Strauss, Michael A.; Imanishi, Masatoshi; Matsuoka, Yoshiki; Toba, Yoshiki; Umehata, Hideki; Hashimoto, Takuya; Baba, Shunsuke; Goto, Tomotsugu; Kawaguchi, Toshihiro; Kohno, Kotaro; Salak, Dragan; Kawamuro, Taiki; Iwasawa, Kazushi; Onoue, Masafusa; Lee, Chien-Hsiu; Lee, Kianhong
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The nature of low-luminosity AGNs discovered by JWST based on clustering analysis: progenitors of low-z quasars?
err2024-12-16
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errArita, Junya; Kashikawa, Nobunari; Onoue, Masafusa; Yoshioka, Takehiro; Takeda, Yoshihiro; Hoshi, Hiroki; Shimizu, Shunta
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No Redshift Evolution in the Fe ii/Mg ii Flux Ratios of Quasars across Cosmic Time
err2024-11-05
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errJiang, Danyang; Onoue, Masafusa; Jiang, Linhua; Lai, Samuel; Banados, Eduardo; Becker, George D.; Bischetti, Manuela; Bosman, Sarah E. I.; Davies, Rebecca L.; D'Odorico, Valentina; Farina, Emanuele Paolo; Haehnelt, Martin G.; Mazzucchelli, Chiara; Schindler, Jan-Torge; Walter, Fabian; Zhu, Yongda
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A SPectroscopic Survey of Biased Halos In the Reionization Era (ASPIRE): Broad-line AGN at z=4-5 Revealed by JWST/NIRCam WFSS
err2024-10-09
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errLin, Xiaojing; Wang, Feige; Fan, Xiaohui; Cai, Zheng; Champagne, Jaclyn B.; Sun, Fengwu; Volonteri, Marta; Yang, Jinyi; Hennawi, Joseph F.; Banados, Eduardo; Barth, Aaron; Eilers, Anna-Christina; Farina, Emanuele Paolo; Liu, Weizhe; Jin, Xiangyu; Jun, Hyunsung D.; Lupi, Alessandro; Kakiichi, Koki; Mazzucchelli, Chiara; Onoue, Masafusa; Pan, Zhiwei; Pizzati, Elia; Rojas-Ruiz, Sofia; Schindler, Jan-Torge; Trakhtenbrot, Benny; Shen, Yue; Trebitsch, Maxime; Zhuang, Ming-Yang; Endsley, Ryan; Meyer, Romain A.; Li, Zihao; Li, Mingyu; Pudoka, Maria; Tee, Wei Leong; Wu, Yunjing; Zhang, Haowen
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