Takuma Izumi, Yoshiki Matsuoka, Masafusa Onoue, Michael A. Strauss, Hideki Umehata, John D. Silverman, Tohru Nagao, Masatoshi Imanishi, Kotaro Kohno, Yoshiki Toba, et al. Merging Gas-rich Galaxies That Harbor Low-luminosity Twin Quasars at z = 6.05: A Promising Progenitor of the Most Luminous Quasars. Astrophysical Journal. 2024. 972. 1
Kianhong Lee, Masayuki Akiyama, Kotaro Kohno, Daisuke Iono, Masatoshi Imanishi, Bunyo Hatsukade, Hideki Umehata, Tohru Nagao, Yoshiki Toba, Xiaoyang Chen, et al. Ongoing and Fossil Large-scale Outflows Detected in a High-redshift Radio Galaxy: [C ii] Observations of TN J0924-2201 at z = 5.174. Astrophysical Journal. 2024. 972. 1
Lilan Yang, John Silverman, Masamune Oguri, Xuheng Ding, Yoshiki Toba, Song Huang, Lalitwadee Kawinwanichakij. Size-mass relation of the brightest cluster galaxies at z ∼1. Monthly Notices of the Royal Astronomical Society. 2024. 531. 4. 4006-4016
E. Pouliasis, A. Ruiz, I. Georgantopoulos, F. Vito, R. Gilli, C. Vignali, Y. Ueda, E. Koulouridis, M. Akiyama, S. Marchesi, et al. Active galactic nucleus X-ray luminosity function and absorption function in the Early Universe (3 ≤ z ≤ 6). Astronomy & Astrophysics. 2024
Bovornpratch Vijarnwannaluk, Masayuki Akiyama, Malte Schramm, Yoshihiro Ueda, Yoshiki Matsuoka, Yoshiki Toba, Naoki Matsumoto, Angel Ruiz, Ioannis Georgantopoulos, Ektoras Pouliasis, et al. Observational properties of active galactic nucleus obscuration during the peak of accretion growth. Monthly Notices of the Royal Astronomical Society. 2024. 529. 4. 3610-3629
Claire Greenwell, Poshak Gandhi, Daniel Stern, Peter Boorman, Yoshiki Toba, George Lansbury, Vincenzo Mainieri, Christopher Desira. A candidate Optically Quiescent Quasar lacking narrow emission lines. 2021
Kenta Setoguchi, Yoshihiro Ueda, Yoshiki Toba, Masayuki Akiyama. Black Hole and Galaxy Coevolution in Moderately Luminous Active Galactic Nuclei at z~1.4 in SXDF. ASTROPHYSICAL JOURNAL. 2021. 909. 2