Sasada Mahito

ササダマヒト | Sasada Mahito

Affiliation and department：
Job title： Specially Appointed Assistant Professor
Other affiliations (1)：

Hiroshima University Hiroshima Astorophysical Science Center Special Appointment Assistant Professor

Research field (1)： Astronomy

Research keywords (8)： radio astronomy , gravitational wave , Transient , multi-wavelength , polarization , jet , high-energy astronomy , optical and near-infrared astronomy

Research theme for competitive and other funds (9)：

2024 - 2028 Investigation of Particle Acceleration Mechanisms by Movie Analysis of Jets of Active Galactic Nuclei
2019 - 2025 Exploring dynamic pictures of supermassive black holes with movie reconstruction from event-horizion-scale observations
2021 - 2024 Clarifying magnetic fields in AGN jets by radio and optical polarimetry together with VLBI images
2019 - 2022 Probing magnetic fields of supermassive black-hole jets with next-generation international VLBI networks
2019 - 2022 Investigation of particle-accelerated region in jets of active galactic nuclei with radio and optical polarimetry

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Papers (127)：

Takashi Horiuchi, Yoshiki Toba, Toru Misawa, Katsuhiro L Murata, Keisuke Isogai, Yoichi Yatsu, Ichiro Takahashi, Mahito Sasada, Masafumi Niwano, Narikazu Higuchi, et al. The possible long-term periodic variability of the extremely luminous quasar WISE J090924.01+000211.1. Publications of the Astronomical Society of Japan. 2025
The Horizon Telescope Collaboration, Akiyama, Kazunori, Albentosa-Ruíz, Ezequiel, Alberdi, Antxon, Alef, Walter, Algaba, Juan Carlos, Anantua, Richard, Asada, Keiichi, Azulay, Rebecca, Bach, Uwe, et al. The persistent shadow of the supermassive black hole of M87: II. Model comparisons and theoretical interpretations. Astronomy and Astrophysics. 2025
J. C. Algaba, M. Baloković, S. Chandra, W.-Y. Cheong, Y.-Z. Cui, F. D’Ammando, A. D. Falcone, N. M. Ford, M. Giroletti, C. Goddi, et al. Broadband multi-wavelength properties of M87 during the 2018 EHT campaign including a very high energy flaring episode. Astronomy & Astrophysics. 2024. 692. A140-A140
Baczko, Anne-Kathrin, Kadler, Matthias, Ros, Eduardo, Fromm, Christian M., Wielgus, Maciek, Perucho, Manel, Krichbaum, Thomas P., Baloković, Mislav, Blackburn, Lindy, Chan, Chi-kwan, et al. The putative center in NGC 1052. Astronomy and Astrophysics. 2024
Niwano, Masafumi, Fausnaugh, Michael M., Lau, Ryan M., De, Kishalay, Soria, Roberto, Ricker, George R., Vanderspek, Roland, Ashley, Michael C. B., Earley, Nicholas, Hankins, Matthew J., et al. Possible anticorrelations between pulsation amplitudes and the disc growth of Be stars in giant-outbursting Be X-ray binaries. Monthly Notices of the Royal Astronomical Society. 2024

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MISC (21)：

伊藤尚泰, 村田勝寛, 細川稜平, 笹田真人, 庭野聖史, 谷津陽一, 河合誠之, 篠田浩一, 井上中順, 伊藤亮介, et al. MITSuME望遠鏡画像に対する深層学習を用いた突発天体検知システムの構築. 日本天文学会年会講演予稿集. 2022. 2022
Prashant Kocherlakota, Luciano Rezzolla, Heino Falcke, Christian M. Fromm, Michael Kramer, Yosuke Mizuno, Antonios Nathanail, Hector Olivares, Ziri Younsi, Kazunori Akiyama, et al. Constraints on black-hole charges with the 2017 EHT observations of M87*. Physical Review D. 2021. 103. 10
Maehara, Hiroyuki, Notsu, Yuta, Namekata, Kousuke, Honda, Satoshi, Kowalski, Adam F., Katoh, Noriyuki, Ohshima, Tomohito, Iida, Kota, Oeda, Motoki, Murata, Katsuhiro L., et al. Time-resolved spectroscopy and photometry of M dwarf flare star YZ Canis Minoris with OISTER and TESS: Blue asymmetry in the Hα line during the non-white light flare. Publications of the Astronomical Society of Japan. 2021
大神隆幸, 冨永望, 吉田道利, 柳澤顕史, 田中雅臣, 笹田真人, 諸隈智貴, 新納悠, 鹿内みのり, 内海洋輔, et al. 重力波事象S200224caにおけるすばる/HSCでの追観測. 日本天文学会年会講演予稿集. 2021. 2021
大神隆幸, 冨永望, 吉田道利, 柳澤顕史, 田中雅臣, 笹田真人, 諸隈智貴, 新納悠, 鹿内みのり, 内海洋輔, et al. 重力波観測ランO3におけるすばる/HSCでの観測. 日本天文学会年会講演予稿集. 2020. 2020

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Professional career (1)：

博士(理学) (広島大学)

Work history (6)：

2024/10 - 現在 Institute of Science Tokyo Institute of Integrated Research Specially Appointed Assistant Professor
2022/04 - 2024/09 Tokyo Institute of Technology Institute of Innovative Research Specially Appointed Assistant Professor
2018/01 - 2022/03 Hiroshima University Hiroshima Astorophysical Science Center
2017/04 - 2017/12 National Astronomical Observatory of Japan Mizusawa VLBI Observatory
2015/04 - 2017/03 Boston University

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Awards (1)：

2016/03 - The Astronomical Society of Japan PASJ Excellent Paper Award Photopolarimetric Monitoring of Blazars in the Optical and Near-Infrared Bands with the Kanata Telescope. I. Correlations between Flux, Color, and Polarization

Association Membership(s) (2)：

The Geodetic Society of Japan , Astronomical Society of Japan

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