Publications of Kosuke Namekata ordered by citations

A list of publications authored or co-authored by Kosuke Namekata, derived from the SAO/NASA Astrophysics Data System (ADS) and ordered by the numbers of citations.

Orcid ID: 0000-0002-1297-9485

170	Do Kepler Superflare Stars Really Include Slowly Rotating Sun-like Stars?—Results Using APO 3.5 m Telescope Spectroscopic Observations and Gaia-DR2 Data Notsu, Yuta, Maehara, Hiroyuki, Honda, Satoshi, Hawley, Suzanne L., Davenport, James R. A., Namekata, Kosuke, Notsu, Shota, Ikuta, Kai, Nogami, Daisaku & Shibata, Kazunari, 2019, ApJ, 876, 58
157	Statistical Studies of Solar White-light Flares and Comparisons with Superflares on Solar-type Stars Namekata, Kosuke, Sakaue, Takahito, Watanabe, Kyoko, Asai, Ayumi, Maehara, Hiroyuki, Notsu, Yuta, Notsu, Shota, Honda, Satoshi, Ishii, Takako T., Ikuta, Kai, Nogami, Daisaku & Shibata, Kazunari, 2017, ApJ, 851, 91
137	Probable detection of an eruptive filament from a superflare on a solar-type star Namekata, Kosuke, Maehara, Hiroyuki, Honda, Satoshi, Notsu, Yuta, Okamoto, Soshi, Takahashi, Jun, Takayama, Masaki, Ohshima, Tomohito, Saito, Tomoki, Katoh, Noriyuki, Tozuka, Miyako, Murata, Katsuhiro L., Ogawa, Futa, Niwano, Masafumi, Adachi, Ryo, Oeda, Motoki, Shiraishi, Kazuki, Isogai, Keisuke, Seki, Daikichi, Ishii, Takako T., Ichimoto, Kiyoshi, Nogami, Daisaku & Shibata, Kazunari, 2021, Nature Astronomy, 6, 241
103	Statistical Properties of Superflares on Solar-type Stars: Results Using All of the Kepler Primary Mission Data Okamoto, Soshi, Notsu, Yuta, Maehara, Hiroyuki, Namekata, Kosuke, Honda, Satoshi, Ikuta, Kai, Nogami, Daisaku & Shibata, Kazunari, 2021, ApJ, 906, 72
89	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 Maehara, Hiroyuki, Notsu, Yuta, Namekata, Kousuke, Honda, Satoshi, Kowalski, Adam F., Katoh, Noriyuki, Ohshima, Tomohito, Iida, Kota, Oeda, Motoki, Murata, Katsuhiro L., Yamanaka, Masayuki, Takagi, Kengo, Sasada, Mahito, Akitaya, Hiroshi, Ikuta, Kai, Okamoto, Soshi, Nogami, Daisaku & Shibata, Kazunari, 2021, Publications of the Astronomical Society of Japan, 73, 44
73	Lifetimes and Emergence/Decay Rates of Star Spots on Solar-type Stars Estimated by Kepler Data in Comparison with Those of Sunspots Namekata, Kosuke, Maehara, Hiroyuki, Notsu, Yuta, Toriumi, Shin, Hayakawa, Hisashi, Ikuta, Kai, Notsu, Shota, Honda, Satoshi, Nogami, Daisaku & Shibata, Kazunari, 2019, ApJ, 871, 187
71	Starspot activity and superflares on solar-type stars Maehara, Hiroyuki, Notsu, Yuta, Notsu, Shota, Namekata, Kosuke, Honda, Satoshi, Ishii, Takako T., Nogami, Daisaku & Shibata, Kazunari, 2017, Publications of the Astronomical Society of Japan, 69, 41
69	Optical and X-ray observations of stellar flares on an active M dwarf AD Leonis with the Seimei Telescope, SCAT, NICER, and OISTER Namekata, Kosuke, Maehara, Hiroyuki, Sasaki, Ryo, Kawai, Hiroki, Notsu, Yuta, Kowalski, Adam F., Allred, Joel C., Iwakiri, Wataru, Tsuboi, Yohko, Murata, Katsuhiro L., Niwano, Masafumi, Shiraishi, Kazuki, Adachi, Ryo, Iida, Kota, Oeda, Motoki, Honda, Satoshi, Tozuka, Miyako, Katoh, Noriyuki, Onozato, Hiroki, Okamoto, Soshi, Isogai, Keisuke, Kimura, Mariko, Kojiguchi, Naoto, Wakamatsu, Yasuyuki, Tampo, Yusuke, Nogami, Daisaku & Shibata, Kazunari, 2020, Publications of the Astronomical Society of Japan, 72, 68
65	Time-resolved spectroscopic observations of an M-dwarf flare star EV Lacertae during a flare Honda, Satoshi, Notsu, Yuta, Namekata, Kosuke, Notsu, Shota, Maehara, Hiroyuki, Ikuta, Kai, Nogami, Daisaku & Shibata, Kazunari, 2018, Publications of the Astronomical Society of Japan, 70, 62
59	Multiwavelength Campaign Observations of a Young Solar-type Star, EK Draconis. I. Discovery of Prominence Eruptions Associated with Superflares Namekata, Kosuke, Airapetian, Vladimir S., Petit, Pascal, Maehara, Hiroyuki, Ikuta, Kai, Inoue, Shun, Notsu, Yuta, Paudel, Rishi R., Arzoumanian, Zaven, Avramova-Boncheva, Antoaneta A., Gendreau, Keith, Jeffers, Sandra V., Marsden, Stephen, Morin, Julien, Neiner, Coralie, Vidotto, Aline A. & Shibata, Kazunari, 2024, ApJ, 961, 23
51	Impact of Stellar Superflares on Planetary Habitability Yamashiki, Yosuke A., Maehara, Hiroyuki, Airapetian, Vladimir, Notsu, Yuta, Sato, Tatsuhiko, Notsu, Shota, Kuroki, Ryusuke, Murashima, Keiya, Sato, Hiroaki, Namekata, Kosuke, Sasaki, Takanori, Scott, Thomas B., Bando, Hina, Nashimoto, Subaru, Takagi, Fuka, Ling, Cassandra, Nogami, Daisaku & Shibata, Kazunari, 2019, ApJ, 881, 114
49	The extreme space weather event in September 1909 Hayakawa, Hisashi, Ebihara, Yusuke, Cliver, Edward W., Hattori, Kentaro, Toriumi, Shin, Love, Jeffrey J., Umemura, Norio, Namekata, Kosuke, Sakaue, Takahito, Takahashi, Takuya & Shibata, Kazunari, 2019, MNRAS, 484, 4083
44	Discovery of a Long-duration Superflare on a Young Solar-type Star EK Draconis with Nearly Similar Time Evolution for Hα and White-light Emissions Namekata, Kosuke, Maehara, Hiroyuki, Honda, Satoshi, Notsu, Yuta, Okamoto, Soshi, Takahashi, Jun, Takayama, Masaki, Ohshima, Tomohito, Saito, Tomoki, Katoh, Noriyuki, Tozuka, Miyako, Murata, Katsuhiro L., Ogawa, Futa, Niwano, Masafumi, Adachi, Ryo, Oeda, Motoki, Shiraishi, Kazuki, Isogai, Keisuke, Nogami, Daisaku & Shibata, Kazunari, 2022, ApJ, 926, L5
43	Apache Point Observatory (APO)/SMARTS Flare Star Campaign Observations. I. Blue Wing Asymmetries in Chromospheric Lines during Mid-M-Dwarf Flares from Simultaneous Spectroscopic and Photometric Observation Data Notsu, Yuta, Kowalski, Adam F., Maehara, Hiroyuki, Namekata, Kosuke, Hamaguchi, Kenji, Enoto, Teruaki, Tristan, Isaiah I., Hawley, Suzanne L., Davenport, James R. A., Honda, Satoshi, Ikuta, Kai, Inoue, Shun, Namizaki, Keiichi, Nogami, Daisaku & Shibata, Kazunari, 2024, ApJ, 961, 189
41	Sun-as-a-star Analyses of Various Solar Active Events Using Hα Spectral Images Taken by SMART/SDDI Otsu, Takato, Asai, Ayumi, Ichimoto, Kiyoshi, Ishii, Takako T. & Namekata, Kosuke, 2022, ApJ, 939, 98
37	Starspot Mapping with Adaptive Parallel Tempering. II. Application to TESS Data for M-dwarf Flare Stars AU Microscopii, YZ Canis Minoris, and EV Lacertae Ikuta, Kai, Namekata, Kosuke, Notsu, Yuta, Maehara, Hiroyuki, Okamoto, Soshi, Honda, Satoshi, Nogami, Daisaku & Shibata, Kazunari, 2023, ApJ, 948, 64
35	Temporal Evolution of Spatially Resolved Individual Star Spots on a Planet-hosting Solar-type Star: Kepler-17 Namekata, Kosuke, Davenport, James R. A., Morris, Brett M., Hawley, Suzanne L., Maehara, Hiroyuki, Notsu, Yuta, Toriumi, Shin, Ikuta, Kai, Notsu, Shota, Honda, Satoshi, Nogami, Daisaku & Shibata, Kazunari, 2020, ApJ, 891, 103
35	The Atmospheric Response to High Nonthermal Electron-beam Fluxes in Solar Flares. II. Hydrogen-broadening Predictions for Solar Flare Observations with the Daniel K. Inouye Solar Telescope Kowalski, Adam F., Allred, Joel C., Carlsson, Mats, Kerr, Graham S., Tremblay, Pier-Emmanuel, Namekata, Kosuke, Kuridze, David & Uitenbroek, Han, 2022, ApJ, 928, 190
34	Detection of a High-velocity Prominence Eruption Leading to a CME Associated with a Superflare on the RS CVn-type Star V1355 Orionis Inoue, Shun, Maehara, Hiroyuki, Notsu, Yuta, Namekata, Kosuke, Honda, Satoshi, Namizaki, Keiichi, Nogami, Daisaku & Shibata, Kazunari, 2023, ApJ, 948, 9
30	Inter-longitude astronomy project: some results and perspectives Andronov, I. L., Antoniuk, K. A., Augusto, P., Baklanov, A. V., Chinarova, L. L., Chochol, D., Efimov, Yu. S., Gazeas, K., Halevin, A. V., Kim, Y., Kolesnikov, S. V., Kudashkina, L. S., Marsakova, V. I., Mason, P. A., Niarchos, P. G., Nogami, D., Ostrova, N. I., Patkos, L., Pavlenko, E. P., Shakhovskoy, N. M., Tremko, J., Yushchenko, A. V. & Zola, S., 2003, Astronomical and Astrophysical Transactions, 22, 793
29	Sun-as-a-star Analysis of Hα Spectra of a Solar Flare Observed by SMART/SDDI: Time Evolution of Red Asymmetry and Line Broadening Namekata, Kosuke, Ichimoto, Kiyoshi, Ishii, Takako T. & Shibata, Kazunari, 2022, ApJ, 933, 209
27	A Superflare on YZ Canis Minoris Observed by the Seimei Telescope and TESS: Red Asymmetry of Hα Emission Associated with White-light Emission Namizaki, Keiichi, Namekata, Kosuke, Maehara, Hiroyuki, Notsu, Yuta, Honda, Satoshi, Nogami, Daisaku & Shibata, Kazunari, 2023, ApJ, 945, 61
25	Universal Scaling Laws for Solar and Stellar Atmospheric Heating: Catalog of Power-law Index between Solar Activity Proxies and Various Spectral Irradiances Toriumi, Shin, Airapetian, Vladimir S., Namekata, Kosuke & Notsu, Yuta, 2022, ApJS, 262, 46
24	Magnitude Estimates for the Carrington Flare in 1859 September: As Seen from the Original Records Hayakawa, Hisashi, Bechet, Sabrina, Clette, Frédéric, Hudson, Hugh S., Maehara, Hiroyuki, Namekata, Kosuke & Notsu, Yuta, 2023, ApJ, 954, L3
23	Multiwavelength observation of an active M-dwarf star EV Lacertae and its stellar flare accompanied by a delayed prominence eruption Inoue, Shun, Enoto, Teruaki, Namekata, Kosuke, Notsu, Yuta, Honda, Satoshi, Maehara, Hiroyuki, Zhang, Jiale, Lu, Hong-Peng, Uchida, Hiroyuki, Tsuru, Takeshi Go, Nogami, Daisaku & Shibata, Kazunari, 2024, Publications of the Astronomical Society of Japan, 76, 175
20	Starspot Mapping with Adaptive Parallel Tempering. I. Implementation of Computational Code Ikuta, Kai, Maehara, Hiroyuki, Notsu, Yuta, Namekata, Kosuke, Kato, Taichi, Notsu, Shota, Okamoto, Soshi, Honda, Satoshi, Nogami, Daisaku & Shibata, Kazunari, 2020, ApJ, 902, 73
19	Reconstructing the XUV Spectra of Active Sun-like Stars Using Solar Scaling Relations with Magnetic Flux Namekata, Kosuke, Toriumi, Shin, Airapetian, Vladimir S., Shoda, Munehito, Watanabe, Kyoko & Notsu, Yuta, 2023, ApJ, 945, 147
17	Validation of a scaling law for the coronal magnetic field strength and loop length of solar and stellar flares Namekata, Kosuke, Sakaue, Takahito, Watanabe, Kyoko, Asai, Ayumi & Shibata, Kazunari, 2017, Publications of the Astronomical Society of Japan, 69, 7
15	Rising Near-ultraviolet Spectra in Stellar Megaflares Kowalski, Adam F., Osten, Rachel A., Notsu, Yuta, Tristan, Isaiah I., Segura, Antigona, Maehara, Hiroyuki, Namekata, Kosuke & Inoue, Shun, 2025, ApJ, 978, 81
15	Multiwavelength Campaign Observations of a Young Solar-type Star, EK Draconis. II. Understanding Prominence Eruption through Data-driven Modeling and Observed Magnetic Environment Namekata, Kosuke, Ikuta, Kai, Petit, Pascal, Airapetian, Vladimir S., Vidotto, Aline A., Heinzel, Petr, Wollmann, Jiří, Maehara, Hiroyuki, Notsu, Yuta, Inoue, Shun, Marsden, Stephen, Morin, Julien, Jeffers, Sandra V., Neiner, Coralie, Paudel, Rishi R., Avramova-Boncheva, Antoaneta A., Gendreau, Keith & Shibata, Kazunari, 2024, ApJ, 976, 255
13	Spectroscopic and photometric observations of dwarf nova superoutbursts by the 3.8 m telescope Seimei and the Variable Star Network Tampo, Yusuke, Isogai, Keisuke, Kojiguchi, Naoto, Maehara, Hiroyuki, Taguchi, Kenta, Kato, Taichi, Kimura, Mariko, Wakamatsu, Yasuyuki, Shibata, Masaaki, Nogami, Daisaku, Kawabata, Miho, Maeda, Keiichi, Namekata, Kosuke, Okamoto, Soshi, Otsuka, Masaaki, Burgaz, Umut, Nagoshi, Shumpei, Itoh, Hiroshi, Vanmunster, Tonny, Tordai, Tamás, Stone, Geoffrey, Matsumoto, Katsura, Fujii, Daiti, Matsumura, Ryota, Nakagawa, Momoka, Takeuchi, Nodoka, Zenkou, Yuki, Pavlenko, Elena P., Antonyuk, Kirill A., Pit, Nikolaj V., Antonyuk, Oksana I., Babina, Julia V., Baklanov, Aleksei V., Sosnovskij, Aleksei A., Shugarov, Sergey Yu, Katysheva, Nataly, Chochol, Drahomír, Dvorak, Shawn, Dubovsky, Pavol A., Medulka, Tomáš, Kudzej, Igor, Kiyota, Seiichiro, Zubareva, Alexandra M., Belinski, Alexandr A., Ikonnikova, Natalia P., Burlak, Marina A., Sano, Yasuo, Mizutani, Masanori, Ruiz, Javier, Pickard, Roger D., Hambsch, Franz-Josef, Dufoer, Sjoerd, Brincat, Stephen M., Galdies, Charles, Menzies, Kenneth, Moriyama, Masayuki, Hiraga, Mitsutaka, Maeda, Yutaka, Hirosawa, Kenji, Funada, Masao & Yamamoto, Minoru, 2021, Publications of the Astronomical Society of Japan, 73, 753
12	Superoutburst of WZ Sge-type dwarf nova below the period minimum: ASASSN-15po Namekata, Kosuke, Isogai, Keisuke, Kato, Taichi, Littlefield, Colin, Matsumoto, Katsura, Kojiguchi, Naoto, Sugiura, Yuki, Uto, Yusuke, Fukushima, Daiki, Tatsumi, Taiki, Yamada, Eiji, Kamibetsunawa, Taku, de Miguel, Enrique, Stein, William L., Sabo, Richard, Andreev, Maksim V., Morelle, Etienne, Pavlenko, E. P., Babina, Julia V., Baklanov, Alex V., Antonyuk, Kirill A., Antonyuk, Okasana I., Sosnovskij, Aleksei A., Shugarov, Sergey Yu., Golysheva, Polina Yu., Gladilina, Natalia G., Miller, Ian, Neustroev, Vitaly V., Chavushyan, Vahram, Valdés, José R., Sjoberg, George, Maeda, Yutaka, Itoh, Hiroshi, Masi, Gianluca, Michel, Raúl, Dubovsky, Pavol A., Kiyota, Seiichiro, Tordai, Tamás, Oksanen, Arto, Ruiz, Javier & Nogami, Daisaku, 2017, Publications of the Astronomical Society of Japan, 69, 2
8	Statistical Properties Of Superflares On Solar-Type Stars With Kepler Data Notsu, Yuta, Maehara, Hiroyuki, Shibayama, Takuya, Honda, Satoshi, Notsu, Shota, Namekata, Kosuke, Nogami, Daisaku & Shibata, Kazunari, 2016, 19th Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun (CS19), Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun, p. 119
8	High-time-cadence Spectroscopy and Photometry of Stellar Flares on M dwarf YZ Canis Minoris with the Seimei Telescope and TESS. I. Discovery of Rapid and Short-duration Prominence Eruptions Kajikiya, Yuto, Namekata, Kosuke, Notsu, Yuta, Maehara, Hiroyuki, Sato, Bunei & Nogami, Daisaku, 2025, ApJ, 979, 93
6	A Semiempirical Estimate of Solar Extreme-ultraviolet Evolution from 10 Myr to 10 Gyr France, Kevin, Duvvuri, Girish, Froning, Cynthia S., Brown, Alexander, Schneider, P. Christian, Pineda, J. Sebastian, Wilson, David, Youngblood, Allison, Airapetian, Vladimir S., Namekata, Kosuke, Notsu, Yuta & Sextro, Tristen, 2025, The Astronomical Journal, 170, 159
5	High-time-cadence Spectroscopy and Photometry of Stellar Flares on M-dwarf YZ Canis Minoris with Seimei Telescope and TESS. II. Statistical Properties of Blue/Red Asymmetries in the Hα Line Kajikiya, Yuto, Namekata, Kosuke, Notsu, Yuta, Ikuta, Kai, Maehara, Hiroyuki, Sato, Bunei & Nogami, Daisaku, 2025, ApJ, 985, 136
4	Discovery of multi-temperature coronal mass ejection signatures from a young solar analogue Namekata, Kosuke, France, Kevin, Chae, Jongchul, Airapetian, Vladimir S., Kowalski, Adam, Notsu, Yuta, Young, Peter R., Honda, Satoshi, Kang, Soosang, Kang, Juhyung, Lee, Kyeore, Maehara, Hiroyuki, Lee, Kyoung-Sun, Tamburri, Cole, Ohshima, Tomohito, Takayama, Masaki & Shibata, Kazunari, 2026, Nature Astronomy, 10, 64
3	Do Young Suns Produce Frequent, Massive CMEs? Results from Five-year Dedicated Optical Observations of EK Draconis and V889 Hercules Namekata, Kosuke, Maehara, Hiroyuki, Notsu, Yuta, Honda, Satoshi, Ikuta, Kai, Nogami, Daisaku & Shibata, Kazunari, 2025, ApJ, 993, 80
3	Time evolution of a white-light flare accompanied by probable postflare loops on the M-type dwarf EV Lacertae Ichihara, Shinnosuke, Nogami, Daisaku, Namekata, Kosuke, Maehara, Hiroyuki, Notsu, Yuta, Ikuta, Kai, Honda, Satoshi, Otsu, Takato & Shibata, Kazunari, 2025, Publications of the Astronomical Society of Japan, 77, 1025
3	Simultaneous Optical and Radio Observations of a Large Stellar Flare on EV Lac Lu, Hong-Peng, Zhang, Jia-Le, Tian, Hui, Zhang, Li-Yun, Chen, He-Chao, Zheng, Jie, Zhang, Jun-Bo, Wang, Jian-Guo, Inoue, Shun, Maehara, Hiroyuki & Namekata, Kosuke, 2025, ApJ, 990, L32
2	Temporal Variation of Flare Occurrence Rates via the Spot Evolution on the Sun and Solar-type Stars Tokuno, Takato, Namekata, Kosuke, Maehara, Hiroyuki & Toriumi, Shin, 2025, ApJ, 985, 158
2	Doppler imaging combined with high-cadence photometry: I. Revisiting the surface of a pre-main-sequence flare star PW Andromedae Lee, S., Bahar, E., Şenavcı, H. V., Ișık, E., Ikuta, K., Namekata, K., Nagata, H., Kawauchi, K., Omiya, M., Izumiura, H., Tajitsu, A., Sato, B., Honda, S. & Nogami, D., 2026, A&A, 707, A24
2	Systematic NICER study of the low-ionized Fe Kα line on RS Canum Venaticorum-type stars Inoue, Shun, Enoto, Teruaki, Notsu, Yuta, Uchida, Hiroyuki, Iwakiri, Wataru Buz, Namekata, Kosuke & Gendreau, Keith, 2025, MNRAS, 541, 1403
2	Statistical Study of Solar White-light Flares and Comparison with Superflares on Solar-type Stars Namekata, Kosuke, Sakaue, Takahito, Watanabe, Kyoko, Asai, Ayumi, Maehara, Hiroyuki, Notsu, Yuta, Notsu, Shota, Honda, Satoshi, Ishii, Takako T., Ikuta, Kai, Nogami, Daisaku & Shibata, Kazunari, 2018, Long-term Datasets for the Understanding of Solar and Stellar Magnetic Cycles (Editors: Banerjee, D., Jiang, J., Kusano, K. & Solanki, S.), IAU Symposium, 340, p. 221
1	Statistical Properties of Superflares on Solar-type Stars: Results Using All of the Kepler Primary Mission Data Okamoto, Soshi, Notsu, Yuta, Maehara, Hiroyuki, Namekata, Kosuke, Ikuta, Kai, Nogami, Daisaku & Shibata, Kazunari, 2021, The 20.5th Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun (CS20.5), Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun, p. 112
1	Energetic Superflare from a Young Solar Analog, DS Tucanae A, Observed with NICER Dethero, Mary Geer, Hare, Jeremy, Airapetian, Vladimir S., Namekata, Kosuke, B. Coley, Joel, Ferrara, Elizabeth C. & Gendreau, Keith, 2023, Research Notes of the American Astronomical Society, 7, 203
1	Blue asymmetries in Balmer lines during mid M dwarf flares Notsu, Yuta, Kowalski, Adam F., Maehara, Hiroyuki, Namekata, Kosuke, Honda, Satoshi, Enoto, Teruaki, Hamaguchi, Kenji, Tristan, Isaiah, Hawley, Suzanne L., Davenport, James R. A., Okamoto, Soshi, Ikuta, Kai, Nogami, Daisaku & Shibata, Kazunari, 2021, Posters from the TESS Science Conference II (TSC2), p. 118
1	Comparison of Solar Multifrequency Microwave Data with Other Solar Indices for Understanding Solar and Stellar Microwave Data Shimojo, Masumi, Namekata, Kosuke, Iwai, Kazumasa, Asai, Ayumi & Watanabe, Kyoko, 2024, ApJ, 965, 170
1	Time-resolved spectroscopy and photometry of an M dwarf flare star YZ Canis Minoris with OISTER and TESS: Blue asymmetry in H-alpha line during the non-white light flare Maehara, Hiroyuki, Notsu, Yuta, Namekata, Kousuke, Honda, Satoshi, Kowalski, Adam F., Katoh, Noriyuki, Ohshima, Tomohito, Iida, Kota, Oeda, Motoki, Murata, Katsuhiro L., Yamanaka, Masayuki, Takagi, Kengo, Sasada, Mahito, Akitaya, Hiroshi, Ikuta, Kai, Okamoto, Soshi, Nogami, Daisaku & Shibata, Kazunari, 2021, Posters from the TESS Science Conference II (TSC2), p. 16
0	Statistical properties of starspots on late-type main sequence stars and their correlation with flare activity Maehara, Hiroyuki, Notsu, Yuta, Yamashiki, Yosuke Alexandre, Notsu, Shota, Namekata, Kosuke, Ikuta, Kai, Honda, Satoshi, Nogami, Daisaku & Shibata, Kazunari, 2019, The Astrobiology Science Conference (AbSciCon) 2019, p. 145-199
0	Multiwavelength Campaign Observations of a Young Solar-type Star, EK Draconis. III. Comparison between Starspot Mapping, Zeeman Doppler Imaging, and Multiwavelength Variability Ikuta, Kai, Namekata, Kosuke, Petit, Pascal, Airapetian, Vladimir S., Maehara, Hiroyuki, Notsu, Yuta, Vidotto, Aline A., Gendreau, Keith, Jeffers, Sandra V., Marsden, Stephen, Morin, Julien, Neiner, Coralie, Paudel, Rishi R., Nogami, Daisaku & Shibata, Kazunari, 2026, ApJ, 1001, 18
0	Bridging the Gap between the Sun and Sun-Like Stars: Universal Atmospheric Heating Mechanism and Empirical Reproduction of XUV Spectra Toriumi, Shin, Namekata, Kosuke, Airapetian, Vladimir S. & Notsu, Yuta, 2022, The 21st Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun, Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun, p. 38
0	Toward understanding stellar CME sources: Recent observational studies of stellar flares and (erupting) stellar prominences Notsu, Yuta, Maehara, Hiroyuki, Namekata, Kosuke, Kowalski, Adam F., Tristan, Isaiah, Hamaguchi, Kenji, Enoto, Teruaki, Hawley, Suzanne L., Davenport, James R. A., Ikuta, Kai, Okamoto, Soshi, Namizaki, Keiichi, Nogami, Daisaku & Shibata, Kazunari, 2022, The 21st Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun, Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun, p. 105
0	Statistical properties of superflares on solar-type stars - Latest results using Gaia-DR2 data - Notsu, Yuta, Maehara, Hiroyuki, Honda, Satoshi, Hawley, Suzanne L., Davenport, James R. A., Namekata, Kosuke, Notsu, Shota, Ikuta, Kai, Nogami, Daisaku & Shibata, Kazunari, 2019, The Astrobiology Science Conference (AbSciCon) 2019, p. 111-2
0	High Dispersion Spectroscopy of Solar-Type Superflare Stars With Subaru/HDS Notsu, Yuta, Honda, Satoshi, Maehara, Hiroyuki, Notsu, Shota, Shibayama, Takuya, Namekata, Kosuke, Nogami, Daisaku & Shibata, Kazunari, 2016, 19th Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun (CS19), Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun, p. 98
0	Starspot mapping with parallel tempering for M-dwarf flare stars Ikuta, Kai, Maehara, Hiroyuki, Notsu, Yuta, Namekata, Kosuke, Kato, Taichi, Okamoto, Soshi, Notsu, Shota, Honda, Satoshi, Nogami, Daisaku & Shibata, Kazunari, 2021, Posters from the TESS Science Conference II (TSC2), p. 106
0	Time Resolved Spectroscopic Observations of an M-Dwarf Flare Star EV Lac During a Flare. Honda, Satoshi, Notsu, Yuta, Notsu, Shota, Maehara, Hiroyuki, Namekata, Kosuke, Nogami, Daisaku & Shibata, Kazunari, 2016, 19th Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun (CS19), Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun, p. 87
0	Spectral and photometric variability of SS 433 observed with XRISM and simultaneous optical and near-infrared telescopes Sakai, Yusuke, Yamada, Shinya, Okada, Yuta, Takagi, Toshihiro, Usuki, Tomoya, Shidatsu, Megumi, Kobayashi, Shogo B., Petre, Robert, Ueda, Yoshihiro, Uchiyama, Hideki, Tan, Miho, Kotani, Taro, Igarashi, Taichi, Machida, Mami, Sakemi, Haruka, Kawai, Nobuyuki, Miura, Daiki, Yamaguchi, Hiroya, Fujiwara, Kanta, Hiramatsu, Daichi, Isogai, Keisuke, Kang, Chulsoo, Kimura, Mariko, Murata, Katsuhiro L., Nagayama, Takahiro, Nakamoto, Taichi, Namekata, Kosuke, Niida, Yuki, Niino, Yuu, Niwano, Masafumi, Oh, Kyuseok, Sako, Shigeyuki, Sasada, Mahito, Suzuki, Hiromasa, Taguchi, Kenta, Takahashi, Ichiro, Uenishi, Miyu, Yatsu, Yoichi & Yoshimoto, Marina, 2026, Publications of the Astronomical Society of Japan, ,
0	Detection of mass ejection from a superflare on a solar-type star Namekata, Kosuke, Maehara, Hiroyuki, Honda, Satoshi, Notsu, Yuta, Okamoto, Soshi, Takahashi, Jun, Takayama, Masaki, Ohshima, Tomohito, Saito, Tomoki, Katoh, Noriyuki, Tozuka, Miyako, Murata, Katsuhiro, Ogawa, Futa, Niwano, Masafumi, Adachi, Ryo, Oeda, Motoki, Shiraishi, Kazuki, Isogai, Keisuke, Ishii, Takako, Ichimoto, Kiyoshi, Nogami, Daisaku & Shibata, Kazunari, 2021, The 20.5th Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun (CS20.5), Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun, p. 152
0	Coronal Mass Ejections on Young Suns: Insights from Solar and Stellar Observations and Models Namekata, Kosuke, 2024, Cool Stars 22, Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun, p. 38
0	Simple model for filament and prominence eruptions from superflares on a young solar-type star Ikuta, Kai, Otsu, Takato, Asai, Ayumi, Namekata, Kosuke & Shibata, Kazunari, 2024, Cool Stars 22, Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun, p. 100
0	Starspot mapping and multiwavelength variability for a young solar-type star Ikuta, Kai, Namekata, Kosuke, Maehara, Hiroyuki, Airapetian, Vladimir, Petit, Pascal, Notsu, Yuta & Shibata, Kazunari, 2024, TESS Science Conference III, p. 12
0	Time-resolved spectroscopy and photometry of an M dwarf flare star YZ Canis Minoris with OISTER and TESS: Blue asymmetry in H\alpha line during the non-white light flare Maehara, Hiroyuki, Notsu, Yuta, Namekata, Kousuke, Honda, Satoshi, Kowalski, Adam F., Katoh, Noriyuki, Ohshima, Tomohito, Iida, Kota, Oeda, Motoki, Murata, Katsuhiro L., Yamanaka, Masayuki, Takagi, Kengo, Sasada, Mahito, Akitaya, Hiroshi, Ikuta, Kai, Okamoto, Soshi, Nogami, Daisaku & Shibata, Kazunari, 2021, The 20.5th Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun (CS20.5), Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun, p. 142
0	Blue asymmetries in Balmer lines during mid M dwarf flares Notsu, Yuta, Kowalski, Adam F., Maehara, Hiroyuki, Namekata, Kosuke, Honda, Satoshi, Enoto, Teruaki, Hamaguchi, Kenji, Tristan, Isaiah, Hawley, Suzanne L., Davenport, James R. A., Okamoto, Soshi, Ikuta, Kai, Nogami, Daisaku & Shibata, Kazunari, 2021, The 20.5th Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun (CS20.5), Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun, p. 103
0	X-ray and Hα superflare on an RS CVn-type star, UX Arietis: Constraint on the flare location from radial velocity change during the flare Urabe, Sota, Tsuboi, Yohko, Namekata, Kosuke, Nawa, Sakura, Maehara, Hiroyuki, Nemoto, Noboru, Notsu, Yuta & Iwakiri, Wataru, 2026, Publications of the Astronomical Society of Japan, 78, 310
0	A filament eruption and coronal mass ejection from a superflare on a young Sun-like star Namekata, Kosuke, Maehara, Hiroyuki, Honda, Satoshi, Notsu, Yuta, Nogami, Daisaku & Shibata, Kazunari, 2022, The 21st Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun, Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun, p. 94