Publications of Kosuke Namekata

A list of publications authored or co-authored by Kosuke Namekata, derived from the SAO/NASA Astrophysics Data System (ADS). The number in brackets after each title indicates the number of citations that the paper has received.

Orcid ID: 0000-0002-1297-9485

List of publications ordered by citations
Number of papers: 62 (refereed: 42)
No. of citations: 1591
First author papers: 18 (refereed: 14)

2026

1. Discovery of multi-temperature coronal mass ejection signatures from a young solar analogue [2]
   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, Nature Astronomy, 10, 64
2. 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 [0]
   Urabe, Sota, Tsuboi, Yohko, Namekata, Kosuke, Nawa, Sakura, Maehara, Hiroyuki, Nemoto, Noboru, Notsu, Yuta & Iwakiri, Wataru, Publications of the Astronomical Society of Japan, 78, 310

2025

1. A Semiempirical Estimate of Solar Extreme-ultraviolet Evolution from 10 Myr to 10 Gyr [4]
   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, The Astronomical Journal, 170, 159
2. Time evolution of a white-light flare accompanied by probable postflare loops on the M-type dwarf EV Lacertae [2]
   Ichihara, Shinnosuke, Nogami, Daisaku, Namekata, Kosuke, Maehara, Hiroyuki, Notsu, Yuta, Ikuta, Kai, Honda, Satoshi, Otsu, Takato & Shibata, Kazunari, Publications of the Astronomical Society of Japan, 77, 1025
3. Systematic NICER study of the low-ionized Fe Kα line on RS Canum Venaticorum-type stars [2]
   Inoue, Shun, Enoto, Teruaki, Notsu, Yuta, Uchida, Hiroyuki, Iwakiri, Wataru Buz, Namekata, Kosuke & Gendreau, Keith, MNRAS, 541, 1403
4. 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 [4]
   Kajikiya, Yuto, Namekata, Kosuke, Notsu, Yuta, Ikuta, Kai, Maehara, Hiroyuki, Sato, Bunei & Nogami, Daisaku, ApJ, 985, 136
5. 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 [7]
   Kajikiya, Yuto, Namekata, Kosuke, Notsu, Yuta, Maehara, Hiroyuki, Sato, Bunei & Nogami, Daisaku, ApJ, 979, 93
6. Rising Near-ultraviolet Spectra in Stellar Megaflares [15]
   Kowalski, Adam F., Osten, Rachel A., Notsu, Yuta, Tristan, Isaiah I., Segura, Antigona, Maehara, Hiroyuki, Namekata, Kosuke & Inoue, Shun, ApJ, 978, 81
7. Simultaneous Optical and Radio Observations of a Large Stellar Flare on EV Lac [2]
   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, ApJ, 990, L32
8. Do Young Suns Produce Frequent, Massive CMEs? Results from Five-year Dedicated Optical Observations of EK Draconis and V889 Hercules [2]
   Namekata, Kosuke, Maehara, Hiroyuki, Notsu, Yuta, Honda, Satoshi, Ikuta, Kai, Nogami, Daisaku & Shibata, Kazunari, ApJ, 993, 80
9. Temporal Variation of Flare Occurrence Rates via the Spot Evolution on the Sun and Solar-type Stars [1]
   Tokuno, Takato, Namekata, Kosuke, Maehara, Hiroyuki & Toriumi, Shin, ApJ, 985, 158

2024

1. Simple model for filament and prominence eruptions from superflares on a young solar-type star [0]
   Ikuta, Kai, Otsu, Takato, Asai, Ayumi, Namekata, Kosuke & Shibata, Kazunari, Cool Stars 22, Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun, p. 100
2. Starspot mapping and multiwavelength variability for a young solar-type star [0]
   Ikuta, Kai, Namekata, Kosuke, Maehara, Hiroyuki, Airapetian, Vladimir, Petit, Pascal, Notsu, Yuta & Shibata, Kazunari, TESS Science Conference III, p. 12
3. Multiwavelength observation of an active M-dwarf star EV Lacertae and its stellar flare accompanied by a delayed prominence eruption [23]
   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, Publications of the Astronomical Society of Japan, 76, 175
4. Multiwavelength Campaign Observations of a Young Solar-type Star, EK Draconis. I. Discovery of Prominence Eruptions Associated with Superflares [56]
   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, ApJ, 961, 23
5. Coronal Mass Ejections on Young Suns: Insights from Solar and Stellar Observations and Models [0]
   Namekata, Kosuke, Cool Stars 22, Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun, p. 38
6. Multiwavelength Campaign Observations of a Young Solar-type Star, EK Draconis. II. Understanding Prominence Eruption through Data-driven Modeling and Observed Magnetic Environment [12]
   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, ApJ, 976, 255
7. 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 [41]
   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, ApJ, 961, 189
8. Comparison of Solar Multifrequency Microwave Data with Other Solar Indices for Understanding Solar and Stellar Microwave Data [0]
   Shimojo, Masumi, Namekata, Kosuke, Iwai, Kazumasa, Asai, Ayumi & Watanabe, Kyoko, ApJ, 965, 170

2023

1. Energetic Superflare from a Young Solar Analog, DS Tucanae A, Observed with NICER [1]
   Dethero, Mary Geer, Hare, Jeremy, Airapetian, Vladimir S., Namekata, Kosuke, B. Coley, Joel, Ferrara, Elizabeth C. & Gendreau, Keith, Research Notes of the American Astronomical Society, 7, 203
2. Magnitude Estimates for the Carrington Flare in 1859 September: As Seen from the Original Records [22]
   Hayakawa, Hisashi, Bechet, Sabrina, Clette, Frédéric, Hudson, Hugh S., Maehara, Hiroyuki, Namekata, Kosuke & Notsu, Yuta, ApJ, 954, L3
3. Starspot Mapping with Adaptive Parallel Tempering. II. Application to TESS Data for M-dwarf Flare Stars AU Microscopii, YZ Canis Minoris, and EV Lacertae [34]
   Ikuta, Kai, Namekata, Kosuke, Notsu, Yuta, Maehara, Hiroyuki, Okamoto, Soshi, Honda, Satoshi, Nogami, Daisaku & Shibata, Kazunari, ApJ, 948, 64
4. Detection of a High-velocity Prominence Eruption Leading to a CME Associated with a Superflare on the RS CVn-type Star V1355 Orionis [34]
   Inoue, Shun, Maehara, Hiroyuki, Notsu, Yuta, Namekata, Kosuke, Honda, Satoshi, Namizaki, Keiichi, Nogami, Daisaku & Shibata, Kazunari, ApJ, 948, 9
5. Reconstructing the XUV Spectra of Active Sun-like Stars Using Solar Scaling Relations with Magnetic Flux [16]
   Namekata, Kosuke, Toriumi, Shin, Airapetian, Vladimir S., Shoda, Munehito, Watanabe, Kyoko & Notsu, Yuta, ApJ, 945, 147
6. A Superflare on YZ Canis Minoris Observed by the Seimei Telescope and TESS: Red Asymmetry of Hα Emission Associated with White-light Emission [26]
   Namizaki, Keiichi, Namekata, Kosuke, Maehara, Hiroyuki, Notsu, Yuta, Honda, Satoshi, Nogami, Daisaku & Shibata, Kazunari, ApJ, 945, 61

2022

1. 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 [34]
   Kowalski, Adam F., Allred, Joel C., Carlsson, Mats, Kerr, Graham S., Tremblay, Pier-Emmanuel, Namekata, Kosuke, Kuridze, David & Uitenbroek, Han, ApJ, 928, 190
2. Sun-as-a-star Analysis of Hα Spectra of a Solar Flare Observed by SMART/SDDI: Time Evolution of Red Asymmetry and Line Broadening [28]
   Namekata, Kosuke, Ichimoto, Kiyoshi, Ishii, Takako T. & Shibata, Kazunari, ApJ, 933, 209
3. A filament eruption and coronal mass ejection from a superflare on a young Sun-like star [0]
   Namekata, Kosuke, Maehara, Hiroyuki, Honda, Satoshi, Notsu, Yuta, Nogami, Daisaku & Shibata, Kazunari, The 21st Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun, Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun, p. 94
4. 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 [44]
   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, ApJ, 926, L5
5. Toward understanding stellar CME sources: Recent observational studies of stellar flares and (erupting) stellar prominences [0]
   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, The 21st Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun, Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun, p. 105
6. Sun-as-a-star Analyses of Various Solar Active Events Using Hα Spectral Images Taken by SMART/SDDI [39]
   Otsu, Takato, Asai, Ayumi, Ichimoto, Kiyoshi, Ishii, Takako T. & Namekata, Kosuke, ApJ, 939, 98
7. Universal Scaling Laws for Solar and Stellar Atmospheric Heating: Catalog of Power-law Index between Solar Activity Proxies and Various Spectral Irradiances [21]
   Toriumi, Shin, Airapetian, Vladimir S., Namekata, Kosuke & Notsu, Yuta, ApJS, 262, 46
8. Bridging the Gap between the Sun and Sun-Like Stars: Universal Atmospheric Heating Mechanism and Empirical Reproduction of XUV Spectra [0]
   Toriumi, Shin, Namekata, Kosuke, Airapetian, Vladimir S. & Notsu, Yuta, The 21st Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun, Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun, p. 38

2021

1. Starspot mapping with parallel tempering for M-dwarf flare stars [0]
   Ikuta, Kai, Maehara, Hiroyuki, Notsu, Yuta, Namekata, Kosuke, Kato, Taichi, Okamoto, Soshi, Notsu, Shota, Honda, Satoshi, Nogami, Daisaku & Shibata, Kazunari, Posters from the TESS Science Conference II (TSC2), p. 106
2. 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 [86]
   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, Publications of the Astronomical Society of Japan, 73, 44
3. 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 [0]
   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, 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
4. 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 [1]
   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, Posters from the TESS Science Conference II (TSC2), p. 16
5. Probable detection of an eruptive filament from a superflare on a solar-type star [132]
   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, Nature Astronomy, 6, 241
6. Detection of mass ejection from a superflare on a solar-type star [0]
   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, 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
7. Blue asymmetries in Balmer lines during mid M dwarf flares [0]
   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, 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
8. Blue asymmetries in Balmer lines during mid M dwarf flares [1]
   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, Posters from the TESS Science Conference II (TSC2), p. 118
9. Statistical Properties of Superflares on Solar-type Stars: Results Using All of the Kepler Primary Mission Data [1]
   Okamoto, Soshi, Notsu, Yuta, Maehara, Hiroyuki, Namekata, Kosuke, Ikuta, Kai, Nogami, Daisaku & Shibata, Kazunari, 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
10. Statistical Properties of Superflares on Solar-type Stars: Results Using All of the Kepler Primary Mission Data [99]
    Okamoto, Soshi, Notsu, Yuta, Maehara, Hiroyuki, Namekata, Kosuke, Honda, Satoshi, Ikuta, Kai, Nogami, Daisaku & Shibata, Kazunari, ApJ, 906, 72
11. Spectroscopic and photometric observations of dwarf nova superoutbursts by the 3.8 m telescope Seimei and the Variable Star Network [13]
    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, Publications of the Astronomical Society of Japan, 73, 753

2020

1. Starspot Mapping with Adaptive Parallel Tempering. I. Implementation of Computational Code [18]
   Ikuta, Kai, Maehara, Hiroyuki, Notsu, Yuta, Namekata, Kosuke, Kato, Taichi, Notsu, Shota, Okamoto, Soshi, Honda, Satoshi, Nogami, Daisaku & Shibata, Kazunari, ApJ, 902, 73
2. Optical and X-ray observations of stellar flares on an active M dwarf AD Leonis with the Seimei Telescope, SCAT, NICER, and OISTER [67]
   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, Publications of the Astronomical Society of Japan, 72, 68
3. Temporal Evolution of Spatially Resolved Individual Star Spots on a Planet-hosting Solar-type Star: Kepler-17 [34]
   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, ApJ, 891, 103

2019

1. The extreme space weather event in September 1909 [49]
   Hayakawa, Hisashi, Ebihara, Yusuke, Cliver, Edward W., Hattori, Kentaro, Toriumi, Shin, Love, Jeffrey J., Umemura, Norio, Namekata, Kosuke, Sakaue, Takahito, Takahashi, Takuya & Shibata, Kazunari, MNRAS, 484, 4083
2. Statistical properties of starspots on late-type main sequence stars and their correlation with flare activity [0]
   Maehara, Hiroyuki, Notsu, Yuta, Yamashiki, Yosuke Alexandre, Notsu, Shota, Namekata, Kosuke, Ikuta, Kai, Honda, Satoshi, Nogami, Daisaku & Shibata, Kazunari, The Astrobiology Science Conference (AbSciCon) 2019, p. 145-199
3. Lifetimes and Emergence/Decay Rates of Star Spots on Solar-type Stars Estimated by Kepler Data in Comparison with Those of Sunspots [72]
   Namekata, Kosuke, Maehara, Hiroyuki, Notsu, Yuta, Toriumi, Shin, Hayakawa, Hisashi, Ikuta, Kai, Notsu, Shota, Honda, Satoshi, Nogami, Daisaku & Shibata, Kazunari, ApJ, 871, 187
4. Statistical properties of superflares on solar-type stars - Latest results using Gaia-DR2 data - [0]
   Notsu, Yuta, Maehara, Hiroyuki, Honda, Satoshi, Hawley, Suzanne L., Davenport, James R. A., Namekata, Kosuke, Notsu, Shota, Ikuta, Kai, Nogami, Daisaku & Shibata, Kazunari, The Astrobiology Science Conference (AbSciCon) 2019, p. 111-2
5. Do Kepler Superflare Stars Really Include Slowly Rotating Sun-like Stars?—Results Using APO 3.5 m Telescope Spectroscopic Observations and Gaia-DR2 Data [169]
   Notsu, Yuta, Maehara, Hiroyuki, Honda, Satoshi, Hawley, Suzanne L., Davenport, James R. A., Namekata, Kosuke, Notsu, Shota, Ikuta, Kai, Nogami, Daisaku & Shibata, Kazunari, ApJ, 876, 58
6. Impact of Stellar Superflares on Planetary Habitability [51]
   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, ApJ, 881, 114

2018

1. Time-resolved spectroscopic observations of an M-dwarf flare star EV Lacertae during a flare [64]
   Honda, Satoshi, Notsu, Yuta, Namekata, Kosuke, Notsu, Shota, Maehara, Hiroyuki, Ikuta, Kai, Nogami, Daisaku & Shibata, Kazunari, Publications of the Astronomical Society of Japan, 70, 62
2. Statistical Study of Solar White-light Flares and Comparison with Superflares on Solar-type Stars [2]
   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, 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

2017

1. Starspot activity and superflares on solar-type stars [69]
   Maehara, Hiroyuki, Notsu, Yuta, Notsu, Shota, Namekata, Kosuke, Honda, Satoshi, Ishii, Takako T., Nogami, Daisaku & Shibata, Kazunari, Publications of the Astronomical Society of Japan, 69, 41
2. Validation of a scaling law for the coronal magnetic field strength and loop length of solar and stellar flares [17]
   Namekata, Kosuke, Sakaue, Takahito, Watanabe, Kyoko, Asai, Ayumi & Shibata, Kazunari, Publications of the Astronomical Society of Japan, 69, 7
3. Superoutburst of WZ Sge-type dwarf nova below the period minimum: ASASSN-15po [12]
   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, Publications of the Astronomical Society of Japan, 69, 2
4. Statistical Studies of Solar White-light Flares and Comparisons with Superflares on Solar-type Stars [154]
   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, ApJ, 851, 91

2016

1. Time Resolved Spectroscopic Observations of an M-Dwarf Flare Star EV Lac During a Flare. [0]
   Honda, Satoshi, Notsu, Yuta, Notsu, Shota, Maehara, Hiroyuki, Namekata, Kosuke, Nogami, Daisaku & Shibata, Kazunari, 19th Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun (CS19), Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun, p. 87
2. Statistical Properties Of Superflares On Solar-Type Stars With Kepler Data [8]
   Notsu, Yuta, Maehara, Hiroyuki, Shibayama, Takuya, Honda, Satoshi, Notsu, Shota, Namekata, Kosuke, Nogami, Daisaku & Shibata, Kazunari, 19th Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun (CS19), Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun, p. 119
3. High Dispersion Spectroscopy of Solar-Type Superflare Stars With Subaru/HDS [0]
   Notsu, Yuta, Honda, Satoshi, Maehara, Hiroyuki, Notsu, Shota, Shibayama, Takuya, Namekata, Kosuke, Nogami, Daisaku & Shibata, Kazunari, 19th Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun (CS19), Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun, p. 98