*Yuri Shimaki¹, Hiroki Senshu², Naoya Sakatani¹, Tatsuaki Okada^1,3, Tetsuya Fukuhara⁴, Satoshi Tanaka¹, Makoto Taguchi⁴, Takehiko Arai⁵, Hirohide Demura⁶, Yoshiko Ogawa⁶, Kentaro Suko⁶, Tomohiko Sekiguchi⁷, Toru Kouyama⁸, Jun Takita⁹, Tsuneo Matsunaga¹⁰, Takeshi Imamura³, Takehiko Wada¹, Sunao Hasegawa¹ (1.Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency, 2.Chiba Institute of Technology, 3.University of Tokyo, 4.Rikkyo University, 5.Ashikaga University, 6.University of Aizu, 7.Hokkaido University of Education, 8.National Institute of Advanced Industrial Science and Technology, 9.Hokkaido Kitami Hokuto High School, 10.National Institute for Environmental Studies)

*Tatsuaki Okada^1,2, Tetsuya Fukuhara³, Satoshi Tanaka¹, Makoto Taguchi³, Takehiko Arai⁴, Naoya Sakatani¹, Yuri Shimaki¹, Hiroki Senshu⁵, Yoshiko Ogawa⁶, Hirohide Demura⁶, Kentaro Suko⁶, Kohei Kitazato⁶, Toru Kouyama⁷, Tomohiko Sekiguchi⁸, Jun Takita⁹, Sunao Hasegawa¹, Tsuneo Matsunaga¹⁰, Takehiko Wada¹, Takeshi Imamura², Jorn Helbert¹¹, Thomas G. Mueller¹², Axel Hagermann¹³, Jens Biele¹¹, Matthias Grott¹¹, Maximiliam Hamm¹¹, Marco Delbo¹⁴, Yukio Yamamoto¹, Naru Hirata⁶, Naoyuki Hirata¹⁵, Fuyuto Terui¹, Takanao Saiki¹, Satoru Nakazawa¹, Makoto Yoshikawa¹, Sei-ichiro WATANABE^1,16, Yuichi Tuda¹ (1.Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency, 2.University of Tokyo, 3.Rikkyo University, 4.Ashikaga University, 5.Chiba Institute of Technology, 6.University of Aizu, 7.National Institute of Advanced Industrial Science and Technology, 8.Hokkaido University of Education, 9.Hokkaido Kitami-Hokuto High School, 10.National Institute for Environmental Studies, 11.German Aerospace Center, 12.Max-Planck Institute for Extraterrestrial Physics, 13.University of Stirling, 14.Observatoire de la Côte d'Azur, 15.Kobe University, 16.Nagoya University)

*Takehiko Arai¹, Hirohide Demura², Toru Kouyama⁷, Naoya Sakatani³, Kentaro Suko², Yuri Shimaki³, Hiroki Senshu⁵, Tomohiko Sekiguchi⁶, Yoshiko Ogawa², Sunao Hasegawa³, Takehiko Wada³, Takeshi Imamura¹⁰, Tsuneo Matsunaga⁹, Jun Takita⁸, Kohei Kitazato², Makoto Taguchi⁴, Tetsuya Fukuhara⁴, Satoshi Tanaka³, Tatsuaki Okada³ (1.Ashikaga University, 2.The University of Aizu, 3.Japan Aerospace Exploration Agency (JAXA), 4.Rikkyo University, 5.Chiba Institute of Technology, 6.Hokkaido University of Education, 7.National Institute of Advanced Industrial Science and Technology (AIST), 8.Hokkaido Kitami Hokuto High School, 9.National Institute for Environmental Studies (NIES), 10.The University of Tokyo)

*Tatsuro Kobayashi¹, Kentaro Suko¹, Hirohide Demura¹, Yoshiko Ogawa¹, Takehiko Arai², Naoya Sakatani³, Tatsuaki Okada³, Satoshi Tanaka³, Tetsuya Fukuhara⁴ (1.The University of Aizu, 2.Ashikaga University, 3.Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency, 4.Rikkyo University)

*Tatsuaki Okada^1,2, Tetsuya Fukuhara³, Satoshi Tanaka¹, Makoto Taguchi³, Takehiko Arai⁴, Naoya Sakatani¹, Yuri Shimaki¹, Hiroki Senshu⁵, Yoshiko Ogawa⁶, Hirohide Demura⁶, Kentaro Suko⁶, Kohei Kitazato⁶, Toru Kouyama⁷, Tomohiko Sekiguchi⁸, Jun Takita⁹, Sunao Hasegawa¹, Tsuneo Matsunaga¹⁰, Takehiko Wada¹, Takeshi Imamura², Jorn Helbert¹¹, Thomas G. Mueller¹², Axel Hagermann¹³, Jens Biele¹¹, Matthias Grott¹¹, Maximiliam Hamm¹¹, Marco Delbo¹⁴, Yukio Yamamoto¹, Naru Hirata⁶, Naoyuki Hirata¹⁵, Fuyuto Terui¹, Takanao Saiki¹, Satoru Nakazawa¹, Makoto Yoshikawa¹, Sei-ichiro WATANABE^1,16, Yuichi Tuda¹ (1.Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency, 2.University of Tokyo, 3.Rikkyo University, 4.Ashikaga University, 5.Chiba Institute of Technology, 6.University of Aizu, 7.National Institute of Advanced Industrial Science and Technology, 8.Hokkaido University of Education, 9.Hokkaido Kitami-Hokuto High School, 10.National Institute for Environmental Studies, 11.German Aerospace Center, 12.Max-Planck Institute for Extraterrestrial Physics, 13.University of Stirling, 14.Observatoire de la Côte d'Azur, 15.Kobe University, 16.Nagoya University)

*Takehiko Arai¹, Hirohide Demura², Toru Kouyama⁷, Naoya Sakatani³, Kentaro Suko², Yuri Shimaki³, Hiroki Senshu⁵, Tomohiko Sekiguchi⁶, Yoshiko Ogawa², Sunao Hasegawa³, Takehiko Wada³, Takeshi Imamura¹⁰, Tsuneo Matsunaga⁹, Jun Takita⁸, Kohei Kitazato², Makoto Taguchi⁴, Tetsuya Fukuhara⁴, Satoshi Tanaka³, Tatsuaki Okada³ (1.Ashikaga University, 2.The University of Aizu, 3.Japan Aerospace Exploration Agency (JAXA), 4.Rikkyo University, 5.Chiba Institute of Technology, 6.Hokkaido University of Education, 7.National Institute of Advanced Industrial Science and Technology (AIST), 8.Hokkaido Kitami Hokuto High School, 9.National Institute for Environmental Studies (NIES), 10.The University of Tokyo)

*Tatsuro Kobayashi¹, Kentaro Suko¹, Hirohide Demura¹, Yoshiko Ogawa¹, Takehiko Arai², Naoya Sakatani³, Tatsuaki Okada³, Satoshi Tanaka³, Tetsuya Fukuhara⁴ (1.The University of Aizu, 2.Ashikaga University, 3.Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency, 4.Rikkyo University)

*Yuya Matsubara¹, Hironori Fukuchi¹, Yoshiko Ogawa¹, Yohei Hayashi² (1.The University of Aizu, 2.National Astronomical Observatory of Japan)

*Yuya Matsubara¹, Hironori Fukuchi¹, Yoshiko Ogawa¹, Yohei Hayashi² (1.The University of Aizu, 2.National Astronomical Observatory of Japan)

*Yuzuru Karouji¹, Hiroshi Nagaoka¹, Yoshiaki Ishihara², Masahiro KAYAMA³, Satoru Yamamoto⁴, Nobuyuki Hasebe⁵, Ko Hashizume⁶, Yoshiko Ogawa⁷, Toru Yada¹, Junichi Haruyama¹, Masanao Abe¹, Makiko Ohtake¹, HERACLES Science Working Group, HERACLES International Science Definition Team (1.Japan Aerospace Exploration Agency, 2.National Institute for Environmental Studies, 3.Faculty of Science, Tohoku University, 4.J-spacesystems, 5.Advanced Research Institute for Science and Engineering, Waseda University, 6.Faculty of Science, Ibaraki University, 7.The University of Aizu)

*Yurika Iwabuchi¹, Yoshiko Ogawa¹ (1.The University of Aizu)

*Yurika Iwabuchi¹, Yoshiko Ogawa¹ (1.The University of Aizu)

*Kana Abe¹, Yoshiko Ogawa¹, Yasuhiro Hisada¹, Hirohide Demura¹, Taku Ozawa², Satoshi Miura³, Akira Kusakabe¹, Takehiro Arai¹ (1.The University of Aizu, 2.National Research Institute for Earth Science and Disaster Resilience, 3.Graduate School of Science, Tohoku University)

*Kana Abe¹, Yoshiko Ogawa¹, Yasuhiro Hisada¹, Hirohide Demura¹, Taku Ozawa², Satoshi Miura³, Akira Kusakabe¹, Takehiro Arai¹ (1.The University of Aizu, 2.National Research Institute for Earth Science and Disaster Resilience, 3.Graduate School of Science, Tohoku University)