First Emulsion γ-Ray Telescope Imaging of the Vela Pulsar by the GRAINE 2018 Balloon-borne Experiment oleh Satoru Takahashi, Shigeki Aoki, Atsushi Iyono, Ayaka Karasuno, Kohichi Kodama, Ryosuke Komatani, Masahiro Komatsu, Masahiro Komiyama, Kenji Kuretsubo, Toshitsugu Marushima, Syota Matsuda, Kunihiro Morishima, Misaki Morishita, Naotaka Naganawa, Mitsuhiro Nakamura, Motoya Nakamura, Takafumi Nakamura, Yuya Nakamura, Noboru Nakano, Toshiyuki Nakano, Kazuma Nakazawa, Akira Nishio, Miyuki Oda, Hiroki Rokujo, Osamu Sato, Kou Sugimura, Atsumu Suzuki, Mayu Torii, Saya Yamamoto, Masahiro Yoshimoto