"J-GEM near-infrared follow-up observations of the gravitational wave event S240422ed"
Ichiro Takahashi, Tomoki Morokuma, Masaomi Tanaka, Mahito Sasada, Hiroshi Akitaya, Ichi Tanaka, Nozomu Tominaga, Michitoshi Yoshida, Yousuke Utsumi, Ryosuke Itoh, Kyohei Kawaguchi, the J-GEM collaboration