@article{CTT100909689,
  author = {Masafumi Niwano and Katsuhiro L. Murata and Naohiro Ito and Yoichi Yatsu and Nobuyuki Kawai},
  title = {Optical and X-ray variations during five outbursts of Aql X-1 in 3.6 yr from 2016},
  journal = {Monthly Notices of the Royal Astronomical Society},
  year = 2023,
}

@inproceedings{CTT100909693,
  author = {庭野聖史 and 村田勝寛 and 河合誠之 and 細川稜平 and 谷津陽一 and 伊藤尚泰 and 花山秀和 and 堀内貴史 and 中岡竜也 and 今澤遼 and 川端弘治 and MAXI チーム},
  title = {中性子星 X 線連星 Aql X-1 の X 線及び可視光変動の研究(2)},
  booktitle = {日本天文学会2023年春季年会講演予稿集},
  year = 2023,
}