OGLE-2015-BLG-0845L: a low-mass M dwarf from the microlensing parallax and xallarap effects

Hu, Zhecheng and Zhu, Wei and Gould, Andrew and Udalski, Andrzej and Sumi, Takahiro and Chen, Ping and Calchi Novati, Sebastiano and Yee, Jennifer C. and Beichman, Charles A. and Bryden, Geoffery and Carey, Sean and Fausnaugh, Michael and Gaudi, B. Scott and Henderson, Calen B. and Shvartzvald, Yossi and Wibking, Benjamin and Mróz, Przemek and Skowron, Jan and Poleski, Radosław and Szymański, Michał K. and Soszyński, Igor and Pietrukowicz, Paweł and Kozłowski, Szymon and Ulaczyk, Krzysztof and Rybicki, Krzysztof A. and Iwanek, Patryk and Wrona, Marcin and Gromadzki, Mariusz and Abe, Fumio and Barry, Richard and Bennett, David P. and Bhattacharya, Aparna and Bond, Ian A. and Fujii, Hirosane and Fukui, Akihiko and Hamada, Ryusei and Hirao, Yuki and Silva, Stela Ishitani and Itow, Yoshitaka and Kirikawa, Rintaro and Koshimoto, Naoki and Matsubara, Yutaka and Miyazaki, Shota and Muraki, Yasushi and Olmschenk, Greg and Ranc, Clément and Rattenbury, Nicholas J. and Satoh, Yuki and Suzuki, Daisuke and Tomoyoshi, Mio and Tristram, Paul J. and Vandorou, Aikaterini and Yama, Hibiki and Yamashita, Kansuke

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