Spitzer Microlensing of MOA-2016-BLG-231L: A Counter-rotating Brown Dwarf Binary in the Galactic Disk

Chung, Sun-Ju and Gould, Andrew and Skowron, Jan and Bond, Ian A. and Zhu, Wei and Albrow, Michael D. and Jung, Youn Kil and Han, Cheongho and Hwang, Kyu-Ha and Ryu, Yoon-Hyun and Shin, In-Gu and Shvartzvald, Yossi and Yee, Jennifer C. and Zang, Weicheng and Cha, Sang-Mok and Kim, Dong-Jin and Kim, Hyoun-Woo and Kim, Seung-Lee and Kim, Yun-Hak and Lee, Chung-Uk and Lee, Dong-Joo and Lee, Yongseok and Park, Byeong-Gon and Pogge, Richard W. and KMTNet Collaboration and Udalski, Andrzej and Poleski, Radek and Mróz, Przemek and Pietrukowicz, Paweł and Szymański, Michał K. and Soszyński, Igor and Kozłowski, Szymon and Ulaczyk, Krzysztof and Pawlak, Michał and OGLE Collaboration and Beichman, Charles A. and Bryden, Geoffery and Calchi Novati, Sebastiano and Carey, Sean and Gaudi, B. Scott and Henderson, Calen B. and Spitzer Team and Abe, Fumio and Barry, Richard and Bennett, David P. and Bhattacharya, Aparna and Donachie, Martin and Fukui, Akihiko and Hirao, Yuki and Itow, Yoshitaka and Kawasaki, Kohei and Kondo, Iona and Koshimoto, Naoki and Li, Man Cheung Alex and Matsubara, Yutaka and Muraki, Yasushi and Miyazaki, Shota and Nagakane, Masayuki and Ranc, Clément and Rattenbury, Nicholas J. and Suematsu, Haruno and Sullivan, Denis J. and Sumi, Takahiro and Suzuki, Daisuke and Tristram, Paul J. and Yonehara, Atsunori and MOA colllaboration

ApJ