Spitzer Microlensing parallax reveals two isolated stars in the Galactic bulge

Autor: Zang, Weicheng, Shvartzvald, Yossi, Wang, Tianshu, Udalski, Andrzej, Lee, Chung-Uk, Sumi, Takahiro, Skottfelt, Jesper, Li, Shun-Sheng, Mao, Shude, Zhu, Wei, Yee, Jennifer C., Novati, Sebastiano Calchi, Beichman, Charles A., Bryden, Geoffery, Carey, Sean, Gaudi, B. Scott, Henderson, Calen B., Mróz, Przemek, Skowron, Jan, Poleski, Radoslaw, Szymański, Michał K., Soszyński, Igor, Pietrukowicz, Paweł, Kozłowski, Szymon, Ulaczyk, Krzysztof, Rybicki, Krzysztof A., Iwanek, Patryk, Bachelet, Etienne, Christie, Grant, Green, Jonathan, Hennerley, Steve, Maoz, Dan, Natusch, Tim, Pogge, Richard W., Street, Rachel A., Tsapras, Yiannis, Albrow, Michael D., Chung, Sun-Ju, Gould, Andrew, Han, Cheongho, Hwang, Kyu-Ha, Jung, Youn Kil, Ryu, Yoon-Hyun, Shin, In-Gu, Cha, Sang-Mok, Kim, Dong-Jin, Kim, Hyoun-Woo, Kim, Seung-Lee, Lee, Dong-Joo, Lee, Yongseok, Park, Byeong-Gon, Bond, Ian A., be, Fumio, Barry, Richard, Bennett, David P., Bhattacharya, Aparna, Donachie, Martin, Fukui, Akihiko, Hirao, Yuki, Itow, Yoshitaka, Kondo, Iona, Koshimoto, Naoki, Li, Man Cheung Alex, Matsubara, Yutaka, Muraki, Yasushi, Miyazaki, Shota, Nagakane, Masayuki, Ranc, Clément, Rattenbury, Nicholas J., Suematsu, Haruno, Sullivan, Denis J., Suzuki, Daisuke, Tristram, Paul J., Yonehara, Atsunori, Dominik, Martin, Hundertmark, Markus, Jørgensen, Uffe G., Rahvar, Sohrab, Sajadian, Sedighe, Snodgrass, Colin, Bozza, Valerio, Burgdorf, Martin J., Evans, Daniel F., Jaimes, Roberto Figuera, Fujii, Yuri I., Mancini, Luigi, Longa-Peña, Penelope, Helling, hristiane, Peixinho, Nuno, Rabus, Markus, Southworth, John, Unda-Sanzana, Eduardo, von Essen, Carolina

We report the mass and distance measurements of two single-lens events from the 2017 Spitzer microlensing campaign. The ground-based observations yield the detection of finite-source effects, and the microlens parallaxes are derived from the joint an

Externí odkaz: http://arxiv.org/abs/1904.11204