OGLE-2017-BLG-1186: first application of asteroseismology and Gaussian processes to microlensing

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Title

OGLE-2017-BLG-1186: first application of asteroseismology and Gaussian processes to microlensing

Content partner

The University of Auckland Library

Collection

ResearchSpace@Auckland

Description

AbstractWe present the analysis of the event OGLE-2017-BLG-1186 from the 2017 Spitzer microlensing campaign. This is a remarkable microlensing event because its source is photometrically bright and variable, which makes it possible to perform an asteroseismic analysis using ground-based data. We find that the source star is an oscillating red giant with average time-scale of ∼9 d. The asteroseismic analysis also provides us source properties including the source angular size (∼27 $\mu$as) and...

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Format

Research paper

Research format

Journal article

Date created

2019-09-21

Creator

Li, S-S / Zang, W / Udalski, A / Shvartzvald, Y / Huber, D / Lee, C-U / Sumi, T / Gould, A / Mao, S / Fouqué, P / Wang, T / Dong, S / Jørgensen, UG / Cole, A / Mróz, P / Szymański, MK / Skowron, J / Poleski, R / Soszyński, I / Pietrukowicz, P / Kozłowski, S / Ulaczyk, K / Rybicki, KA / Iwanek, P / Yee, JC / Novati, S Calchi / Beichman, CA / Bryden, G / Carey, S / Gaudi, BS / Henderson, CB / Zhu, W / Albrow, MD / Chung, S-J / Han, C / Hwang, K-H / Jung, YK / Ryu, Y-H / Shin, I-G / Cha, S-M / Kim, D-J / Kim, H-W / Kim, S-L / Lee, D-J / Lee, Y / Park, B-G / Pogge, RW / Bond, IA / Abe, F / Barry, R / Bennett, DP / Bhattacharya, A / Donachie, M / Fukui, A / Hirao, Y / Itow, Y / Kondo, I / Koshimoto, N / Li, MCA / Matsubara, Y / Muraki, Y / Miyazaki, S / Nagakane, M / Ranc, C / Rattenbury, NJ / Suematsu, H / Sullivan, DJ / Suzuki, D / Tristram, PJ / Yonehara, A / Christie, G / Drummond, J / Green, J / Hennerley, S / Natusch, T / Porritt, I / Bachelet, E / Maoz, D / Street, RA / Tsapras, Y / Bozza, V / Dominik, M / Hundertmark, M / Peixinho, N / Sajadian, S / Burgdorf, MJ / Evans, DF / Jaimes, R Figuera / Fujii, YI / Haikala, LK / Helling, C / Henning, T / Hinse, TC / Mancini, L / Longa-Peña, P / Rahvar, S / Rabus, M / Skottfelt, J / Snodgrass, C / Southworth, J / Unda-Sanzana, E / von Essen, C / Beaulieu, J-P / Blackman, J / Hill, K

URL

https://hdl.handle.net/2292/63423

Related subjects

Science & Technology / Physical Sciences / Astronomy & Astrophysics / asteroseismology / gravitational lensing: micro / stars: fundamental parameters / stars: oscillations / SURFACE BRIGHTNESS RELATIONS / STELLAR OSCILLATIONS / PLANET PHOTOMETRY / ANGULAR SIZES / DWARF STARS / SYSTEMS / SUBGIANTS / DISTANCES / STANDARD / PROGRAM / astro-ph.SR / astro-ph.EP / 0201 Astronomical and Space Sciences

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