MOA-2016-BLG-319Lb: Microlensing Planet Subject to Rare Minor-image Perturbation Degeneracy in Determining Planet Parameters

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Title

MOA-2016-BLG-319Lb: Microlensing Planet Subject to Rare Minor-image Perturbation Degeneracy in Determining Planet Parameters

Content partner

The University of Auckland Library

Collection

ResearchSpace@Auckland

Description

We present the analysis of the planetary microlensing event MOA-2016-BLG-319. The event light curve is characterized by a brief (∼3 days) anomaly near the peak produced by minor-image perturbations. From modeling, we find two distinct solutions that describe the observed light curve almost equally as well. From the investigation of the lens-system configurations, we find that the confusion in the lensing solution is caused by the degeneracy between the two solutions resulting from the source ...

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Format

Research paper

Research format

Journal article

Date created

2018-11-01

Creator

Han, Cheongho / Bond, Ian A / Gould, Andrew / Albrow, Michael D / Chung, Sun-Ju / Jung, Youn Kil / Hwang, Kyu-Ha / Lee, Chung-Uk / Ryu, Yoon-Hyun / Shin, In-Gu / Shvartzvald, Yossi / Yee, Jennifer C / Cha, Sang-Mok / Kim, Dong-Jin / Kim, Hyoun-Woo / Kim, Seung-Lee / Lee, Dong-Joo / Lee, Yongseok / Park, Byeong-Gon / Pogge, Richard W / Kim, Chun-Hwey / Abe, Fumio / Barry, Richard / Bennett, David P / Bhattacharya, Aparna / Donachie, Martin / Fukui, Akihiko / Hirao, Yuki / Itow, Yoshitaka / Kawasaki, Kohei / 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 / Sumi, Takahiro / Suzuki, Daisuke / Tristram, Paul J / Yonehara, Atsunori

URL

https://hdl.handle.net/2292/63105

Related subjects

Science & Technology / Physical Sciences / Astronomy & Astrophysics / gravitational lensing: micro / planetary systems / GALACTIC BULGE / GRAVITATIONAL LENS / MASS FUNCTION / EVENTS / CAUSTICS / DWARF / PARALLAXES / PHOTOMETRY / SYSTEMS / STARS / astro-ph.EP / 0201 Astronomical and Space Sciences

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