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  Korea Microlensing Telescope Network Microlensing Events from 2015: Event-finding Algorithm, Vetting, and Photometry

Kim, D.-.-J., Kim, H.-.-W., Hwang, K.-.-H., Albrow, M. D., Chung, S.-.-J., Gould, A., et al. (2018). Korea Microlensing Telescope Network Microlensing Events from 2015: Event-finding Algorithm, Vetting, and Photometry. The Astronomical Journal, 155.

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Item Permalink: https://hdl.handle.net/21.11116/0000-0005-CCD6-4 Version Permalink: https://hdl.handle.net/21.11116/0000-0005-CCD7-3
Genre: Journal Article

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https://ui.adsabs.harvard.edu/abs/2018AJ....155...76K (Any fulltext)
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 Creators:
Kim, D. -J.1, Author
Kim, H. -W.1, Author
Hwang, K. -H.1, Author
Albrow, M. D.1, Author
Chung, S. -J.1, Author
Gould, A.1, Author
Han, C.1, Author
Jung, Y. K.1, Author
Ryu, Y. -H.1, Author
Shin, I. -G.1, Author
Yee, J. C.1, Author
Zhu, W.1, Author
Cha, S. -M.1, Author
Kim, S. -L.1, Author
Lee, C. -U.1, Author
Lee, D. -J.1, Author
Lee, Y.1, Author
Park, B. -G.1, Author
Pogge, R. W.1, Author
Collaboration, KMTNet1, Author
Affiliations:
1Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners, ou_2421692              

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Free keywords: gravitational lensing: micro methods: numerical planetary systems Astrophysics - Earth and Planetary Astrophysics Astrophysics - Instrumentation and Methods for Astrophysics
 Abstract: We present microlensing events in the 2015 Korea Microlensing Telescope Network (KMTNet) data and our procedure for identifying these events. In particular, candidates were detected with a novel “completed-event” microlensing event-finder algorithm. The algorithm works by making linear fits to a ({t}0,{t}{eff},{u}0) grid of point-lens microlensing models. This approach is rendered computationally efficient by restricting u 0 to just two values (0 and 1), which we show is quite adequate. The implementation presented here is specifically tailored to the commission-year character of the 2015 data, but the algorithm is quite general and has already been applied to a completely different (non-KMTNet) data set. We outline expected improvements for 2016 and future KMTNet data. The light curves of the 660 “clear microlensing” and 182 “possible microlensing” events that were found in 2015 are presented along with our policy for their public release.

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 Dates: 2018
 Publication Status: Issued
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Title: The Astronomical Journal
Source Genre: Journal
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Pages: - Volume / Issue: 155 Sequence Number: - Start / End Page: - Identifier: -