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Journal Articles Astronomy and Astrophysics - A&A Year : 2022

Systematic KMTNet planetary anomaly search. V. Complete sample of 2018 prime-field

Andrew Gould
  • Function : Author
Cheongho Han
  • Function : Author
Weicheng Zang
  • Function : Author
Hongjing Yang
  • Function : Author
Kyu-Ha Hwang
  • Function : Author
Andrzej Udalski
  • Function : Author
Ian A. Bond
  • Function : Author
Michael D. Albrow
  • Function : Author
Sun-Ju Chung
  • Function : Author
Youn Kil Jung
  • Function : Author
Yoon-Hyun Ryu
  • Function : Author
In-Gu Shin
  • Function : Author
Yossi Shvartzvald
  • Function : Author
Jennifer C. Yee
  • Function : Author
Sang-Mok Cha
  • Function : Author
Dong-Jin Kim
  • Function : Author
Hyoun-Woo Kim
  • Function : Author
Seung-Lee Kim
  • Function : Author
Chung-Uk Lee
  • Function : Author
Dong-Joo Lee
  • Function : Author
Yongseok Lee
  • Function : Author
Byeong-Gon Park
  • Function : Author
Richard W. Pogge
  • Function : Author
Przemek Mróz
  • Function : Author
Michał K. Szymański
  • Function : Author
Jan Skowron
  • Function : Author
Radek Poleski
  • Function : Author
Igor Soszyński
  • Function : Author
Paweł Pietrukowicz
  • Function : Author
Szymon Kozłowski
  • Function : Author
Krzysztof Ulaczyk
  • Function : Author
Krzysztof A. Rybicki
  • Function : Author
Patryk Iwanek
  • Function : Author
Marcin Wrona
  • Function : Author
Fumio Abe
  • Function : Author
Richard Barry
  • Function : Author
David P. Bennett
  • Function : Author
Aparna Bhattacharya
  • Function : Author
Hirosame Fujii
  • Function : Author
Akihiko Fukui
  • Function : Author
Yuki Hirao
  • Function : Author
Stela Ishitani Silva
  • Function : Author
Rintaro Kirikawa
  • Function : Author
Iona Kondo
  • Function : Author
Naoki Koshimoto
  • Function : Author
Yutaka Matsubara
  • Function : Author
Sho Matsumoto
  • Function : Author
Shota Miyazaki
  • Function : Author
Yasushi Muraki
  • Function : Author
Arisa Okamura
  • Function : Author
Greg Olmschenk
  • Function : Author
Nicholas J. Rattenbury
  • Function : Author
Yuki Satoh
  • Function : Author
Takahiro Sumi
  • Function : Author
Daisuke Suzuki
  • Function : Author
Taiga Toda
  • Function : Author
Paul J. Tristram
  • Function : Author
Aikaterini Vandorou
  • Function : Author
Hibiki Yama
  • Function : Author
Charles Beichman
  • Function : Author
Geoffry Bryden
  • Function : Author
Sebastiano Calchi Novati
  • Function : Author
B. Scott Gaudi
  • Function : Author
Calen B. Henderson
  • Function : Author
Matthew T. Penny
  • Function : Author
Savannah Jacklin
  • Function : Author
Keivan G. Stassun
  • Function : Author

Abstract

We complete the analysis of all 2018 prime-field microlensing planets identified by the Korea Microlensing Telescope Network (KMTNet) Anomaly Finder. Among the ten previously unpublished events with clear planetary solutions, eight are either unambiguously planetary or are very likely to be planetary in nature: OGLE-2018-BLG-1126, KMT-2018-BLG-2004, OGLE-2018-BLG-1647, OGLE-2018-BLG-1367, OGLE-2018-BLG-1544, OGLE-2018-BLG-0932, OGLE-2018-BLG-1212, and KMT-2018-BLG-2718. Combined with the four previously published new Anomaly Finder events and 12 previously published (or in preparation) planets that were discovered by eye, this makes a total of 24 2018 prime-field planets discovered or recovered by Anomaly Finder. Together with a paper in preparation on 2018 subprime planets, this work lays the basis for the first statistical analysis of the planet mass-ratio function based on planets identified in KMTNet data. By systematically applying the heuristic analysis to each event, we identified the small modification in their formalism that is needed to unify the so-called close-wide and inner-outer degeneracies.
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insu-03839659 , version 1 (04-11-2022)

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Andrew Gould, Cheongho Han, Weicheng Zang, Hongjing Yang, Kyu-Ha Hwang, et al.. Systematic KMTNet planetary anomaly search. V. Complete sample of 2018 prime-field. Astronomy and Astrophysics - A&A, 2022, 664, ⟨10.1051/0004-6361/202243744⟩. ⟨insu-03839659⟩
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