2023 KMTNet 微镜行星大规模制造I：低质量比

Yoon-Hyun Ryu; Andrzej Udalski; Hongjing Yang; Kyu-Ha Hwang; Weicheng Zang; Yang Huang; Andrew Gould; Michael D. Albrow; Ping Chen; Sun-Ju Chung; Subo Dong; Cheongho Han; Youn Kil Jung; In-Gu Shin; Yossi Shvartzvald; Jennifer C. Yee; Sang-Mok Cha; Dong-Jin Kim; Seung-Lee Kim; Chung-Uk Lee; Dong-Joo Lee; Yongseok Lee; Byeong-Gon Park; Richard W. Pogge; Przemek Mroz; Radoslaw Poleski; Jan Skowron; Michal K. Szymanski; Igor Soszynski; Pawel Pietrukowicz; Szymon Kozlowsk; Krzysztof Ulaczyk; Krzysztof A. Rybicki; Patryk Iwanek; Marcin Wrona; Mariusz Gromadzki; Mateusz J. Mroz

2023 KMTNet 微镜行星大规模制造I：低质量比

地球与行星天体物理 2026-03-11 v1 星系天体物理

作者: Yoon-Hyun Ryu , Andrzej Udalski , Hongjing Yang , Kyu-Ha Hwang , Weicheng Zang , Yang Huang , Andrew Gould , Michael D. Albrow , Ping Chen , Sun-Ju Chung , Subo Dong , Cheongho Han , Youn Kil Jung , In-Gu Shin , Yossi Shvartzvald , Jennifer C. Yee , Sang-Mok Cha , Dong-Jin Kim , Seung-Lee Kim , Chung-Uk Lee , Dong-Joo Lee , Yongseok Lee , Byeong-Gon Park , Richard W. Pogge , Przemek Mroz , Radoslaw Poleski , Jan Skowron , Michal K. Szymanski , Igor Soszynski , Pawel Pietrukowicz , Szymon Kozlowsk , Krzysztof Ulaczyk , Krzysztof A. Rybicki , Patryk Iwanek , Marcin Wrona , Mariusz Gromadzki , Mateusz J. Mroz

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摘要

我们启动对韩国微镜望远镜网络（KMTNet）2023年数据的系统性行星搜索，聚焦于由KMTNet AnomalyFinder发现的、初始质量比估计值较低（ $q<2\times 10^{-4}$ ）的行星。该年度是首个对所有事件进行重新标定后再进行AnomalyFinder搜索的季节，可能提高了对行星的灵敏度。我们发现三个强烈的低 $q$ 行星候选星：KMT-2023-BLG-0164（ $q\sim 1.3\times 10^{-4}$ ），KMT-2023-BLG-1286（ $q\sim 1.9\times 10^{-4}$ ），以及KMT-2023-BLG-1746（ $q\sim 8\times 10^{-5}$ ）。KMT-2023-BLG-0164值得注意，其源星投影于一颗非常亮的前景星（ $I=16.0$ ），该前景星要么是行星的宿主，要么（更可能）是宿主的伴侣。我们获得了光谱，发现其质量和距离分别为 $M\sim 1.0\,M_\odot$ 和 $D\sim 1.5$ 千帕，后者不论光谱目标是宿主还是其伴侣，都是镜头距离（ $D_L$ ）。我们还分析了另外两个候选星KMT-2023-BLG-0614和KMT-2023-BLG-1593，它们因难以解释为非行星事件而不太可能进入统计样本中。

关键词

微镜系外行星探测质量比 KMTNet AnomalyFinder

引用

@article{arxiv.2603.09239,
  title  = {Mass Production of 2023 KMTNet Microlensing Planets I: Low Mass Ratio},
  author = {Yoon-Hyun Ryu and Andrzej Udalski and Hongjing Yang and Kyu-Ha Hwang and Weicheng Zang and Yang Huang and Andrew Gould and Michael D. Albrow and Ping Chen and Sun-Ju Chung and Subo Dong and Cheongho Han and Youn Kil Jung and In-Gu Shin and Yossi Shvartzvald and Jennifer C. Yee and Sang-Mok Cha and Dong-Jin Kim and Seung-Lee Kim and Chung-Uk Lee and Dong-Joo Lee and Yongseok Lee and Byeong-Gon Park and Richard W. Pogge and Przemek Mroz and Radoslaw Poleski and Jan Skowron and Michal K. Szymanski and Igor Soszynski and Pawel Pietrukowicz and Szymon Kozlowsk and Krzysztof Ulaczyk and Krzysztof A. Rybicki and Patryk Iwanek and Marcin Wrona and Mariusz Gromadzki and Mateusz J. Mroz},
  journal= {arXiv preprint arXiv:2603.09239},
  year   = {2026}
}

备注

74 oages, 21 figures, 13 tables, accepted for publication in AJ

2023 KMTNet 微镜行星大规模制造I：低质量比

摘要

关键词

引用

备注

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