Search Results - Cheongho Han

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  1. 1

    Cepstrum Analysis of Terrestrial Impact Crater Records by Heon-Young Chang, Cheongho Han

    Published in Journal of Astronomy and Space Sciences (2008-06-01)
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  2. 2

    Vertical Shear Instability in Thermally Stratified Protoplanetary Disks. II. Hydrodynamic Simulations and Observability by Han-Gyeol Yun, Woong-Tae Kim, Jaehan Bae, Cheongho Han

    Published in The Astrophysical Journal (2025-01-01)
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  3. 3

    Vertical Shear Instability in Thermally Stratified Protoplanetary Disks. I. A Linear Stability Analysis by Han-Gyeol Yun, Woong-Tae Kim, Jaehan Bae, Cheongho Han

    Published in The Astrophysical Journal (2025-01-01)
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  4. 4

    UY Ursae Majoris: An A-Subtype W UMa System with a Very Large Fill-Out Factor and an Extreme Mass Ratio by Chun-Hwey Kim, Mi-Hwa Song, Jang-Ho Park, Min-Ji Jeong, Hye-Young Kim, Cheongho Han

    Published in Journal of Astronomy and Space Sciences (2019-12-01)
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  5. 5

    Detection of Variable Stars in the Open Cluster M11 Using Difference Image Analysis Pipeline by Chung-Uk Lee, Jae-Rim Koo, Seung-Lee Kim, Seung-Lee Kim, Byeong-Gon Park, Cheongho Han

    Published in Journal of Astronomy and Space Sciences (2010-12-01)
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  6. 6

    Improved Period Variations of 32 Contact Binaries with Rapidly Decreasing Periods in the Galactic Bulge by Kyeongsoo Hong, Jae Woo Lee, Dong-Jin Kim, Jang-Ho Park, Hye-Young Kim, Pakakaew Rittipruk, Cheongho Han

    Published in The Astronomical Journal (2023-01-01)
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  7. 7

    Simultaneous Photometric and Spectroscopic Analysis of V505 Lacertae, a Photospherically and Chromospherically Active Contact Binary Star by Min-Ji Jeong, Chun-Hwey Kim, Kyeongsoo Hong, Hye-Young Kim, Mi-Hwa Song, Jang-Ho Park, Cheongho Han

    Published in The Astronomical Journal (2024-01-01)
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  8. 8

    KMT-2023-BLG-2669: Ninth Free-floating Planet Candidate with θ E Measurements by Youn Kil Jung, Kyu-Ha Hwang, Hongjing Yang, Andrew Gould, Jennifer C. Yee, Cheongho Han, Michael D. Albrow, Sun-Ju Chung, Yoon-Hyun Ryu, In-Gu Shin, Yossi Shvartzvald, Weicheng Zang, Sang-Mok Cha, Dong-Jin Kim, Seung-Lee Kim, Chung-Uk Lee, Dong-Joo Lee, Yongseok Lee, Byeong-Gon Park, Richard W. Pogge

    Published in The Astronomical Journal (2024-01-01)
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  9. 9

    Mass Production of 2021 KMTNet Microlensing Planets II by Yoon-Hyun Ryu, In-Gu Shin, Hongjing Yang, Andrew Gould, Michael D. Albrow, Sun-Ju Chung, Cheongho Han, Kyu-Ha Hwang, Youn Kil Jung, Yossi Shvartzvald, Jennifer C. Yee, Weicheng Zang, Sang-Mok Cha, Dong-Jin Kim, Seung-Lee Kim, Chung-Uk Lee, Dong-Joo Lee, Yongseok Lee, Byeong-Gon Park, Richard W. Pogge

    Published in The Astronomical Journal (2023-01-01)
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  10. 10

    KMT-2022-BLG-2397: Brown Dwarf at the Upper Shore of the Einstein Desert by Andrew Gould, Yoon-Hyun Ryu, Jennifer C. Yee, Michael D. Albrow, Sun-Ju Chung, Cheongho Han, Kyu-Ha Hwang, Youn Kil Jung, In-Gu Shin, Yossi Shvartzvald, Hongjing Yang, Weicheng Zang, Sang-Mok Cha, Dong-Jin Kim, Seung-Lee Kim, Chung-Uk Lee, Dong-Joo Lee, Yongseok Lee, Byeong-Gon Park, Richard W. Pogge, The KMTNet Collaboration

    Published in The Astronomical Journal (2023-01-01)
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  11. 11

    Four Planets Found through Microlensing Events Involving Faint Source Stars by Cheongho Han, Michael D. Albrow, Chung-Uk Lee, Sun-Ju Chung, Andrew Gould, Kyu-Ha Hwang, Youn Kil Jung, Yoon-Hyun Ryu, Yossi Shvartzvald, In-Gu Shin, Jennifer C. Yee, Hongjing Yang, Weicheng Zang, Sang-Mok Cha, Doeon Kim, Dong-Jin Kim, Seung-Lee Kim, Dong-Joo Lee, Yongseok Lee, Byeong-Gon Park, Richard W. Pogge

    Published in The Astronomical Journal (2025-01-01)
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  12. 12

    LensNet: Enhancing Real-time Microlensing Event Discovery with Recurrent Neural Networks in the Korea Microlensing Telescope Network by Javier Viaña, Kyu-Ha Hwang, Zoë de Beurs, Jennifer C. Yee, Andrew Vanderburg, Michael D. Albrow, Sun-Ju Chung, Andrew Gould, Cheongho Han, Youn Kil Jung, Yoon-Hyun Ryu, In-Gu Shin, Yossi Shvartzvald, Hongjing Yang, Weicheng Zang, Sang-Mok Cha, Dong-Jin Kim, Seung-Lee Kim, Chung-Uk Lee, Dong-Joo Lee, Yongseok Lee, Byeong-Gon Park, Richard W. Pogge

    Published in The Astronomical Journal (2025-01-01)
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  13. 13

    OGLE-2019-BLG-1180Lb: Discovery of a Wide-orbit Jupiter-mass Planet around a Late-type Star by Sun-Ju Chung, Andrzej Udalski, Jennifer C. Yee, Andrew Gould, Leading Authors, Michael D. Albrow, Youn Kil Jung, Kyu-Ha Hwang, Cheongho Han, Yoon-Hyun Ryu, In-Gu Shin, Yossi Shvartzvald, Hongjing Yang, Weicheng Zang, Sang-Mok Cha, Dong-Jin Kim, Seung-Lee Kim, Chung-Uk Lee, Dong-Joo Lee, Yongseok Lee, Byeong-Gon Park, Richard W. Pogge, The KMTNet collaboration, Radek Poleski, Przemek Mróz, Jan Skowron, Michał K. Szymański, Igor Soszyński, Paweł Pietrukowicz, Szymon Kozłowski, Krzysztof Ulaczyk, Krzysztof A. Rybicki, Patryk Iwanek, Marcin Wrona, Mariusz Gromadzki, The OGLE collaboration

    Published in The Astronomical Journal (2023-01-01)
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  14. 14

    Four-body Gravitational Microlensing Events Involving Both a Binary Lens and a Binary Source by Cheongho Han, Chung-Uk Lee, Andrzej Udalski, (Leading Authors), Michael D. Albrow, Sun-Ju Chung, Andrew Gould, Youn Kil Jung, Kyu-Ha Hwang, Yoon-Hyun Ryu, Yossi Shvartzvald, In-Gu Shin, Jennifer C. Yee, Weicheng Zang, Hongjing Yang, Doeon Kim, Dong-Jin Kim, Seung-Lee Kim, Dong-Joo Lee, Sang-Mok Cha, Yongseok Lee, Byeong-Gon Park, Richard W. Pogge, Przemek Mróz, (KMTNet Collaboration), Michał K. Szymański, Jan Skowron, Radosław Poleski, Igor Soszyński, Paweł Pietrukowicz, Szymon Kozłowski, Krzysztof A. Rybicki, Patryk Iwanek, Krzysztof Ulaczyk, Marcin Wrona, Mariusz Gromadzki, Mateusz J. Mróz, (The OGLE Team)

    Published in The Astrophysical Journal (2026-01-01)
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  15. 15

    Mass Production of 2023 KMTNet Microlensing Planets. I. Low Mass Ratio by 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 Mróz, Radosław Poleski, Jan Skowron, Michał K. Szymański, Igor Soszyński, Paweł Pietrukowicz, Szymon Kozłowski, Krzysztof Ulaczyk, Krzysztof A. Rybicki, Patryk Iwanek, Marcin Wrona, Mariusz Gromadzki, Mateusz J. Mróz

    Published in The Astronomical Journal (2026-01-01)
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  16. 16

    Systematic KMTNet Planetary Anomaly Search. VII. Complete Sample of q < 10−4 Planets from the First 4 yr Survey by Weicheng Zang, Youn Kil Jung, Hongjing Yang, Xiangyu Zhang, Andrzej Udalski, Jennifer C. Yee, Andrew Gould, Shude Mao, Leading Authors, Michael D. Albrow, Sun-Ju Chung, Cheongho Han, Kyu-Ha Hwang, Yoon-Hyun Ryu, In-Gu Shin, Yossi Shvartzvald, Sang-Mok Cha, Dong-Jin Kim, Hyoun-Woo Kim, Seung-Lee Kim, Chung-Uk Lee, Dong-Joo Lee, Yongseok Lee, Byeong-Gon Park, Richard W. Pogge, The KMTNet Collaboration, Przemek Mróz, Jan Skowron, Radoslaw Poleski, Michał K. Szymański, Igor Soszyński, Paweł Pietrukowicz, Szymon Kozłowski, Krzysztof Ulaczyk, Krzysztof A. Rybicki, Patryk Iwanek, Marcin Wrona, Mariusz Gromadzki, The OGLE Collaboration, Hanyue Wang, Jiyuan Zhang, Wei Zhu, The MAP Collaboration

    Published in The Astronomical Journal (2023-01-01)
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  17. 17

    Systematic KMTNet Planetary Anomaly Search. XII. Complete Sample of 2017 Subprime Field Planets by Yuqian Gui, Weicheng Zang, Ruocheng Zhai, Yoon-Hyun Ryu, Andrzej Udalski, Hongjing Yang, Cheongho Han, Shude Mao, Leading Authors, Michael D. Albrow, Sun-Ju Chung, Andrew Gould, Kyu-Ha Hwang, Youn Kil Jung, In-Gu Shin, Yossi Shvartzvald, Jennifer C. Yee, Sang-Mok Cha, Dong-Jin Kim, Hyoun-Woo Kim, Seung-Lee Kim, Chung-Uk Lee, Dong-Joo Lee, Yongseok Lee, Byeong-Gon Park, Richard W. Pogge, The KMTNet Collaboration, Przemek Mróz, Michał K. Szymański, Jan Skowron, Radosław Poleski, Igor Soszyński, Paweł Pietrukowicz, Szymon Kozłowski, Krzysztof Ulaczyk, Krzysztof A. Rybicki, Patryk Iwanek, Marcin Wrona, Mariusz Gromadzki, The OGLE Collaboration, Hanyue Wang, Jiyuan Zhang, Renkun Kuang, Qiyue Qian, Wei Zhu, The MAP Collaboration

    Published in The Astronomical Journal (2024-01-01)
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  18. 18

    OGLE-2017-BLG-0448Lb: A Low Mass–Ratio Wide-orbit Microlensing Planet? by Ruocheng Zhai, Radosław Poleski, Weicheng Zang, Youn Kil Jung, Andrzej Udalski, Renkun Kuang, Leading Authors, Michael D. Albrow, Sun-Ju Chung, Andrew Gould, Cheongho Han, Kyu-Ha Hwang, Yoon-Hyun Ryu, In-Gu Shin, Yossi Shvartzvald, Hongjing Yang, Jennifer C. Yee, Sang-Mok Cha, Dong-Jin Kim, Hyoun-Woo Kim, Seung-Lee Kim, Chung-Uk Lee, Dong-Joo Lee, Yongseok Lee, Byeong-Gon Park, Richard W. Pogge, The KMTNet Collaboration, Jan Skowron, Michał K. Szymański, Igor Soszyński, Krzysztof Ulaczyk, Paweł Pietrukowicz, Szymon Kozłowski, Przemek Mróz, Krzysztof A. Rybicki, Patryk Iwanek, Marcin Wrona, Mariusz Gromadzki, The OGLE Collaboration, Hanyue Wang, Shude Mao, Jiyuan Zhang, Qiyue Qian, Wei Zhu, The MAP Collaboration

    Published in The Astronomical Journal (2024-01-01)
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  19. 19

    KMT-2022-BLG-0086: Another Binary-lens Binary-source Microlensing Event by Sun-Ju Chung, Kyu-Ha Hwang, Jennifer C. Yee, Andrew Gould, Ian A. Bond, Hongjing Yang, (Leading Authors), Michael D. Albrow, Youn Kil Jung, Cheongho Han, Yoon-Hyun Ryu, In-Gu Shin, Yossi Shvartzvald, Weicheng Zang, Sang-Mok Cha, Dong-Jin Kim, Seung-Lee Kim, Chung-Uk Lee, Dong-Joo Lee, Yongseok Lee, Byeong-Gon Park, Richard W. Pogge, (The KMTNet Collaboration), Fumio Abe, David P. Bennett, Aparna Bhattacharya, Akihiko Fukui, Ryusei Hamada, Yuki Hirao, Stela Ishitani Silva, Naoki Koshimoto, Shota Miyazaki, Yasushi Muraki, Tutumi Nagai, Kansuke Nunota, Greg Olmschenk, Clément Ranc, Nicholas J. Rattenbury, Yuki Satoh, Takahiro Sumi, Daisuke Suzuki, Sean K. Terry, Paul J. Tristram, Aikaterini Vandorou, Hibiki Yama, (The MOA Collaboration)

    Published in The Astronomical Journal (2025-01-01)
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  20. 20

    Systematic KMTNet Planetary Anomaly Search. VIII. Complete Sample of 2019 Subprime Field Planets by Youn Kil Jung, Weicheng Zang, Hanyue Wang, Cheongho Han, Andrew Gould, Andrzej Udalski, Lead Authors, Michael D. Albrow, Sun-Ju Chung, Kyu-Ha Hwang, Yoon-Hyun Ryu, In-Gu Shin, Yossi Shvartzvald, Hongjing Yang, 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, The KMTNet Collaboration, Michał K. Szymański, Jan Skowron, Radek Poleski, Igor Soszyński, Paweł Pietrukowicz, Szymon Kozłowski, Krzysztof Ulaczyk, Krzysztof A. Rybicki, Patryk Iwanek, Marcin Wrona, The OGLE Collaboration, Jonathan Green, Steve Hennerley, Andrew Marmont, Shude Mao, Dan Maoz, Jennie McCormick, Tim Natusch, Matthew T. Penny, Ian Porritt, Wei Zhu, The Tsinghua and FUN Follow-Up Teams

    Published in The Astronomical Journal (2023-01-01)
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