顔写真

PHOTO

Masuda Kento
増田 賢人
Masuda Kento
増田 賢人
Graduate School of Science Department of Earth and Space Science, Associate Professor

keyword exoplanet

Research History 5

  1. 2024/01 - Present
    Osaka University Department of Earth and Space Science, Graduate School of Science Associate Professor

  2. 2020/03 - 2023/12
    Osaka University Department of Earth and Space Science, Graduate School of Science Assistant Professor

  3. 2019/09 - 2020/02
    Institute for Advanced Study School of Natural Sciences Member

  4. 2016/09 - 2019/08
    Princeton University Department of Astrophysical Sciences NASA Carl Sagan Fellow

  5. 2016/08 - 2016/08
    The University of Tokyo Department of Physics, Graduate School of Science

Education 1

  1. The University of Tokyo Graduate School of Science Department of Physics

    2012/04 - 2016/07

Professional Memberships 1

  1. 日本天文学会

Research Areas 1

  1. Natural sciences / Astronomy /

Awards 4

  1. 第34回 井上研究奨励賞

    2018/02

  2. 第7回 育志賞

    日本学術振興会 2017/03

  3. 平成28年度 理学系研究科研究奨励賞(博士課程)

    東京大学 2017/03

  4. 平成25年度 理学系研究科研究奨励賞(修士課程)

    東京大学 2014/03

Papers 69

  1. Atmospheric Retrieval of Subaru/IRD High-resolution Spectrum of the Archetype T-type Brown Dwarf Gl 229 B*

    Yui Kawashima, Hajime Kawahara, Yui Kasagi, Hiroyuki Tako Ishikawa, Kento Masuda, Takayuki Kotani, Tomoyuki Kudo, Teruyuki Hirano, Masayuki Kuzuhara, Stevanus K. Nugroho, John Livingston, Hiroki Harakawa, Jun Nishikawa, Masashi Omiya, Takuya Takarada, Motohide Tamura, Akitoshi Ueda

    The Astrophysical Journal 2025/07/20 Research paper (scientific journal)

  2. Differentiable Modeling of Planet and Substellar Atmosphere: High-resolution Emission, Transmission, and Reflection Spectroscopy with ExoJAX2

    Hajime Kawahara, Yui Kawashima, Shotaro Tada, Hiroyuki Tako Ishikawa, Ko Hosokawa, Yui Kasagi, Takayuki Kotani, Kento Masuda, Stevanus K. Nugroho, Motohide Tamura, Hibiki Yama, Daniel Kitzmann, Nicolas Minesi, Brett M. Morris

    The Astrophysical Journal 2025/06/01 Research paper (scientific journal)

  3. Measurement of Methane Line Broadening in Hot Hydrogen/Helium Atmospheres at λ = 1.60–1.63 μm for Substellar Object Spectroscopy

    Ko Hosokawa, Takayuki Kotani, Hajime Kawahara, Yui Kawashima, Kento Masuda, Aoi Takahashi, Kazuo Yoshioka

    The Astrophysical Journal 2025/05/01 Research paper (scientific journal)

  4. Probing Two-dimensional Asymmetries of an Exoplanet Atmosphere from Chromatic Transit Variation

    Shotaro Tada, Hajime Kawahara, Yui Kawashima, Takayuki Kotani, Kento Masuda

    The Astronomical Journal 2025/05/01 Research paper (scientific journal)

  5. Weighing single-lined spectroscopic binaries using tidal RVs: the case of V723 Mon

    K. Masuda, T. Hirano, M. Tomoyoshi

    Contributions of the Astronomical Observatory Skalnaté Pleso 2025/04/01 Research paper (scientific journal)

  6. Detecting Planetary Oblateness in the Era of JWST: A Case Study of Kepler-167e

    Quanyi 权毅 Liu 刘, Wei 伟 Zhu 祝, Yifan 一凡 Zhou 周, Zhecheng 哲程 Hu 胡, Zitao 子滔 Lin 林, Fei 飞 Dai 戴, Kento 賢人 Masuda 増田, Sharon X. 雪凇 Wang 王

    The Astronomical Journal 2025/02/03 Research paper (scientific journal)

  7. Weighing Single-lined Spectroscopic Binaries Using Tidal Effects on Radial Velocities: The Case of V723 Monocerotis

    Mio Tomoyoshi, Kento Masuda, Teruyuki Hirano, Yui Kasagi, Hajime Kawahara, Takayuki Kotani, Tomoyuki Kudo, Motohide Tamura, Sébastien Vievard

    The Astrophysical Journal 2024/12/01 Research paper (scientific journal)

  8. A Fourth Planet in the Kepler-51 System Revealed by Transit Timing Variations

    Kento Masuda, Jessica E. Libby-Roberts, John H. Livingston, Kevin B. Stevenson, Peter Gao, Shreyas Vissapragada, Guangwei Fu, Te Han, Michael Greklek-McKeon, Suvrath Mahadevan, Eric Agol, Aaron Bello-Arufe, Zachory Berta-Thompson, Caleb I. Cañas, Yayaati Chachan, Leslie Hebb, Renyu Hu, Yui Kawashima, Heather A. Knutson, Caroline V. Morley, Catriona A. Murray, Kazumasa Ohno, Armen Tokadjian, Xi Zhang, Luis Welbanks, Matthew C. Nixon, Richard Freedman, Norio Narita, Akihiko Fukui, Jerome P. de Leon, Mayuko Mori, Enric Palle, Felipe Murgas, Hannu Parviainen, Emma Esparza-Borges, Daniel Jontof-Hutter, Karen A. Collins, Paul Benni, Khalid Barkaoui, Francisco J. Pozuelos, Michaël Gillon, Emmanuël Jehin, Zouhair Benkhaldoun, Suzanne Hawley, Andrea S. J. Lin, Guđmundur Stefánsson, Allyson Bieryla, Mesut Yilmaz, Hakan Volkan Senavci, Eric Girardin, Giuseppe Marino, Gavin Wang

    The Astronomical Journal 2024/12/01 Research paper (scientific journal)

  9. Ages of Stars and Planets in the Kepler Field Younger than Four Billion Years

    Luke G. Bouma, Lynne A. Hillenbrand, Andrew W. Howard, Howard Isaacson, Kento Masuda, Elsa K. Palumbo

    The Astrophysical Journal 2024/12/01 Research paper (scientific journal)

  10. An Extremely Low-density Exoplanet Spins Slow

    Quanyi 权毅 Liu 刘, Wei 伟 Zhu 祝, Kento 田賢人 Masuda 増, Jessica E. Libby-Roberts, Aaron Bello-Arufe, Caleb I. Cañas

    The Astrophysical Journal Letters 2024/11/01 Research paper (scientific journal)

  11. An Earth-sized Planet on the Verge of Tidal Disruption

    Andrew Howard, Samuel Halverson, Jaume Orell-Miquel, Enric Palle, Howard Isaacson, Benjamin Fulton, Ellen M. Price, Mykhaylo Plotnykov, Leslie Rogers, Diana Valencia, Kimberly Paragas, Michael Greklek-McKeon, Jonathan Gomez Barrientos, Heather Knutson, Erik Petigura, Lauren Weiss, Rena A. Lee, Casey Brinkman, Daniel Huber, Gudmundur Stefansson, Kento Masuda, Steven Giacalone, Cicero X. Lu, Edwin Kite, Renyu Hu, Eric Gaidos, Michael Zhang, Ryan Rubenzahl, Te Han, Corey Beard, Rae Holcomb, Aaron Householder, Gregory Gilbert, Jack Lubin, Joel Ong J. M., Alex S. Polanski, Nicholas Saunders, Judah Van Zandt, Samuel Yee, Jingwen Zhang, Jon Zink, Bradford Holden, Ashley Baker, Max Brodheim, Ian Crossfield, William Todd Stephen Deich, Jerry Edelstein, Steven R. Gibson, Grant Hill

    The Astronomical Journal 2024/09/01 Research paper (scientific journal)

  12. TOI-2015 b: A Warm Neptune with Transit Timing Variations Orbiting an Active Mid-type M Dwarf

    Sinclaire E. Jones, Guđmundur Stefánsson, Kento Masuda, Jessica E. Libby-Roberts, Cristilyn N. Gardner, Rae Holcomb, Corey Beard, Paul Robertson, Caleb I. Cañas, Suvrath Mahadevan, Shubham Kanodia, Andrea S. J. Lin, Henry A. Kobulnicky, Brock A. Parker, Chad F. Bender, William D. Cochran, Scott A. Diddams, Rachel B. Fernandes, Arvind F. Gupta, Samuel Halverson, Suzanne L. Hawley, Fred R. Hearty, Leslie Hebb, Adam Kowalski, Jack Lubin, Andrew Monson, Joe P. Ninan, Lawrence Ramsey, Arpita Roy, Christian Schwab, Ryan C. Terrien, John Wisniewski

    The Astronomical Journal 2024/08/01 Research paper (scientific journal)

  13. No Longer Impossible: The Self-lensing Binary KIC 8145411 is a Triple

    Natsuko Yamaguchi, Kareem El-Badry, David R. Ciardi, David W. Latham, Kento Masuda, Allyson Bieryla, Catherine A. Clark, Samuel S. Condon

    Publications of the Astronomical Society of the Pacific 2024/07/01 Research paper (scientific journal)

  14. Evidence That the Occurrence Rate of Hot Jupiters around Sun-like Stars Decreases with Stellar Age

    Shota Miyazaki, Kento Masuda

    The Astronomical Journal 2023/11/01 Research paper (scientific journal)

  15. A Spectroscopic Thermometer: Individual Vibrational Band Spectroscopy with the Example of OH in the Atmosphere of WASP-33b

    Sam O. M. Wright, Stevanus Kristianto Nugroho, Matteo Brogi, Neale Gibson, Ernst de Mooij, Ingo Waldmann, Jonathan Tennyson, Hajime Kawahara, Masayuki Kuzuhara, Teruyuki Hirano, Takayuki Kotani, Yui Kawashima, Kento Masuda, Jayne Birkby, Christopher Watson, Motohide TAMURA, Konstanze Zwintz, Hiroki Harakawa, Tomoyuki Kudo, Klaus Hodapp, Shane Jacobson, Mihoko Konishi, Takashi Kurokawa, Jun Nishikawa, 大宮 正士, Takuma Serizawa, Akitoshi Ueda, Sebastien VIEVARD, Sergey Yurchenko

    The Astronomical Journal Vol. 166 No. 2 p. 41-41 2023/08/01 Research paper (scientific journal)

    Publisher: American Astronomical Society
  16. JASMINE: Near-Infrared Astrometry and Time Series Photometry Science

    Daisuke Kawata, Hajime Kawahara, Naoteru Gouda, Nathan J. Secrest, Ryouhei Kano, Hirokazu Kataza, Naoki Isobe, Ryou Ohsawa, Fumihiko Usui, Yoshiyuki Yamada, Alister W. Graham, Alex R. Pettitt, Hideki Asada, Junichi Baba, Kenji Bekki, Bryan N. Dorland, Michiko Fujii, Akihiko Fukui, Kohei Hattori, Teruyuki Hirano, Takafumi Kamizuka, Shingo Kashima, Norita Kawanaka, Yui Kawashima, Sergei A. Klioner, Takanori Kodama, Naoki Koshimoto, Takayuki Kotani, Masayuki Kuzuhara, Stephen E. Levine, Steven R. Majewski, Kento Masuda, Noriyuki Matsunaga, Kohei Miyakawa, Makoko Miyoshi, Kumiko Morihana, Ryoichi Nishi, Yuta Notsu, Masashi Omiya, Jason Sanders, Ataru Tanikawa, Masahiro Tsujimoto, Taihei Yano, Masataka Aizawa, Ko Arimatsu, Michael Biermann, Celine Boehm, Masashi Chiba, Victor P. Debattista, Ortwin Gerhard, Masayuki Hirabayashi, David Hobbs, Bungo Ikenoue, Hideyuki Izumiura, Carme Jordi, Naoki Kohara, Wolfgang Löffler, Xavier Luri, Ichiro Mase, Andrea Miglio, Kazuhisa Mitsuda, Trent Newswander, Shogo Nishiyama, Yoshiyuki Obuchi, Takafumi Ootsubo, Masami Ouchi, Masanobu Ozaki, Michael Perryman, Timo Prusti, Pau Ramos, Justin I. Read, R. Michael Rich, Ralph Schönrich, Minori Shikauchi, Risa Shimizu, Yoshinori Suematsu, Shotaro Tada, Aoi Takahashi, Takayuki Tatekawa, Daisuke Tatsumi, Takuji Tsujimoto, Toshihiro Tsuzuki, Seitaro Urakawa, Fumihiro Uraguchi, Shin Utsunomiya, Vincent Van Eylen, Floor van Leeuwen, Takehiko Wada, Nicholas A. Walton

    Publications of the Astronomical Society of Japan 2023/07/11 Research paper (scientific journal)

  17. TOI-1136 is a Young, Coplanar, Aligned Planetary System in a Pristine Resonant Chain

    Fei Dai, Kento Masuda, Corey Beard, Paul Robertson, Max Goldberg, Konstantin Batygin, Luke Bouma, Jack J. Lissauer, Emil Knudstrup, Simon Albrecht, Andrew W. Howard, Heather A. Knutson, Erik A. Petigura, Lauren M. Weiss, Howard Isaacson, Martti Holst Kristiansen, Hugh Osborn, Songhu Wang, Xian-Yu Wang, Aida Behmard, Michael Greklek-McKeon, Shreyas Vissapragada, Natalie M. Batalha, Casey L. Brinkman, Ashley Chontos, Ian Crossfield, Courtney Dressing, Tara Fetherolf, Benjamin Fulton, Michelle L. Hill, Daniel Huber, Stephen R. Kane, Jack Lubin, Mason MacDougall, Andrew Mayo, Teo Močnik, Joseph M. Akana Murphy, Ryan A. Rubenzahl, Nicholas Scarsdale, Dakotah Tyler, Judah Van Zandt, Alex S. Polanski, Hans Martin Schwengeler, Ivan A. Terentev, Paul Benni, Allyson Bieryla, David Ciardi, Ben Falk, E. Furlan, Eric Girardin, Pere Guerra, Katharine M. Hesse, Steve B. Howell, J. Lillo-Box, Elisabeth C. Matthews, Joseph D. Twicken, Joel Villaseñor, David W. Latham, Jon M. Jenkins, George R. Ricker, Sara Seager, Roland Vanderspek, Joshua N. Winn

    The Astronomical Journal 2023/02/01 Research paper (scientific journal)

  18. Detectability of Rotational Modulation in Kepler Sun-like Stars as a Function of Age

    Kento Masuda

    The Astrophysical Journal 2022/10/01 Research paper (scientific journal)

  19. On the Evolution of Rotational Modulation Amplitude in Solar-mass Main-sequence Stars

    Kento Masuda

    The Astrophysical Journal 2022/07/01 Research paper (scientific journal)

  20. Dippers from TESS Full-frame Images. II. Spectroscopic Characterization of Four Young Dippers

    Yui Kasagi, Takayuki Kotani, Hajime Kawahara, Tomoyuki Tajiri, Takayuki Muto, Masataka Aizawa, Michiko S. Fujii, Kohei Hattori, Kento Masuda, Munetake Momose, Ryou Ohsawa, Satoshi Takita

    The Astrophysical Journal Supplement Series Vol. 259 No. 2 p. 40-40 2022/04/01 Research paper (scientific journal)

  21. A 38 Million Year Old Neptune-sized Planet in the Kepler Field

    L. G. Bouma, J. L. Curtis, K. Masuda, L. A. Hillenbrand, G. Stefansson, H. Isaacson, N. Narita, A. Fukui, M. Ikoma, M. Tamura, A. L. Kraus, E. Furlan, C. L. Gnilka, K. V. Lester, S. B. Howell

    The Astronomical Journal Vol. 163 No. 3 p. 121-121 2022/03/01 Research paper (scientific journal)

    Publisher: American Astronomical Society
  22. Autodifferentiable Spectrum Model for High-dispersion Characterization of Exoplanets and Brown Dwarfs

    Hajime Kawahara, Yui Kawashima, Kento Masuda, Ian J. M. Crossfield, Erwan Pannier, Dirk van den Bekerom

    The Astrophysical Journal Supplement Series Vol. 258 No. 2 p. 31-31 2022/02/01 Research paper (scientific journal)

    Publisher: American Astronomical Society
  23. Inferring the rotation period distribution of stars from their projected rotation velocities and radii: Application to late-F/early-G Kepler stars

    Kento Masuda, Erik A Petigura, Oliver J Hall

    Monthly Notices of the Royal Astronomical Society Vol. 510 No. 4 p. 5623-5638 2022/01/25 Research paper (scientific journal)

    Publisher: Oxford University Press ({OUP})
  24. Tidal Effects on the Radial Velocities of V723 Mon: Additional Evidence for a Dark 3 M ⊙ Companion

    Kento Masuda, Teruyuki Hirano

    The Astrophysical Journal Letters Vol. 910 No. 2 2021/04/01 Research paper (scientific journal)

    Publisher: American Astronomical Society
  25. First Detection of Hydroxyl Radical Emission from an Exoplanet Atmosphere: High-dispersion Characterization of WASP-33b Using Subaru/IRD

    Stevanus K. Nugroho, Hajime Kawahara, Neale P. Gibson, Ernst J. W. de Mooij, Teruyuki Hirano, Takayuki Kotani, Yui Kawashima, Kento Masuda, Matteo Brogi, Jayne L. Birkby, Chris A. Watson, Motohide Tamura, Konstanze Zwintz, Hiroki Harakawa, Tomoyuki Kudo, Masayuki Kuzuhara, Klaus Hodapp, Masato Ishizuka, Shane Jacobson, Mihoko Konishi, Takashi Kurokawa, Jun Nishikawa, Masashi Omiya, Takuma Serizawa, Akitoshi Ueda, Sébastien Vievard

    The Astrophysical Journal Letters Vol. 910 No. 1 2021/03/01 Research paper (scientific journal)

    Publisher:
  26. Hot Stars with Kepler Planets Have High Obliquities*

    Emma M. Louden, Joshua N. Winn, Erik A. Petigura, Howard Isaacson, Andrew W. Howard, Kento Masuda, Simon Albrecht, Molly R. Kosiarek

    The Astronomical Journal 2021/02/01 Research paper (scientific journal)

  27. LOTUS: wide-field monitoring nanosatellite for finding long-period transiting planets

    Hajime Kawahara, Kento Masuda, Takayuki Kotani, Shotaro Tada, Koichi Kataza, Satoshi Ikari, Hiroki Aohama, Takayuki Hosonuma, Wataru Mikuriya, Masahiro Ikoma, Satoshi Kasahara, Shigeyuki Sako, Seiji Sugita, Eri Tatsumi, Kazuo Yoshioka

    Space Telescopes and Instrumentation 2020: Optical, Infrared, and Millimeter Wave 2020/12/13 Research paper (international conference proceedings)

    Publisher: SPIE
  28. Dippers from the TESS Full-frame Images. I. Results of the First One Year Data and Discovery of a Runaway Dipper

    Tomoyuki Tajiri, Hajime Kawahara, Masataka Aizawa, Michiko S. Fujii, Kohei Hattori, Yui Kasagi, Takayuki Kotani, Kento Masuda, Munetake Momose, Takayuki Muto, Ryou Ohsawa, Satoshi Takita

    The Astrophysical Journal Supplement Series Vol. 251 No. 2 p. 18-18 2020/11/23 Research paper (scientific journal)

    Publisher: American Astronomical Society
  29. Revisiting the Architecture of the KOI-89 System

    Kento Masuda, Daniel Tamayo

    The Astronomical Journal 2020/11/01 Research paper (scientific journal)

  30. Bayesian Dynamic Mapping of an Exo-Earth from Photometric Variability

    Hajime Kawahara, Kento Masuda

    The Astrophysical Journal 2020/09/01 Research paper (scientific journal)

  31. It Takes Two Planets in Resonance to Tango around K2-146

    Kristine W. F. Lam, Judith Korth, Kento Masuda, Szilárd Csizmadia, Philipp Eigmüller, Gumundur Kári Stefánsson, Michael Endl, Simon Albrecht, Paul Robertson, Rafael Luque, John H. Livingston, Teruyuki Hirano, Roi Alonso Sobrino, Oscar Barragán, Juan Cabrera, Ilaria Carleo, Alexander Chaushev, William D. Cochran, Fei Dai, Jerome de Leon, Hans J. Deeg, Anders Erikson, Massimiliano Esposito, Malcolm Fridlund, Akihiko Fukui, Davide Gandolfi, Iskra Georgieva, Lucá Gonzalez Cuesta, Sascha Grziwa, Eike W. Guenther, Artie P. Hatzes, Diego Hidalgo, Maria Hjorth, Petr Kabath, Emil Knudstrup, Mikkel N. Lund, Suvrath Mahadevan, Savita Mathur, Pilar Montañes Rodríguez, Felipe Murgas, Norio Narita, David Nespral, Prajwal Niraula, Enric Palle, Martin Pätzold, Carina M. Persson, Jorge Prieto-Arranz, Heike Rauer, Seth Redfield, Ignasi Ribas, Marek Skarka, Alexis M. S. Smith, Jan Subjak, Vincent Van Eylen

    The Astronomical Journal 2020/02/21 Research paper (scientific journal)

  32. On the Inference of a Star’s Inclination Angle from its Rotation Velocity and Projected Rotation Velocity

    Kento Masuda, Joshua N. Winn

    The Astronomical Journal 2020/02/03 Research paper (scientific journal)

  33. The Featureless Transmission Spectra of Two Super-puff Planets

    Jessica E. Libby-Roberts, Zachory K. Berta-Thompson, Jean-Michel Désert, Kento Masuda, Caroline V. Morley, Eric D. Lopez, Katherine M. Deck, Daniel Fabrycky, Jonathan J. Fortney, Michael R. Line, Roberto Sanchis-Ojeda, Joshua N. Winn

    The Astronomical Journal 2020/01/20 Research paper (scientific journal)

  34. Mutual Orbital Inclinations between Cold Jupiters and Inner Super-Earths

    Kento Masuda, Joshua N. Winn, Hajime Kawahara

    The Astronomical Journal 2020/01/03 Research paper (scientific journal)

  35. A Hubble constant measurement from superluminal motion of the jet in GW170817

    K. Hotokezaka, E. Nakar, O. Gottlieb, S. Nissanke, K. Masuda, G. Hallinan, K. P. Mooley, A. T. Deller

    Nature Astronomy Vol. 3 No. 10 p. 940-944 2019/10/08 Research paper (scientific journal)

    Publisher: Springer Science and Business Media {LLC}
  36. Four new self-lensing binaries from Kepler: Radial velocity characterization and astrophysical implications

    Kento Masuda, Hajime Kawahara, David W. Latham, Allyson Bieryla, Morgan MacLeod, Masanobu Kunitomo, Othman Benomar, Wako Aoki

    Proceedings of the International Astronomical Union Vol. 15 No. S357 p. 215-219 2019/10 Research paper (scientific journal)

    Publisher: Cambridge University Press ({CUP})
  37. Prospects of Finding Detached Black Hole–Star Binaries with TESS

    Kento Masuda, Kenta Hotokezaka

    The Astrophysical Journal 2019/10/01 Research paper (scientific journal)

  38. Homogeneous Analysis of Hot Earths: Masses, Sizes, and Compositions

    Fei Dai, Kento Masuda, Joshua N. Winn, Li Zeng

    The Astrophysical Journal 2019/09/23 Research paper (scientific journal)

  39. Self-lensing Discovery of a 0.2 M ⊙ White Dwarf in an Unusually Wide Orbit around a Sun-like Star

    Kento Masuda, Hajime Kawahara, David W. Latham, Allyson Bieryla, Masanobu Kunitomo, Morgan MacLeod, Wako Aoki

    The Astrophysical Journal 2019/08/05 Research paper (scientific journal)

  40. The Random Transiter – EPIC 249706694/HD 139139

    Monthly Notices of the Royal Astronomical Society 2019/06/28 Research paper (scientific journal)

  41. Transiting Planets Near the Snow Line from Kepler. I. Catalog

    Hajime Kawahara, Kento Masuda

    The Astronomical Journal Vol. 157 No. 6 p. 218-218 2019/05/07 Research paper (scientific journal)

    Publisher: American Astronomical Society
  42. The Misaligned Orbit of the Earth-sized Planet Kepler-408b

    Shoya Kamiaka, Othman Benomar, Yasushi Suto, Fei Dai, Kento Masuda, Joshua N. Winn

    The Astronomical Journal 2019/03/07 Research paper (scientific journal)

  43. Larger Mutual Inclinations for the Shortest-period Planets

    Fei Dai, Kento Masuda, Joshua N. Winn

    The Astrophysical Journal Vol. 864 No. 2 2018/09/12 Research paper (scientific journal)

    Publisher: American Astronomical Society
  44. Kepler-730b is Probably a Hot Jupiter with a Small Companion

    Wei Zhu, Fei Dai, Kento Masuda

    Research Notes of the AAS 2018/09/07 Research paper (scientific journal)

  45. Biases in Planet Occurrence Caused by Unresolved Binaries in Transit Surveys

    L. G. Bouma, Kento Masuda, Joshua N. Winn

    The Astronomical Journal 2018/05/17 Research paper (scientific journal)

  46. Systematic Search for Rings around Kepler Planet Candidates: Constraints on Ring Size and Occurrence Rate

    Masataka Aizawa, Kento Masuda, Hajime Kawahara, Yasushi Suto

    The Astronomical Journal 2018/04/23 Research paper (scientific journal)

  47. Radial Velocity Follow-up of the Disintegrating Planet KIC 12557548b

    Kento Masuda, Teruyuki Hirano, Hajime Kawahara, Bun’ei Sato

    Research Notes of the AAS Vol. 2 No. 1 p. 50-50 2018/03/30 Research paper (scientific journal)

    Publisher: American Astronomical Society
  48. Discovery of Three Self-lensing Binaries from Kepler

    Hajime Kawahara, Kento Masuda, Morgan MacLeod, David W. Latham, Allyson Bieryla, Othman Benomar

    The Astronomical Journal 2018/03/06 Research paper (scientific journal)

  49. High-resolution Spectroscopic Detection of TiO and a Stratosphere in the Day-side of WASP-33b

    Stevanus K. Nugroho, Hajime Kawahara, Kento Masuda, Teruyuki Hirano, Takayuki Kotani, Akito Tajitsu

    The Astronomical Journal Vol. 154 No. 6 p. 221-221 2017/11/13 Research paper (scientific journal)

    Publisher: American Astronomical Society
  50. Eccentric Companions to Kepler-448b and Kepler-693b: Clues to the Formation of Warm Jupiters

    The Astronomical Journal 2017/07/21 Research paper (scientific journal)

  51. Toward Detection of Exoplanetary Rings via Transit Photometry: Methodology and a Possible Candidate

    Masataka Aizawa (逢澤正, Sho Uehara (上原翔), Kento Masuda (増田賢, Hajime Kawahara (河原創), Yasushi Suto (須藤靖)

    The Astronomical Journal 2017/03/31 Research paper (scientific journal)

  52. Reassessment of the Null Result of the HST Search for Planets in 47 Tucanae

    Kento Masuda, Joshua N. Winn

    The Astronomical Journal 2017/03/30 Research paper (scientific journal)

  53. Possible Outcomes of Coplanar High-eccentricity Migration: Hot Jupiters, Close-in Super-Earths, and Counter-orbiting Planets

    Yuxin Xue, Kento Masuda, Yasushi Suto

    The Astrophysical Journal 2017/01/31 Research paper (scientific journal)

  54. Transiting planets as a precision clock to constrain the time variation of the gravitational constant

    Kento Masuda, Yasushi Suto

    PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN Vol. 68 No. 3 2016/06 Research paper (scientific journal)

  55. TRANSITING PLANET CANDIDATES BEYOND THE SNOW LINE DETECTED BY VISUAL INSPECTION OF 7557KEPLEROBJECTS OF INTEREST

    Sho Uehara, Hajime Kawahara, Kento Masuda, Shin’ya Yamada, Masataka Aizawa

    The Astrophysical Journal 2016/04/25 Research paper (scientific journal)

  56. Revisiting a gravity-darkened and precessing planetary system PTFO 8-8695: A spin-orbit non-synchronous case

    Shoya Kamiaka, Kento Masuda, Yuxin Xue, Yasushi Suto, Tsubasa Nishioka, Risa Murakami, Koichiro Inayama, Madoka Saitoh, Michisuke Tanaka, Atsunori Yonehara

    PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN Vol. 67 No. 5 2015/10 Research paper (scientific journal)

  57. ABSOLUTE DIMENSIONS OF A FLAT HIERARCHICAL TRIPLE SYSTEM KIC 6543674 FROM THE KEPLER PHOTOMETRY

    Kento Masuda, Sho Uehara, Hajime Kawahara

    The Astrophysical Journal Vol. 806 No. 2 2015/06/22 Research paper (scientific journal)

    Publisher: {IOP} Publishing
  58. SPIN-ORBIT ANGLES OF KEPLER-13Ab AND HAT-P-7b FROM GRAVITY-DARKENED TRANSIT LIGHT CURVES

    Kento Masuda

    ASTROPHYSICAL JOURNAL Vol. 805 No. 1 2015/05 Research paper (scientific journal)

  59. PRECISE RADIAL VELOCITY MEASUREMENTS FORKEPLERGIANTS HOSTING PLANETARY CANDIDATES: KEPLER-91 AND KOI-1894

    Kento Masuda

    The Astrophysical Journal 2015/03/23 Research paper (scientific journal)

  60. PRECISE RADIAL VELOCITY MEASUREMENTS FOR KEPLER GIANTS HOSTING PLANETARY CANDIDATES: KEPLER-91 AND KOI-1894

    Bun'ei Sato, Teruyuki Hirano, Masashi Omiya, Hiroki Harakawa, Atsushi Kobayashi, Ryo Hasegawa, Takuya Takarada, Kiyoe Kawauchi, Kento Masuda

    ASTROPHYSICAL JOURNAL Vol. 802 No. 1 2015/03 Research paper (scientific journal)

  61. Search for Close-in Planets around Evolved Stars with Phase-curve variations and Radial Velocity Measurements

    Teruyuki Hirano, Bun'Ei Sato, Kento Masuda, Othman Michel Benomar, Yoichi Takeda, Masashi Omiya, Hiroki Harakawa

    Proceedings of the International Astronomical Union Vol. 11 p. 63-64 2015 Research paper (international conference proceedings)

    Publisher: Cambridge University Press
  62. 3D spin-orbit angle of Kepler-25 and HAT-P-7

    Othman Benomar, Kento Masuda, Hiromoto Shibahashi, Yasushi Suto

    SPACE PHOTOMETRY REVOLUTION - COROT SYMPOSIUM 3, KEPLER KASC-7 JOINT MEETING Vol. 101 2015 Research paper (international conference proceedings)

  63. GLOBAL ANALYSIS OF KOI-977: SPECTROSCOPY, ASTEROSEISMOLOGY, AND PHASE-CURVE ANALYSIS

    Teruyuki Hirano, Kento Masuda, Bun'ei Sato, Othman Benomar, Yoichi Takeda, Masashi Omiya, Hiroki Harakawa, Atsushi Kobayashi

    ASTROPHYSICAL JOURNAL Vol. 799 No. 1 2015/01 Research paper (scientific journal)

  64. Determination of three-dimensional spin–orbit angle with joint analysis of asteroseismology, transit lightcurve, and the Rossiter–McLaughlin effect: Cases of HAT-P-7 and Kepler-25

    Publications of the Astronomical Society of Japan 2014/10/01 Research paper (scientific journal)

  65. Erratum: Characterization of the KOI-94 system with transit timing variation analysis: Implication for the planet-planet eclipse (Astrophysical Journal (2013) 778 (185))

    Kento Masuda, Teruyuki Hirano, Atsushi Taruya, Makiko Nagasawa, Yasushi Suto

    Astrophysical Journal Vol. 793 No. 1 2014/09/20 Research paper (scientific journal)

    Publisher: Institute of Physics Publishing
  66. VERY LOW DENSITY PLANETS AROUND KEPLER-51 REVEALED WITH TRANSIT TIMING VARIATIONS AND AN ANOMALY SIMILAR TO A PLANET-PLANET ECLIPSE EVENT

    Kento Masuda

    ASTROPHYSICAL JOURNAL Vol. 783 No. 1 2014/03 Research paper (scientific journal)

  67. TIDAL EVOLUTION OF THE SPIN-ORBIT ANGLE IN EXOPLANETARY SYSTEMS

    Yuxin Xue, Yasushi Suto, Atsushi Taruya, Teruyuki Hirano, Yuka Fujii, Kento Masuda

    ASTROPHYSICAL JOURNAL Vol. 784 No. 1 2014/03 Research paper (scientific journal)

  68. CHARACTERIZATION OF THE KOI-94 SYSTEM WITH TRANSIT TIMING VARIATION ANALYSIS: IMPLICATION FOR THE PLANET-PLANET ECLIPSE

    Kento Masuda, Teruyuki Hirano, Atsushi Taruya, Makiko Nagasawa, Yasushi Suto

    ASTROPHYSICAL JOURNAL Vol. 778 No. 2 2013/12 Research paper (scientific journal)

  69. PLANET-PLANET ECLIPSE AND THE ROSSITER-McLAUGHLIN EFFECT OF A MULTIPLE TRANSITING SYSTEM: JOINT ANALYSIS OF THE SUBARU SPECTROSCOPY AND THE KEPLER PHOTOMETRY

    Teruyuki Hirano, Norio Narita, Bun'ei Sato, Yasuhiro H. Takahashi, Kento Masuda, Yoichi Takeda, Wako Aoki, Motohide Tamura, Yasushi Suto

    ASTROPHYSICAL JOURNAL LETTERS Vol. 759 No. 2 2012/11 Research paper (scientific journal)

Misc. 2

  1. Exploring the Architecture of Transiting Exoplanetary Systems with High-Precision Photometry

    Vol. 110 No. 8 p. 522-532 2017/08

    Publisher: 日本天文学会
  2. 7aAC-6 Report on the International Physics Olympiad 2014

    Mitsuoka K., Masuda K., Hamazaki R., Yoshida H., Sugiyama T., Nakayashiki T.

    Meeting Abstracts of the Physical Society of Japan Vol. 69 No. 0 p. 228-228 2014

    Publisher: The Physical Society of Japan

Publications 1

  1. Exploring the architecture of transiting exoplanetary systems with high-precision photometry

    Masuda, Kento

    Springer 2018/03

    ISBN: 9789811084522

Institutional Repository 1

Content Published in the University of Osaka Institutional Repository (OUKA)
  1. Weighing Single-lined Spectroscopic Binaries Using Tidal Effects on Radial Velocities: The Case of V723 Monocerotis

    Tomoyoshi Mio, Masuda Kento, Hirano Teruyuki, Kasagi Yui, Kawahara Hajime, Kotani Takayuki, Kudo Tomoyuki, Tamura Motohide, Vievard Sébastien

    Astrophysical Journal Vol. 977 No. 2 2024/12/01