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Assistant Professor   HORI, Yasunori

Research Field

  • Planetary Sciences, Exoplanets, Astrobiology


  • Department of Earth and Planetary Sciences, Tokyo Institute of Technology (Ph.D)

Summary of Research

    1. Theoretical studies on formation of planets in the solar system and exoplanets
    2. Formation and evolution of (exo)planetary atmospheres
    3. Exoplanet searches (RV surveys and direct-imaging) and characterization (transit photometry) using ground-based telescopes
    4. Search for signatures of life outside the solar system

Research Achievements or Papers

  • Liu,S.-F.,Hori,Y.,Muller,S.,Zheng,X.,Helled,R.,Lin,D.,& Isella,A.,The formation of Jupiter’s diluted core by a giant impact, Nature 572,355-357,2019
  • Fujii,M.S. & Hori,Y., Survival Rates of Planets in Open Clusters: the Pleiades, Hyades, A&A 624,A110,2019
  • Wang,Y.-H.,..., Hori,Y.,..., Transiting Exoplanet Monitoring Project (TEMP). V. Transit Follow up for HAT-P-9b, HAT-P-32b,and HAT-P-36b, AJ 157,82,2019
  • A Limit on Gas Accretion onto Close-in Super-Earth Cores from Disk Accretion, ApJ 867,127, 2018
  • Bonnefoy,M.,...,Hori,Y.,...,The GJ 504 system revisited. Combining interferometric, radial velocity, and high contrast imaging data, A&A 618A,63,2018
  • Fujii,Y.,Angerhausen,D.,Deitrick,R.,Domagal-Goldman,S.,Grenfell,J.L.,Hori,Y.,Kane,S.R.,Palle,E.,Rauer,H.,Siegler,N.,Stapelfeldt,K.,Stevenson,K.B., Astrobiology 18,739,2018
  • Konishi,M.,Hashimoto J., and Hori,Y.,Probing Signatures of a Distant Planet around the Young T-Tauri Star CI-Tau Hosting a Possible Hot Jupiter, ApJ 859L,28,2018

Academic Society

  • The Astronomical Society of Japan, The Japanese Society of Planetary Sciences, Japan Geoscience Union

Web Page


  • yasunori.hori[at]
    (In the mailing address, replace [at] with @)