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2021 年度 実績報告書

Large-scale planet detection with TESS

研究課題

研究課題/領域番号 20K14518
研究機関東京大学

研究代表者

LIVINGSTON JOHN・HENRY  東京大学, 大学院理学系研究科(理学部), 特任研究員 (60848555)

研究期間 (年度) 2020-04-01 – 2022-03-31
キーワードexoplanets
研究実績の概要

My team and I have analyzed the TESS data to detect, vet, and validate the signals of thousands of planet candidates, and conducted follow-up observations confirming the discovery of dozens of planets. In addition, many of the planets orbit stars amenable to detailed characterization studies, so we have also determined planet densities and bulk compositions for a subset of the sample. Besides planet discovery and characterization, our work has also enabled the statistical study of planet-hosting stellar populations, constraining binary mass ratios and the period distribution. Finally, we have been able to obtain crucial new measurements of previously known benchmark planetary systems, yielding significant enhancements to our understanding of these important targets.

  • 研究成果

    (21件)

すべて 2022 2021

すべて 雑誌論文 (20件) 学会発表 (1件)

  • [雑誌論文] V1298 Tau with TESS: Updated Ephemerides, Radii, and Period Constraints from a Second Transit of V1298 Tau e2022

    • 著者名/発表者名
      Feinstein A D et al.
    • 雑誌名

      The Astrophysical Journal Letters

      巻: 925 ページ: L2~L2

    • DOI

      10.3847/2041-8213/ac4745

  • [雑誌論文] Validation of 13 Hot and Potentially Terrestrial TESS Planets2022

    • 著者名/発表者名
      Giacalone S et al.
    • 雑誌名

      The Astronomical Journal

      巻: 163 ページ: 99~99

    • DOI

      10.3847/1538-3881/ac4334

  • [雑誌論文] HATS-74Ab, HATS-75b, HATS-76b, and HATS-77b: Four Transiting Giant Planets Around K and M Dwarfs*2022

    • 著者名/発表者名
      Jordan A et al.
    • 雑誌名

      The Astronomical Journal

      巻: 163 ページ: 125~125

    • DOI

      10.3847/1538-3881/ac4a77

  • [雑誌論文] A pair of sub-Neptunes transiting the bright K-dwarf TOI-1064 characterized with <i>CHEOPS</i>2022

    • 著者名/発表者名
      Wilson T G et al.
    • 雑誌名

      Monthly Notices of the Royal Astronomical Society

      巻: 511 ページ: 1043~1071

    • DOI

      10.1093/mnras/stab3799

  • [雑誌論文] TOI-220?<i>b</i>: a warm sub-Neptune discovered by <i>TESS</i>2021

    • 著者名/発表者名
      Hoyer S et al.
    • 雑誌名

      Monthly Notices of the Royal Astronomical Society

      巻: 505 ページ: 3361~3379

    • DOI

      10.1093/mnras/stab1427

  • [雑誌論文] Hot planets around cool stars ? two short-period mini-Neptunes transiting the late K-dwarf TOI-12602021

    • 著者名/発表者名
      Georgieva I Y et al.
    • 雑誌名

      Monthly Notices of the Royal Astronomical Society

      巻: 505 ページ: 4684~4701

    • DOI

      10.1093/mnras/stab1464

  • [雑誌論文] TOI-674b: An oasis in the desert of exo-Neptunes transiting a nearby M dwarf2021

    • 著者名/発表者名
      Murgas F et al.
    • 雑誌名

      Astronomy &amp; Astrophysics

      巻: 653 ページ: A60~A60

    • DOI

      10.1051/0004-6361/202140718

  • [雑誌論文] Two Bright M Dwarfs Hosting Ultra-Short-Period Super-Earths with Earth-like Compositions*2021

    • 著者名/発表者名
      Hirano T et al.
    • 雑誌名

      The Astronomical Journal

      巻: 162 ページ: 161~161

    • DOI

      10.3847/1538-3881/ac0fdc

  • [雑誌論文] TOI-1749: an M dwarf with a Trio of Planets including a Near-resonant Pair2021

    • 著者名/発表者名
      Fukui A et al.
    • 雑誌名

      The Astronomical Journal

      巻: 162 ページ: 167~167

    • DOI

      10.3847/1538-3881/ac13a5

  • [雑誌論文] Masses and compositions of three small planets orbiting the nearby M dwarf L231-32 (TOI-270) and the M dwarf radius valley2021

    • 著者名/発表者名
      Van Eylen V et al.
    • 雑誌名

      Monthly Notices of the Royal Astronomical Society

      巻: 507 ページ: 2154-2173

    • DOI

      10.1093/mnras/stab2143

  • [雑誌論文] H-alpha and Ca ii Infrared Triplet Variations During a Transit of the 23 Myr Planet V1298 Tau c2021

    • 著者名/発表者名
      Feinstein Adina D et al.
    • 雑誌名

      The Astronomical Journal

      巻: 162 ページ: 213~213

    • DOI

      10.3847/1538-3881/ac1f24

  • [雑誌論文] A Search for Planetary Metastable Helium Absorption in the V1298 Tau System2021

    • 著者名/発表者名
      Vissapragada S et al.
    • 雑誌名

      The Astronomical Journal

      巻: 162 ページ: 222~222

    • DOI

      10.3847/1538-3881/ac1bb0

  • [雑誌論文] 37 new validated planets in overlapping <i>K2</i> campaigns2021

    • 著者名/発表者名
      de Leon J P et al.
    • 雑誌名

      Monthly Notices of the Royal Astronomical Society

      巻: 508 ページ: 195~218

    • DOI

      10.1093/mnras/stab2305

  • [雑誌論文] Is the orbit of the exoplanet WASP-43b really decaying? <i>TESS</i> and MuSCAT2 observations confirm no detection2021

    • 著者名/発表者名
      Garai Z et al.
    • 雑誌名

      Monthly Notices of the Royal Astronomical Society

      巻: 508 ページ: 5514~5523

    • DOI

      10.1093/mnras/stab2929

  • [雑誌論文] GJ 367b: A dense, ultrashort-period sub-Earth planet transiting a nearby red dwarf star2021

    • 著者名/発表者名
      Lam K W F et al.
    • 雑誌名

      Science

      巻: 374 ページ: 1271~1275

    • DOI

      10.1126/science.aay3253

  • [雑誌論文] The K2-OjOS Project: New and revisited planets and candidates in <i>K2</i> campaigns 5, 16,?&amp; 182021

    • 著者名/発表者名
      Castro-Gonzalez A et al.
    • 雑誌名

      Monthly Notices of the Royal Astronomical Society

      巻: 509 ページ: 1075~1095

    • DOI

      10.1093/mnras/stab2669

  • [雑誌論文] Zodiacal exoplanets in time ? XIII. Planet orbits and atmospheres in the V1298?Tau system, a keystone in studies of early planetary evolution2021

    • 著者名/発表者名
      Gaidos E et al.
    • 雑誌名

      Monthly Notices of the Royal Astronomical Society

      巻: 509 ページ: 2969~2978

    • DOI

      10.1093/mnras/stab3107

  • [雑誌論文] TOI-2285b: A 1.7 Earth-radius planet near the habitable zone around a nearby M dwarf2021

    • 著者名/発表者名
      Fukui A et al.
    • 雑誌名

      Publications of the Astronomical Society of Japan

      巻: 74 ページ: L1~L8

    • DOI

      10.1093/pasj/psab106

  • [雑誌論文] K2-99 revisited: a non-inflated warm Jupiter, and a temperate giant planet on a 522-d orbit around a subgiant2021

    • 著者名/発表者名
      Smith A M S et al.
    • 雑誌名

      Monthly Notices of the Royal Astronomical Society

      巻: 510 ページ: 5035~5049

    • DOI

      10.1093/mnras/stab3497

  • [雑誌論文] TOI-530b: a giant planet transiting an M-dwarf detected by <i>TESS</i>2021

    • 著者名/発表者名
      Gan T et al.
    • 雑誌名

      Monthly Notices of the Royal Astronomical Society

      巻: 511 ページ: 83~99

    • DOI

      10.1093/mnras/stab3708

  • [学会発表] Spitzer and ground-based follow-up of the young transiting multi-planet system V1298 Tau2021

    • 著者名/発表者名
      John Livingston
    • 学会等名
      Japan Geoscience Union Meeting 2021

URL: 

公開日: 2022-12-28  

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