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2020 Fiscal Year Research-status Report

Large-scale planet detection with TESS

Research Project

Project/Area Number 20K14518
Research InstitutionThe University of Tokyo

Principal Investigator

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)

Project Period (FY) 2020-04-01 – 2022-03-31
Keywordsastronomy / exoplanets / transits / radial velocity
Outline of Annual Research Achievements

I have continued to develop transit and radial velocity analysis pipelines tailored for TESS data, as well as publishing in scientific journals, including the following recently submitted articles:
Hoyer, Gandolfi, Armstrong et al. (including Livingston), "TOI-220b: a warm sub-Neptune discovered by TESS", accepted to Monthly Notices of the RAS, arXiv:2105.01944
Georgieva, Persson, Barragan et al. (including Livingston), "Hot planets around cool stars -- two short-period mini-Neptunes transiting the late K-dwarf TOI-1260", submitted to Astronomy & Astrophysics, arXiv:2104.05653
Hirano, Livingston, Fukui et al., "Two Bright M Dwarfs Hosting Ultra-Short-Period Super-Earths with Earth-like Compositions", submitted to The Astronomical Journal, arXiv:2103.12760

Current Status of Research Progress
Current Status of Research Progress

2: Research has progressed on the whole more than it was originally planned.

Reason

In addition to the publications listed above, several publications remain in progress. Furthermore, I have finished building several workstations for large scale data analysis, which I have begun using for analysis of data from the TESS mission.

Strategy for Future Research Activity

The plan for the future is to focus primarily on applying enhanced computational capabilities to more of the TESS data. The shift will thus be away from more traditional CPU-based analysis methods to large scale GPU-based analyses.

  • Research Products

    (26 results)

All 2021 2020

All Journal Article (25 results) Presentation (1 results) (of which Int'l Joint Research: 1 results,  Invited: 1 results)

  • [Journal Article] SpiKeS: Precision Warm Spitzer Photometry of the Kepler Field2021

    • Author(s)
      Werner Michael W.、Gorjian Varoujan、Morales Farisa Y.、Livingston John H.、Kennedy Grant M.、Akeson Rachel L.、Beichman Charles、Ciardi David R.、Furlan Elise、Lowrance Patrick J.、Mamajek Eric E.、Plavchan Peter、Stark Christopher C.、Wyatt Mark C.
    • Journal Title

      The Astrophysical Journal Supplement Series

      Volume: 254 Pages: 11~11

    • DOI

      10.3847/1538-4365/abea20

  • [Journal Article] K2-138 g: Spitzer Spots a Sixth Planet for the Citizen Science System2021

    • Author(s)
      Hardegree-Ullman Kevin K.、Christiansen Jessie L.、Ciardi David R.、Crossfield Ian J. M.、Dressing Courtney D.、Livingston John H.、Volk Kathryn、Agol Eric、Barclay Thomas、Barentsen Geert、Benneke Bj?rn、Gorjian Varoujan、Kristiansen Martti H.
    • Journal Title

      The Astronomical Journal

      Volume: 161 Pages: 219~219

    • DOI

      10.3847/1538-3881/abeab0

  • [Journal Article] Speckle Observations of TESS Exoplanet Host Stars: Understanding the Binary Exoplanet Host Star Orbital Period Distribution2021

    • Author(s)
      Howell Steve B.、Matson Rachel A.、Ciardi David R.、Everett Mark E.、Livingston John H.、Scott Nicholas J.、Horch Elliott P.、Winn Joshua N.
    • Journal Title

      The Astronomical Journal

      Volume: 161 Pages: 164~164

    • DOI

      10.3847/1538-3881/abdec6

  • [Journal Article] A Multiwavelength Look at the GJ 9827 System: No Evidence of Extended Atmospheres in GJ 9827b and d from HST and CARMENES Data2021

    • Author(s)
      Carleo Ilaria、Youngblood Allison、Redfield Seth、Barris Nuria Casasayas、et al.
    • Journal Title

      The Astronomical Journal

      Volume: 161 Pages: 136~136

    • DOI

      10.3847/1538-3881/abdb2f

  • [Journal Article] TOI-954 b and K2-329 b: Short-period Saturn-mass Planets that Test whether Irradiation Leads to Inflation2021

    • Author(s)
      Sha Lizhou、Huang Chelsea X.、Shporer Avi、Rodriguez Joseph E.、et al.
    • Journal Title

      The Astronomical Journal

      Volume: 161 Pages: 82~82

    • DOI

      10.3847/1538-3881/abd187

  • [Journal Article] WASP-107b’s Density Is Even Lower: A Case Study for the Physics of Planetary Gas Envelope Accretion and Orbital Migration2021

    • Author(s)
      Piaulet Caroline、Benneke Bj?rn、Rubenzahl Ryan A.、Howard Andrew W.、et al.
    • Journal Title

      The Astronomical Journal

      Volume: 161 Pages: 70~70

    • DOI

      10.3847/1538-3881/abcd3c

  • [Journal Article] TESS Hunt for Young and Maturing Exoplanets (THYME). IV. Three Small Planets Orbiting a 120 Myr Old Star in the Pisces?Eridanus Stream2021

    • Author(s)
      Newton Elisabeth R.、Mann Andrew W.、Kraus Adam L.、Livingston John H.、et al.
    • Journal Title

      The Astronomical Journal

      Volume: 161 Pages: 65~65

    • DOI

      10.3847/1538-3881/abccc6

  • [Journal Article] The GAPS Programme at TNG2021

    • Author(s)
      Carleo I.、Desidera S.、Nardiello D.、Malavolta L.、Lanza A. F.、Livingston J.、et al.
    • Journal Title

      Astronomy & Astrophysics

      Volume: 645 Pages: A71~A71

    • DOI

      10.1051/0004-6361/202039042

  • [Journal Article] A planetary system with two transiting mini-Neptunes near the radius valley transition around the bright M dwarf TOI-7762021

    • Author(s)
      Luque R.、Serrano L. M.、Molaverdikhani K.、Nixon M. C.、Livingston J. H.、et al.
    • Journal Title

      Astronomy & Astrophysics

      Volume: 645 Pages: A41~A41

    • DOI

      10.1051/0004-6361/202039455

  • [Journal Article] An enhanced slope in the transmission spectrum of the hot Jupiter WASP-104b2020

    • Author(s)
      Chen G、Pall? E、Parviainen H、Wang H、van?Boekel R、Murgas F、et al.
    • Journal Title

      Monthly Notices of the Royal Astronomical Society

      Volume: 500 Pages: 5420~5435

    • DOI

      10.1093/mnras/staa3555

  • [Journal Article] Physical Parameters of the Multiplanet Systems HD 106315 and GJ 98272020

    • Author(s)
      Kosiarek Molly R.、Berardo David A.、Crossfield Ian J. M.、Laguna Cesar、et al.
    • Journal Title

      The Astronomical Journal

      Volume: 161 Pages: 47~47

    • DOI

      10.3847/1538-3881/abca39

  • [Journal Article] Transmission Spectroscopy for the Warm Sub-Neptune HD 3167c: Evidence for Molecular Absorption and a Possible High-metallicity Atmosphere2020

    • Author(s)
      Mikal-Evans Thomas、Crossfield Ian J. M.、Benneke Bj?rn、Kreidberg Laura、et al.
    • Journal Title

      The Astronomical Journal

      Volume: 161 Pages: 18~18

    • DOI

      10.3847/1538-3881/abc874

  • [Journal Article] TOI-519 b: A short-period substellar object around an M dwarf validated using multicolour photometry and phase curve analysis2020

    • Author(s)
      Parviainen H.、Palle E.、Zapatero-Osorio M. R.、Nowak G.、Fukui A.、et al.
    • Journal Title

      Astronomy & Astrophysics

      Volume: 645 Pages: A16~A16

    • DOI

      10.1051/0004-6361/202038934

  • [Journal Article] On-sky examination of optical diffusers installed in MuSCAT2020

    • Author(s)
      Nishiumi Taku、Narita Norio、Fukui Akihiko、Watanabe Noriharu、Kawauchi Kiyoe、Izumiura Hideyuki、Maehara Hiroyuki、Kusakabe Nobuhiko、Isogai Keisuke、Terada Yuka、Livingston John、Mori Mayuko
    • Journal Title

      SPIE

      Volume: 11447 Pages: 114476K

    • DOI

      10.1117/12.2561286

  • [Journal Article] MuSCAT3: a 4-color simultaneous camera for the 2m Faulkes Telescope North2020

    • Author(s)
      Narita Norio、Fukui Akihiko、Yamamuro Tomoyasu、Harbeck Daniel-Rolf、et al.
    • Journal Title

      SPIE

      Volume: 11447 Pages: 114475K

    • DOI

      10.1117/12.2559947

  • [Journal Article] Planetary candidates transiting cool dwarf stars from campaigns 12 to 15 of K22020

    • Author(s)
      Castro?Gonz?lez A、D?ez?Alonso E、Men?ndez?Blanco J、Livingston John H、de?Leon Jerome P、Su?rez?G?mez S L、Gonz?lez?Guti?rrez C、Garc?a?Riesgo F、Bonavera L、Iglesias?Rodr?guez F J、Mu?iz R、Everett Mark E、Scott N J、Howell Steve B、Ciardi David R、Gonzales Erica J、Schlieder Joshua E、de?Cos?Juez F J
    • Journal Title

      Monthly Notices of the Royal Astronomical Society

      Volume: 499 Pages: 5416~5441

    • DOI

      10.1093/mnras/staa2353

  • [Journal Article] The CARMENES search for exoplanets around M dwarfs2020

    • Author(s)
      Dreizler S.、Crossfield I. J. M.、Kossakowski D.、Plavchan P.、Jeffers S. V.、et al.
    • Journal Title

      Astronomy & Astrophysics

      Volume: 644 Pages: A127~A127

    • DOI

      10.1051/0004-6361/202038016

  • [Journal Article] The TOI-763 system: sub-Neptunes orbiting a Sun-like star2020

    • Author(s)
      Fridlund M、Livingston J、Gandolfi D、Persson C M、Lam K W F、et al.
    • Journal Title

      Monthly Notices of the Royal Astronomical Society

      Volume: 498 Pages: 4503~4517

    • DOI

      10.1093/mnras/staa2502

  • [Journal Article] Cluster Difference Imaging Photometric Survey. II. TOI 837: A Young Validated Planet in IC 26022020

    • Author(s)
      Bouma L. G.、Hartman J. D.、Brahm R.、Evans P.、Collins K. A.、et al.
    • Journal Title

      The Astronomical Journal

      Volume: 160 Pages: 239~239

    • DOI

      10.3847/1538-3881/abb9ab

  • [Journal Article] K2-280?b ? a low density warm sub-Saturn around a mildly evolved star2020

    • Author(s)
      Nowak Grzegorz、Palle Enric、Gandolfi Davide、Deeg Hans J、et al.
    • Journal Title

      Monthly Notices of the Royal Astronomical Society

      Volume: 497 Pages: 4423~4435

    • DOI

      10.1093/mnras/staa2077

  • [Journal Article] Discovery of a hot, transiting, Earth-sized planet and a second temperate, non-transiting planet around the M4 dwarf GJ 3473 (TOI-488)2020

    • Author(s)
      Kemmer J.、Stock S.、Kossakowski D.、Kaminski A.、Molaverdikhani K.、et al.
    • Journal Title

      Astronomy & Astrophysics

      Volume: 642 Pages: A236~A236

    • DOI

      10.1051/0004-6361/202038967

  • [Journal Article] Obliquity measurement and atmospheric characterisation of the WASP-74 planetary system2020

    • Author(s)
      Luque R.、Casasayas-Barris N.、Parviainen H.、Chen G.、Pall? E.、Livingston J.、et al.
    • Journal Title

      Astronomy & Astrophysics

      Volume: 642 Pages: A50~A50

    • DOI

      10.1051/0004-6361/202038703

  • [Journal Article] The Multiplanet System TOI-4212020

    • Author(s)
      Carleo Ilaria、Gandolfi Davide、Barrag?n Oscar、Livingston John H.、et al.
    • Journal Title

      The Astronomical Journal

      Volume: 160 Pages: 114~114

    • DOI

      10.3847/1538-3881/aba124

  • [Journal Article] Precise mass and radius of a transiting super-Earth planet orbiting the M dwarf TOI-1235: a planet in the radius gap?2020

    • Author(s)
      Bluhm P.、Luque R.、Espinoza N.、Pall? E.、Caballero J. A.、Dreizler S.、Livingston J. H.、et al.
    • Journal Title

      Astronomy & Astrophysics

      Volume: 639 Pages: A132~A132

    • DOI

      10.1051/0004-6361/202038160

  • [Journal Article] Following the TraCS of exoplanets with Pan-Planets: Wendelstein-1b and Wendelstein-2b2020

    • Author(s)
      Obermeier C.、Steuer J.、Kellermann H.、Saglia R. P.、Henning Th.、Riffeser A.、Hopp U.、Stefansson G.、Ca?as C.、Ninan J.、Mahadevan S.、Isaacson H.、Howard A. W.、Livingston J.、Koppenhoefer J.、Bender R.
    • Journal Title

      Astronomy & Astrophysics

      Volume: 639 Pages: A130~A130

    • DOI

      10.1051/0004-6361/202037715

  • [Presentation] Confirmation and Characterization of Exoplanets with NESSI2020

    • Author(s)
      Livingston, John
    • Organizer
      American Astronomical Society meeting #236
    • Int'l Joint Research / Invited

URL: 

Published: 2021-12-27  

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