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Gliese 12 b: A Temp...
Gliese 12 b: A Temperate Earth-sized Planet at 12 pc Ideal for Atmospheric Transmission Spectroscopy
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- Kuzuhara, Masayuki (author)
- National Institutes of Natural Sciences (NINS)
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- Fukui, A. (author)
- University of Tokyo, Japan,Instituto de Astrofísica de Canarias
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- Livingston, J.H. (author)
- The Graduate University for Advanced Studies (SOKENDAI),National Institutes of Natural Sciences (NINS)
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show more...
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- De Leon, Jerome P. (author)
- University of Tokyo, Japan
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- Hirano, Teruyuki (author)
- National Institutes of Natural Sciences (NINS),The Graduate University for Advanced Studies (SOKENDAI)
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- Kasagi, Yui (author)
- National Institutes of Natural Sciences (NINS),The Graduate University for Advanced Studies (SOKENDAI)
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- Murgas, F. (author)
- Universidad de la Laguna,University of La Laguna,Instituto de Astrofísica de Canarias
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- Narita, Norio (author)
- University of Tokyo, Japan,National Institutes of Natural Sciences (NINS),Instituto de Astrofísica de Canarias
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- Omiya, Masashi (author)
- National Institutes of Natural Sciences (NINS)
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- Orell-Miquel, Jaume (author)
- Universidad de la Laguna,University of La Laguna,Instituto de Astrofísica de Canarias
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- Palle, Enric (author)
- Universidad de la Laguna,University of La Laguna,Instituto de Astrofísica de Canarias
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- Changeat, Quentin (author)
- University College London (UCL)
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- Esparza-Borges, Emma (author)
- Instituto de Astrofísica de Canarias,Universidad de la Laguna,University of La Laguna
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- Harakawa, Hiroki (author)
- National Astronomical Observatory of Japan
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- Hellier, Coel (author)
- Keele University
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- Hori, Yasunori (author)
- National Institutes of Natural Sciences (NINS),The Graduate University for Advanced Studies (SOKENDAI)
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- Ishikawa, Hiroyuki Tako (author)
- Western University
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- Kodama, Takanori (author)
- Tokyo Institute of Technology
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- Kotani, Takayuki (author)
- National Institutes of Natural Sciences (NINS),The Graduate University for Advanced Studies (SOKENDAI)
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- Kudo, Tomoyuki (author)
- National Astronomical Observatory of Japan
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- Morales, Juan C. (author)
- Agencia Estatal Consejo Superior de Investigaciones Científicas,Spanish National Research Council,Institut d'Estudis Espacials de Catalunya (IEEC),Institute of Space Studies of Catalonia (IEEC)
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- Mori, Mayuko (author)
- University of Tokyo, Japan
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- Nagel, Evangelos (author)
- Georg-August-Universität Göttingen,University of Göttingen
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- Parviainen, Hannu (author)
- Universidad de la Laguna,University of La Laguna,Instituto de Astrofísica de Canarias
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- Perdelwitz, Volker (author)
- Ariel University
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- Reiners, Ansgar (author)
- Georg-August-Universität Göttingen,University of Göttingen
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- Ribas, Ignasi (author)
- Institut d'Estudis Espacials de Catalunya (IEEC),Institute of Space Studies of Catalonia (IEEC)
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Sanz-Forcada, Jorge (author)
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- Sato, Bun'ei (author)
- Tokyo Institute of Technology
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Schweitzer, Andreas (author)
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- Tabernero, Hugo M. (author)
- Universidad Complutense de Madrid,Complutense University
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- Takarada, Takuya (author)
- National Institutes of Natural Sciences (NINS)
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- Uyama, Taichi (author)
- The California State University, United States
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- Zechmeister, Mathias (author)
- Georg-August-Universität Göttingen,University of Göttingen
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- Garcia, Nestor Abreu (author)
- Instituto de Astrofísica de Canarias,Universidad de la Laguna,University of La Laguna
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- Beichman, Charles (author)
- California Institute of Technology (Caltech)
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- Bejar, Victor J. S. (author)
- Universidad de la Laguna,University of La Laguna
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- Brandt, Timothy D. (author)
- University of California at Santa Barbara (UCSB)
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- Calatayud-Borras, Yessica (author)
- Instituto de Astrofísica de Canarias,Universidad de la Laguna,University of La Laguna
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- Carleo, Ilaria (author)
- Universidad de la Laguna,University of La Laguna
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- Charbonneau, David (author)
- Harvard-Smithsonian Center for Astrophysics
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- Collins, Karen A. (author)
- Harvard-Smithsonian Center for Astrophysics
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- Currie, Thayne (author)
- National Astronomical Observatory of Japan,University of Texas at San Antonio
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Doty, John P. (author)
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- Dreizler, Stefan (author)
- Georg-August-Universität Göttingen,University of Göttingen
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- Fernandez-Rodriguez, Gareb (author)
- Universidad de la Laguna,University of La Laguna,Instituto de Astrofísica de Canarias
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- Fukuda, Izuru (author)
- University of Tokyo, Japan
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- Galan, Daniel (author)
- Instituto de Astrofísica de Canarias,Universidad de la Laguna,University of La Laguna
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- Geraldia-Gonzalez, Samuel (author)
- Universidad de la Laguna,University of La Laguna,Instituto de Astrofísica de Canarias
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- Gonzalez-Rodriguez, Josafat (author)
- Universidad de la Laguna,University of La Laguna,Instituto de Astrofísica de Canarias
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- Hedges, Christina (author)
- University of Maryland, Baltimore,NASA Goddard Space Flight Center
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- Henning, Thomas (author)
- Max-Planck-Institut für Astronomie,Max Planck Institute for Astronomy
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- Hodapp, Klaus (author)
- University of Hawaii
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- Ikoma, Masahiro (author)
- The Graduate University for Advanced Studies (SOKENDAI),National Institutes of Natural Sciences (NINS)
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- Isogai, Keisuke (author)
- Kyoto University
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- Jacobson, Shane (author)
- University of Hawaii
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- Janson, Markus (author)
- Stockholms universitet,Stockholm University
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- Jenkins, Jon M. (author)
- NASA Ames Research Center
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- Kagetani, Taiki (author)
- University of Tokyo, Japan
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- Kawai, Yugo (author)
- University of Tokyo, Japan
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- Kawauchi, Kiyoe (author)
- Ritsumeikan Universitet,Ritsumeikan University
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- Kokubo, Eiichiro (author)
- National Institutes of Natural Sciences (NINS)
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- Konishi, Mihoko (author)
- Oita University
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- Korth, Judith (author)
- Lunds universitet,Lund University
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- Krishnamurthy, Vigneshwaran (author)
- McGill University,Université de Montréal
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- Kurokawa, Takashi (author)
- National Institutes of Natural Sciences (NINS),Tokyo University of Agriculture and Technology
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- Kusakabe, Nobuhiko (author)
- National Institutes of Natural Sciences (NINS)
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- Kwon, Jungmi (author)
- University of Tokyo, Japan
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- Laza-Ramos, Andres (author)
- Universitat de Valencia
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- Luque, Florence Libotte Rafael (author)
- Universidad de la Laguna,University of La Laguna
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- Madrigal-Aguado, Alberto (author)
- University of Chicago
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- Matsumoto, Yuji (author)
- National Institutes of Natural Sciences (NINS)
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- Mawet, Dimitri (author)
- California Institute of Technology (Caltech)
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- Gallardo, Pedro Pablo Meni (author)
- Universidad de la Laguna,University of La Laguna
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- Morello, Giuseppe, 1989 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Torres, Sara Munoz (author)
- Universidad de la Laguna,University of La Laguna
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- Nishikawa, Jun (author)
- National Institutes of Natural Sciences (NINS)
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- Nugroho, Stevanus K. (author)
- National Institutes of Natural Sciences (NINS)
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- Ogihara, Masahiro (author)
- Shanghai Jiao Tong University
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- Pelaez-Torres, Alberto (author)
- Universidad de la Laguna,University of La Laguna
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- Rapetti, David (author)
- Universities Space Research Association
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- Sánchez-Benavente, M. (author)
- Universidad de la Laguna,University of La Laguna
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- Schlecker, Martin (author)
- University of Arizona
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- Seager, Sara (author)
- Massachusetts Institute of Technology (MIT)
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- Serizawa, Takuma (author)
- National Institutes of Natural Sciences (NINS),Tokyo University of Agriculture and Technology
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- Stangret, M. (author)
- Istituto nazionale di astrofisica (INAF)
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- Takahashi, Aoi (author)
- National Institutes of Natural Sciences (NINS)
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- Teng, Huan-Yu (author)
- Chinese Academy of Sciences,Tokyo Institute of Technology
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- Tamura, Motohide (author)
- University of Tokyo, Japan,National Institutes of Natural Sciences (NINS)
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- Terada, Yuka (author)
- Academia Sinica Taiwan,National Taiwan University
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- Ueda, Akitoshi (author)
- The Graduate University for Advanced Studies (SOKENDAI),National Institutes of Natural Sciences (NINS)
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- Usuda, Tomonori (author)
- National Institutes of Natural Sciences (NINS),The Graduate University for Advanced Studies (SOKENDAI)
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- Vievard, Sebastien (author)
- National Institutes of Natural Sciences (NINS),National Astronomical Observatory of Japan
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Watanabe, David (author)
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- Winn, Joshua N. (author)
- Princeton University
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(creator_code:org_t)
- 2024
- 2024
- English.
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In: Astrophysical Journal Letters. - 2041-8213 .- 2041-8205. ; 969:1
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https://doi.org/10.3...
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Abstract
Subject headings
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- Recent discoveries of Earth-sized planets transiting nearby M dwarfs have made it possible to characterize the atmospheres of terrestrial planets via follow-up spectroscopic observations. However, the number of such planets receiving low insolation is still small, limiting our ability to understand the diversity of the atmospheric composition and climates of temperate terrestrial planets. We report the discovery of an Earth-sized planet transiting the nearby (12 pc) inactive M3.0 dwarf Gliese 12 (TOI-6251) with an orbital period (P(or)b) of 12.76 days. The planet, Gliese 12 b, was initially identified as a candidate with an ambiguous P-orb from TESS data. We confirmed the transit signal and P-orb using ground-based photometry with MuSCAT2 and MuSCAT3, and validated the planetary nature of the signal using high-resolution images from Gemini/NIRI and Keck/NIRC2 as well as radial velocity (RV) measurements from the InfraRed Doppler instrument on the Subaru 8.2 m telescope and from CARMENES on the CAHA 3.5 m telescope. X-ray observations with XMM-Newton showed the host star is inactive, with an X-ray-to-bolometric luminosity ratio of log L-X/L-bol approximate to - 5.7. Joint analysis of the light curves and RV measurements revealed that Gliese 12 b has a radius of 0.96 +/- 0.05 R-circle plus, a 3 sigma mass upper limit of 3.9M(circle plus), and an equilibrium temperature of 315 +/- 6 K assuming zero albedo. The transmission spectroscopy metric (TSM) value of Gliese 12 b is close to the TSM values of the TRAPPIST-1 planets, adding Gliese 12 b to the small list of potentially terrestrial, temperate planets amenable to atmospheric characterization with JWST.
Subject headings
- NATURVETENSKAP -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)
Publication and Content Type
- art (subject category)
- ref (subject category)
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Kuzuhara, Masayu ...
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Fukui, A.
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Livingston, J.H.
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De Leon, Jerome ...
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Hirano, Teruyuki
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Kasagi, Yui
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show more...
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Murgas, F.
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Narita, Norio
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Omiya, Masashi
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Orell-Miquel, Ja ...
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Palle, Enric
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Changeat, Quenti ...
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Esparza-Borges, ...
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Harakawa, Hiroki
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Hellier, Coel
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Hori, Yasunori
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Ishikawa, Hiroyu ...
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Kodama, Takanori
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Kotani, Takayuki
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Kudo, Tomoyuki
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Morales, Juan C.
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Mori, Mayuko
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Nagel, Evangelos
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Parviainen, Hann ...
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Perdelwitz, Volk ...
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Reiners, Ansgar
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Ribas, Ignasi
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Sanz-Forcada, Jo ...
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Sato, Bun'ei
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Schweitzer, Andr ...
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Tabernero, Hugo ...
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Takarada, Takuya
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Uyama, Taichi
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Zechmeister, Mat ...
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Garcia, Nestor A ...
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Beichman, Charle ...
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Bejar, Victor J. ...
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Brandt, Timothy ...
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Calatayud-Borras ...
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Carleo, Ilaria
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Charbonneau, Dav ...
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Collins, Karen A ...
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Currie, Thayne
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Doty, John P.
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Dreizler, Stefan
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Fernandez-Rodrig ...
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Fukuda, Izuru
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Galan, Daniel
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Geraldia-Gonzale ...
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Gonzalez-Rodrigu ...
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Hedges, Christin ...
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Henning, Thomas
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Hodapp, Klaus
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Ikoma, Masahiro
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Isogai, Keisuke
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Jacobson, Shane
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Janson, Markus
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Jenkins, Jon M.
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Kagetani, Taiki
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Kawai, Yugo
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Kawauchi, Kiyoe
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Kokubo, Eiichiro
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Konishi, Mihoko
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Korth, Judith
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Krishnamurthy, V ...
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Kurokawa, Takash ...
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Kusakabe, Nobuhi ...
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Kwon, Jungmi
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Laza-Ramos, Andr ...
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Luque, Florence ...
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Madrigal-Aguado, ...
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Matsumoto, Yuji
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Mawet, Dimitri
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Gallardo, Pedro ...
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Morello, Giusepp ...
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Torres, Sara Mun ...
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Nishikawa, Jun
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Nugroho, Stevanu ...
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Ogihara, Masahir ...
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Pelaez-Torres, A ...
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Rapetti, David
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Sánchez-Benavent ...
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Schlecker, Marti ...
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Seager, Sara
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Serizawa, Takuma
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Stangret, M.
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Takahashi, Aoi
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Teng, Huan-Yu
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Tamura, Motohide
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Terada, Yuka
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Ueda, Akitoshi
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Usuda, Tomonori
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Vievard, Sebasti ...
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Watanabe, David
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Winn, Joshua N.
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Astronomy Astrop ...
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Astrophysical Jo ...
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Chalmers University of Technology