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Acta Astronomica

2019 | Vol. 69, No. 2 | 135--158
Tytuł artykułu

K2-295 b and K2-237 b: Two Transiting Hot Jupiters

Autorzy
Smith, A. M. S. , Csizmadia, Sz. , Gandolfi, D. , Albrecht, S. , Alonso, R. , Barragán, O. , Cabrera, J. , Cochran, W. D. , Dai, F. , Deeg, H. , Eigmüller, Ph. , Endl, M. , Erikson, A. , Fridlund, M. , Fukui, A. , Grziwa, S. , Guenther, E. W. , Hatzes, A. P. , Hidalgo, D. , Hirano, T. , Korth, J. , Kuzuhara, M. , Livingston, J. , Narita, N. , Nespral, D. , Niraula, P. , Nowak, G. , Palle, E. , Pätzold, M. , Persson, C. M. , Prieto-Arranz, J. , Rauer, H. , Redfield, S. , Ribas, I. , Van Eylen, V.
Wybrane pełne teksty z tego czasopisma
Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
We report the discovery from K2 of two transiting hot Jupiter systems. K2-295 (observed in Campaign 8) is a K5 dwarf which hosts a planet slightly smaller than Jupiter, orbiting with a period of 4.0 d. We have made an independent discovery of K2-237 b (Campaign 11), which orbits an F9 dwarf every 2.2 d and has an inflated radius 60-70% larger than that of Jupiter. We use high-precision radial velocity measurements, obtained using the HARPS and FIES spectrographs, to measure the planetary masses. We find that K2-295 b has a similar mass to Saturn, while K2-237 b is a little more massive than Jupiter.
Słowa kluczowe
EN
Wydawca

Czasopismo
Acta Astronomica
Rocznik
2019
Tom
Vol. 69, No. 2
Strony
135--158
Opis fizyczny
Bibliogr. 71 poz., rys., tab., wykr., zdj.
Twórcy
autor
Smith, A. M. S.
  • nstitute of Planetary Research, German Aerospace Center, Rutherfordstrasse 2, 12489 Berlin, Germany, Alexis.Smith@dlr.de
autor
Csizmadia, Sz.
  • Institute of Planetary Research, German Aerospace Center, Rutherfordstrasse 2, 12489 Berlin, Germany
autor
Gandolfi, D.
  • Dipartimento di Fisica, Universitá di Torino, Via P. Giuria 1, I-10125, Torino, Italy
autor
Albrecht, S.
  • Stellar Astrophysics Centre, Department of Physics and Astronomy, Aarhus University, Ny Munkegade 120, DK-8000 Aarhus C, Denmark
autor
Alonso, R.
  • Instituto de Astrofísica de Canarias (IAC), 38205 La Laguna, Tenerife, Spain
  • Departamento de Astrofísica, Universidad de La Laguna (ULL), 38206 La Laguna, Tenerife, Spain
autor
Barragán, O.
  • Dipartimento di Fisica, Universitá di Torino, Via P. Giuria 1, I-10125, Torino, Italy
autor
Cabrera, J.
  • Institute of Planetary Research, German Aerospace Center, Rutherfordstrasse 2, 12489 Berlin, Germany
autor
Cochran, W. D.
  • Department of Astronomy and McDonald Observatory, University of Texas at Austin, 2515 Speedway, Stop C1400, Austin, TX 78712, USA
autor
Dai, F.
  • Department of Physics and Kavli Institute for Astrophysics and Space Research, Massachusetts Institute of Technology, Cambridge, MA 02139,USA
autor
Deeg, H.
  • nstituto de Astrofísica de Canarias (IAC), 38205 La Laguna, Tenerife, Spain
  • Departamento de Astrofísica, Universidad de La Laguna (ULL), 38206 La Laguna, Tenerife, Spain
autor
Eigmüller, Ph.
  • Institute of Planetary Research, German Aerospace Center, Rutherfordstrasse 2, 12489 Berlin, Germany
  • Leiden Observatory, Leiden University, 2333CA Leiden, The Netherlands
autor
Endl, M.
  • Department of Astronomy and McDonald Observatory, University of Texas at Austin, 2515 Speedway, Stop C1400, Austin, TX 78712, USA
autor
Erikson, A.
  • Institute of Planetary Research, German Aerospace Center, Rutherfordstrasse 2, 12489 Berlin, Germany
autor
Fridlund, M.
  • Leiden Observatory, Leiden University, 2333CA Leiden, The Netherlands
  • Chalmers University of Technology, Department of Space, Earth and Environment, Onsala Space Observatory, SE-439 92 Onsala, Sweden
  • Instituto de Astrofísica de Canarias (IAC), 38205 La Laguna, Tenerife, Spain
autor
Fukui, A.
  • Subaru Telescope Okayama Branch Office, National Astronomical Observatory of Japan, NINS, 3037-5 Honjo, Kamogata, Asakuchi, Okayama 719-0232, Japan
  • Instituto de Astrofísica de Canarias (IAC), 38205 La Laguna, Tenerife, Spain
autor
Grziwa, S.
  • Rheinisches Institut für Umweltforschung an der Universität zu Köln, Aachener Strasse 209, 50931 Köln, Germany
autor
Guenther, E. W.
  • Thüringer Landessternwarte Tautenburg, Sternwarte 5, 07778 Tautenburg, Germany
autor
Hatzes, A. P.
  • Thüringer Landessternwarte Tautenburg, Sternwarte 5, 07778 Tautenburg, Germany
autor
Hidalgo, D.
  • Instituto de Astrofísica de Canarias (IAC), 38205 La Laguna, Tenerife, Spain
  • Departamento de Astrofísica, Universidad de La Laguna (ULL), 38206 La Laguna, Tenerife, Spain
autor
Hirano, T.
  • Department of Earth and Planetary Sciences, Tokyo Institute of Technology, 2-12-1 Ookayama, Meguro-ku, Tokyo 152-8551, Japan
autor
Korth, J.
  • Rheinisches Institut für Umweltforschung an der Universität zu Köln, Aachener Strasse 209, 50931 Köln, Germany
autor
Kuzuhara, M.
  • Astrobiology Center, NINS, 2-21-1 Osawa, Mitaka, Tokyo 181-8588, Japan
  • National Astronomical Observatory of Japan, NINS, 2-21-1 Osawa, Mitaka, Tokyo 181-8588, Japan
autor
Livingston, J.
  • Department of Astronomy, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
autor
Narita, N.
  • Department of Astronomy, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
  • Astrobiology Center, NINS, 2-21-1 Osawa, Mitaka, Tokyo 181-8588, Japan
  • National Astronomical Observatory of Japan, NINS, 2-21-1 Osawa, Mitaka, Tokyo 181-8588, Japan
  • Instituto de Astrofísica de Canarias (IAC), 38205 La Laguna, Tenerife, Spain
autor
Nespral, D.
  • nstituto de Astrofísica de Canarias (IAC), 38205 La Laguna, Tenerife, Spain
  • Departamento de Astrofísica, Universidad de La Laguna (ULL), 38206 La Laguna, Tenerife, Spain
autor
Niraula, P.
  • Astronomy Department and Van Vleck Observatory, Wesleyan University, Middletown, CT 06459, USA
autor
Nowak, G.
  • Instituto de Astrofísica de Canarias (IAC), 38205 La Laguna, Tenerife, Spain
  • Departamento de Astrofísica, Universidad de La Laguna (ULL), 38206 La Laguna, Tenerife, Spain
autor
Palle, E.
  • Instituto de Astrofísica de Canarias (IAC), 38205 La Laguna, Tenerife, Spain
  • Departamento de Astrofísica, Universidad de La Laguna (ULL), 38206 La Laguna, Tenerife, Spain
autor
Pätzold, M.
  • Rheinisches Institut für Umweltforschung an der Universität zu Köln, Aachener Strasse 209, 50931 Köln, Germany
autor
Persson, C. M.
  • Chalmers University of Technology, Department of Space, Earth and Environment, Onsala Space Observatory, SE-439 92 Onsala, Sweden
autor
Prieto-Arranz, J.
  • Instituto de Astrofísica de Canarias (IAC), 38205 La Laguna, Tenerife, Spain
  • Departamento de Astrofísica, Universidad de La Laguna (ULL), 38206 La Laguna, Tenerife, Spain
autor
Rauer, H.
  • Institute of Planetary Research, German Aerospace Center, Rutherfordstrasse 2, 12489 Berlin, Germany
  • Center for Astronomy and Astrophysics, TU Berlin, Hardenbergstr. 36, 10623 Berlin, Germany
  • Institute of Geological Sciences, Freie Universität Berlin, Malteserstr. 74-100, 12249 Berlin, Germany
autor
Redfield, S.
  • Astronomy Department and Van Vleck Observatory, Wesleyan University, Middletown, CT 06459, USA
autor
Ribas, I.
  • Institut de Ciéncies de l'Espai (ICE, CSIC), Campus UAB, Can Magrans s/n, 08193 Bellaterra, Spain
  • Institut d'Estudis Espacials de Catalunya (IEEC), 08034 Barcelona, Spain
autor
Van Eylen, V.
  • Leiden Observatory, Leiden University, 2333CA Leiden, The Netherlands
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Uwagi
Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2020)
Typ dokumentu
Bibliografia
Identyfikatory
DOI
10.32023/0001-5237/69.2.3
Identyfikator YADDA
bwmeta1.element.baztech-153a6bce-22a4-4808-a8de-af098458a327
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