KELT-21b: A Hot Jupiter Transiting the Rapidly Rotating Metal-poor Late-A Primary of a Likely Hierarchical Triple System

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    Marshall C. Johnson, Department of Astronomy, The Ohio State University, 140 West 18th Ave., Columbus, OH 43210, USA johnson.7240@osu.edu 0000-0002-5099-8185, Joseph E. Rodriguez, Harvard-Smithsonian Center for Astrophysics, 60 Garden St., Cambridge, MA 02138, USA 0000-0001-8812-0565, George Zhou, 0000-0002-4891-3517, Erica J. Gonzales, Department of Astronomy and Astrophysics, University of California, Santa Cruz, 1156 High Street, Santa Cruz, CA 95064, USA, Phillip A. Cargile, Harvard-Smithsonian Center for Astrophysics, 60 Garden Street, Cambridge, MA 02138, USA sara.gettel@gmail.com, Justin R. Crepp, Department of Physics, University of Notre Dame, 225 Nieuwland Science Hall, Notre Dame, IN 46556, USA 0000-0003-0800-0593, Kaloyan Penev, Department of Physics, University of Texas at Dallas, Richardson, TX 75080, USA 0000-0003-4464-1371, Keivan G. Stassun, Department of Physics and Astronomy, Vanderbilt University, 6301 Stevenson Center, Nashville, TN, 37235, USA 0000-0002-3481-9052, B. Scott Gaudi, Department of Astronomy, The Ohio State University, 140 West 18th Ave., Columbus, OH 43210, USA 0000-0003-0395-9869, Knicole D. Colón, NASA Goddard Space Flight Center, Greenbelt, MD 20771, USA 0000-0001-8020-7121, Daniel J. Stevens, Department of Astronomy, The Ohio State University, 140 West 18th Ave., Columbus, OH 43210, USA 0000-0002-5951-8328, Klaus G. Strassmeier, Leibniz-Institut für Astrophysik Potsdam (AIP), an der Sternwarte 16, D-14482, Potsdam, Germany, Ilya Ilyin, Leibniz-Institut für Astrophysik Potsdam (AIP), an der Sternwarte 16, D-14482, Potsdam, Germany, Karen A. Collins, Harvard-Smithsonian Center for Astrophysics, 60 Garden St., Cambridge, MA 02138, USA 0000-0001-6588-9574, John F. Kielkopf, Department of Physics and Astronomy, University of Louisville, Louisville, KY 40292, USA 0000-0003-0497-2651, Thomas E. Oberst, Department of Physics, Westminster College, New Wilmington, PA 16172, USA, Luke Maritch, Department of Physical Sciences, Kutztown University, Kutztown, PA 19530, USA, Phillip A. Reed, Department of Physical Sciences, Kutztown University, Kutztown, PA 19530, USA 0000-0002-5005-1215, Joao Gregorio, Atalaia Group & CROW Observatory, Portalegre, Portugal, Valerio Bozza, Istituto Nazionale di Fisica Nucleare, Sezione di Napoli, I-80126 Napoli, Italy 0000-0003-4590-0136, Sebastiano Calchi Novati, IPAC, Mail Code 100-22, California Institute of Technology, 1200 East California Boulevard, Pasadena, CA 91125, USA 0000-0002-7669-1069, Giuseppe D’Ago, INAF-Osservatorio Astronomico di Capodimonte, Salita Moiariello 16, I-80131, Napoli, Italy 0000-0001-9697-7331, Gaetano Scarpetta, Instituto Internazionale per gli Alti Studi Scientifici (IIASS), Via G. Pellegrino 19, I-84019 Vietri sul Mare (SA), Italy, Roberto Zambelli, Società Astronomica Lunae, Castelnuovo Magra I-19030, Italy, David W. Latham, Harvard-Smithsonian Center for Astrophysics, 60 Garden Street Cambridge, MA 02138, USA 0000-0001-9911-7388, Allyson Bieryla, Harvard-Smithsonian Center for Astrophysics, 60 Garden St., Cambridge, MA 02138, USA 0000-0001-6637-5401, William D. Cochran, Department of Astronomy and McDonald Observatory, University of Texas at Austin, 2515 Speedway, Stop C1400, Austin, TX 78712, USA 0000-0001-9662-3496, Michael Endl, Department of Astronomy and McDonald Observatory, University of Texas at Austin, 2515 Speedway, Stop C1400, Austin, TX 78712, USA 0000-0002-7714-6310, Jamie Tayar, Department of Astronomy, The Ohio State University, 140 West 18th Ave., Columbus, OH 43210, USA 0000-0002-4818-7885, Aldo Serenelli, Institut d’Estudis Espacials de Catalunya (IEEC), Edifici Nexus, C/Gran Capita, 2-4, E-08034, Barcelona, Spain,
  • Victor Silva Aguirre
  • Seth P. Clarke, Department of Physics and Astronomy, Brigham Young University, Provo, UT 84602, USA, Maria Martinez, School of Natural Sciences, University of California, Merced, 5200 North Lake Road, Merced, California 95343, USA., Michelle Spencer, Department of Physics and Astronomy, Brigham Young University, Provo, UT 84602, USA, Jason Trump, Department of Physics and Astronomy, Brigham Young University, Provo, UT 84602, USA, Michael D. Joner, Department of Physics and Astronomy, Brigham Young University, Provo, UT 84602, USA 0000-0003-0634-8449, Adam G. Bugg, Department of Physics and Astronomy, Brigham Young University, Provo, UT 84602, USA, Eric G. Hintz, Department of Physics and Astronomy, Brigham Young University, Provo, UT 84602, USA 0000-0002-9867-7938, Denise C. Stephens, Department of Physics and Astronomy, Brigham Young University, Provo, UT 84602, USA, Anicia Arredondo, CREOL, The College of Optics &Photonics, University of Central Florida, Orlando, Florida 32816, USA., Anissa Benzaid, Department of Biomedical Engineering, Boston University, Boston, MA 02215, USA., Sormeh Yazdi, Department of Physics, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA 02139, USA, Kim K. McLeod, Department of Astronomy, Wellesley College, Wellesley, MA 02481, USA 0000-0001-9504-1486, Eric L. N. Jensen, Department of Physics and Astronomy, Swarthmore College, Swarthmore, PA 19081, USA 0000-0002-4625-7333, Daniel A. Hancock, Department of Physics and Astronomy, University of Wyoming, Laramie, WY 82071, USA, Rebecca L. Sorber, Department of Physics and Astronomy, University of Wyoming, Laramie, WY 82071, USA, David H. Kasper, Department of Physics and Astronomy, University of Wyoming, Laramie, WY 82071, USA, Hannah Jang-Condell, Department of Physics and Astronomy, University of Wyoming, Laramie, WY 82071, USA 0000-0002-7639-1322, Thomas G. Beatty, Center for Exoplanets and Habitable Worlds, The Pennsylvania State University, 525 Davey Lab, University Park, PA 16802, USA 0000-0002-9539-4203, Thorsten Carroll, Leibniz-Institut für Astrophysik Potsdam (AIP), an der Sternwarte 16, D-14482, Potsdam, Germany, Jason Eastman, Harvard-Smithsonian Center for Astrophysics, 60 Garden St., Cambridge, MA 02138, USA 0000-0003-3773-5142, David James, Harvard-Smithsonian Center for Astrophysics, 60 Garden St., Cambridge, MA 02138, USA 0000-0001-5160-4486, Rudolf B. Kuhn, Southern African Large Telescope, P.O. Box 9, Observatory, 7935 Cape Town, South Africa 0000-0002-4236-9020, Jonathan Labadie-Bartz, Department of Physics, Lehigh University, 16 Memorial Drive East, Bethlehem, PA 18015, USA 0000-0002-2919-6786, Michael B. Lund, Department of Physics and Astronomy, Vanderbilt University, Nashville, TN 37235, USA 0000-0003-2527-1598, Matthias Mallonn, Leibniz-Institut für Astrophysik Potsdam (AIP), an der Sternwarte 16, D-14482, Potsdam, Germany, Joshua Pepper, Department of Physics, Lehigh University, 16 Memorial Drive East, Bethlehem, PA 18015, USA 0000-0002-3827-8417, Robert J. Siverd, Las Cumbres Observatory, 6740 Cortona Dr., Ste 102, Goleta, CA 93117, USA 0000-0001-5016-3359, Xinyu Yao, Department of Physics, Lehigh University, 16 Memorial Drive East, Bethlehem, PA 18015, USA, David H. Cohen, Department of Physics and Astronomy, Swarthmore College, Swarthmore, PA 19081, USA 0000-0003-2995-4767, Ivan A. Curtis, ICO, Adelaide, South Australia, Australia, D. L. DePoy, Department of Physics and Astronomy, Texas A&M University, College Station, TX 77843-4242, USA, Benjamin J. Fulton, 0000-0003-3504-5316, Matthew T. Penny, Department of Astronomy, The Ohio State University, 140 West 18th Ave., Columbus, OH 43210, USA 0000-0001-7506-5640, Howard Relles, Harvard-Smithsonian Center for Astrophysics, 60 Garden Street, Cambridge, MA 02138, USA sara.gettel@gmail.com, Christopher Stockdale, Hazelwood Observatory, Churchill, Victoria, Australia 0000-0003-2163-1437, Thiam-Guan Tan, Perth Exoplanet Survey Telescope, Perth, Australia 0000-0001-5603-6895, Steven, Jr. Villanueva, 0000-0001-6213-8804
Original languageEnglish
JournalThe Astronomical Journal
Volume155
Issue number2
Pages (from-to)100
ISSN0004-6256
DOIs
StatePublished - 1 Feb 2018
Externally publishedYes

    Research areas

  • planets and satellites: detection, planets and satellites: gaseous planets, methods: observational, stars: individual: HD 332124, techniques: photometric, techniques: radial velocities

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ID: 121723619