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Characteristics of Kepler Planetary Candidates Based on the First Data Set

Borucki, William J. and Ciardi, David and Howard, Andrew (2011) Characteristics of Kepler Planetary Candidates Based on the First Data Set. Astrophysical Journal, 728 (2). Art. No. 117. ISSN 0004-637X. https://resolver.caltech.edu/CaltechAUTHORS:20110322-091235848

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Abstract

In the spring of 2009, the Kepler Mission commenced high-precision photometry on nearly 156,000 stars to determine the frequency and characteristics of small exoplanets, conduct a guest observer program, and obtain asteroseismic data on a wide variety of stars. On 2010 June 15, the Kepler Mission released most of the data from the first quarter of observations. At the time of this data release, 705 stars from this first data set have exoplanet candidates with sizes from as small as that of Earth to larger than that of Jupiter. Here we give the identity and characteristics of 305 released stars with planetary candidates. Data for the remaining 400 stars with planetary candidates will be released in 2011 February. More than half the candidates on the released list have radii less than half that of Jupiter. Five candidates are present in and near the habitable zone; two near super-Earth size, and three bracketing the size of Jupiter. The released stars also include five possible multi-planet systems. One of these has two Neptune-size (2.3 and 2.5 Earth radius) candidates with near-resonant periods.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1088/0004-637X/728/2/117DOIArticle
http://iopscience.iop.org/0004-637X/728/2/117PublisherArticle
ORCID:
AuthorORCID
Ciardi, David0000-0002-5741-3047
Howard, Andrew0000-0001-8638-0320
Additional Information:© 2011 American Astronomical Society. Received 2010 July 21; accepted 2010 December 13; published 2011 January 28. Kepler was competitively selected as the 10th Discovery mission. Funding for this mission is provided by NASA’s Science Mission Directorate. Some of the data presented herein were obtained at the W.M. Keck Observatory, which is operated as a scientific partnership among the California Institute of Technology, the University of California, and the National Aeronautics and Space Administration. The Observatory was made possible by the generous financial support of the W. M. Keck Foundation. The authors thank the many people who gave so generously of their time to make this mission a success.
Group:Infrared Processing and Analysis Center (IPAC)
Funders:
Funding AgencyGrant Number
NASAUNSPECIFIED
W. M. Keck FoundationUNSPECIFIED
Subject Keywords:planets and satellites: detection; surveys
Issue or Number:2
Classification Code:PACS: 95.55.Fw; 97.20.-w; 97.82.-j
Record Number:CaltechAUTHORS:20110322-091235848
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20110322-091235848
Official Citation:Characteristics of Kepler Planetary Candidates Based on the First Data Set William J. Borucki, David G. Koch, Gibor Basri, Natalie Batalha, Alan Boss, Timothy M. Brown, Douglas Caldwell, Jørgen Christensen-Dalsgaard, William D. Cochran, Edna DeVore, Edward W. Dunham, Andrea K. Dupree, Thomas N. Gautier III, John C. Geary, Ronald Gilliland, Alan Gould, Steve B. Howell, Jon M. Jenkins, Hans Kjeldsen, David W. Latham, Jack J. Lissauer, Geoffrey W. Marcy, David G. Monet, Dimitar Sasselov, Jill Tarter, David Charbonneau, Laurance Doyle, Eric B. Ford, Jonathan Fortney, Matthew J. Holman, Sara Seager, Jason H. Steffen, William F. Welsh, Christopher Allen, Stephen T. Bryson, Lars Buchhave, Hema Chandrasekaran, Jessie L. Christiansen, David Ciardi, Bruce D. Clarke, Jessie L. Dotson, Michael Endl, Debra Fischer, Francois Fressin, Michael Haas, Elliott Horch, Andrew Howard, Howard Isaacson, Jeffery Kolodziejczak, Jie Li, Phillip MacQueen, Søren Meibom, Andrej Prsa, Elisa V. Quintana, Jason Rowe, William Sherry, Peter Tenenbaum, Guillermo Torres, Joseph D. Twicken, Jeffrey Van Cleve, Lucianne Walkowicz and Hayley Wu doi: 10.1088/0004-637X/728/2/117
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:23032
Collection:CaltechAUTHORS
Deposited By: Ruth Sustaita
Deposited On:22 Mar 2011 20:13
Last Modified:03 Oct 2019 02:42

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