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Planet Hunters: the first two planet candidates identified by the public using the Kepler public archive data†

  1. Debra A. Fischer1,*,
  2. Megan E. Schwamb2,3,*,
  3. Kevin Schawinski2,3,*,
  4. Chris Lintott4,5,
  5. John Brewer1,
  6. Matt Giguere1,
  7. Stuart Lynn4,
  8. Michael Parrish5,
  9. Thibault Sartori1,6,
  10. Robert Simpson4,
  11. Arfon Smith4,5,
  12. Julien Spronck1,
  13. Natalie Batalha7,
  14. Jason Rowe8,
  15. Jon Jenkins9,
  16. Steve Bryson8,
  17. Andrej Prsa10,
  18. Peter Tenenbaum9,
  19. Justin Crepp11,
  20. Tim Morton11,
  21. Andrew Howard12,
  22. Michele Beleu1,
  23. Zachary Kaplan1,
  24. Nick vanNispen1,
  25. Charlie Sharzer1,
  26. Justin DeFouw13,
  27. Agnieszka Hajduk13,
  28. Joe P. Neal13,
  29. Adam Nemec13,
  30. Nadine Schuepbach13,
  31. Valerij Zimmermann13

Article first published online: 28 NOV 2011

DOI: 10.1111/j.1365-2966.2011.19932.x

Issue

Monthly Notices of the Royal Astronomical Society

Monthly Notices of the Royal Astronomical Society

Volume 419, Issue 4, pages 2900–2911, February 2012

Additional Information

How to Cite

Fischer, D. A., Schwamb, M. E., Schawinski, K., Lintott, C., Brewer, J., Giguere, M., Lynn, S., Parrish, M., Sartori, T., Simpson, R., Smith, A., Spronck, J., Batalha, N., Rowe, J., Jenkins, J., Bryson, S., Prsa, A., Tenenbaum, P., Crepp, J., Morton, T., Howard, A., Beleu, M., Kaplan, Z., vanNispen, N., Sharzer, C., DeFouw, J., Hajduk, A., Neal, J. P., Nemec, A., Schuepbach, N. and Zimmermann, V. (2012), Planet Hunters: the first two planet candidates identified by the public using the Kepler public archive data. Monthly Notices of the Royal Astronomical Society, 419: 2900–2911. doi: 10.1111/j.1365-2966.2011.19932.x

Author Information

  1. 1

    Department of Astronomy, Yale University, New Haven, CT 06511, USA

  2. 2

    Department of Physics, Yale University, PO Box 208121, New Haven, CT 06520, USA

  3. 3

    Yale Center for Astronomy and Astrophysics, Yale University, PO Box 208121, New Haven, CT 06520, USA

  4. 4

    Oxford Astrophysics, Denys Wilkinson Building, Keble Road, Oxford OX1 3RH

  5. 5

    Adler Planetarium, 1300 South Lake Shore Drive, Chicago, IL 60605, USA

  6. 6

    Ecole normale superieure, 45, rue dUlm /29 rue dUlm, F-75230 Paris Cedex 05, France

  7. 7

    Department of Physics and Astronomy, San Jose State University, San Jose, CA 95192, USA

  8. 8

    NASA Ames Research Center, Moffett Field, CA 94035, USA

  9. 9

    SETI Institute/NASA Ames Research Center, Moffett Field, CA 94035, USA

  10. 10

    Department of Astronomy and Astrophysics, Villanova University, 800 East Lancaster Avenue, Villanova, PA 19085, USA

  11. 11

    Department of Astrophysics, California Institute of Technology, MS 249-17, Pasadena, CA 91125, USA

  12. 12

    Department of Astronomy, University of California, Berkeley, CA 94720-3411, USA

  13. 13

    Planet Hunter

* E-mail: debra.fischer@yale.edu
NSF Fellow.
Einstein Fellow.

  1. †

    This publication has been made possible by the participation of more than 40 000 volunteers in the Planet Hunters project. Their contributions are individually acknowledged at http://www.planethunters.org/authors.

Publication History

  1. Issue published online: 9 JAN 2012
  2. Article first published online: 28 NOV 2011
  3. Accepted 2011 September 30. Received 2011 September 30; in original form 2011 July 13

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Keywords:

  • stars: individual: KIC 10905746;
  • stars: individual: KIC 6185331;
  • planetary systems

ABSTRACT

Planet Hunters is a new citizen science project designed to engage the public in an exoplanet search using NASA Kepler public release data. In the first month after launch, users identified two new planet candidates which survived our checks for false positives. The follow-up effort included analysis of Keck HIRES spectra of the host stars, analysis of pixel centroid offsets in the Kepler data and adaptive optics imaging at Keck using NIRC2. Spectral synthesis modelling coupled with stellar evolutionary models yields a stellar density distribution, which is used to model the transit orbit. The orbital periods of the planet candidates are 9.8844 ± 0.0087 d (KIC 10905746) and 49.7696 ± 0.000 39 d (KIC 6185331), and the modelled planet radii are 2.65 and 8.05 R⊕. The involvement of citizen scientists as part of Planet Hunters is therefore shown to be a valuable and reliable tool in exoplanet detection.

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