Kepler Detected Gravity-Mode Period Spacings in a Red Giant Star-Reference-Cited by-同舟云学术

Kepler Detected Gravity-Mode Period Spacings in a Red Giant Star

Published:2011-04-08 Issue:6026 Volume:332 Page:205-205
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Beck P. G.¹,Bedding T. R.²,Mosser B.³,Stello D.²,Garcia R. A.⁴,Kallinger T.⁵,Hekker S.⁶⁷,Elsworth Y.⁶,Frandsen S.⁷,Carrier F.¹,De Ridder J.¹,Aerts C.¹⁸,White T. R.²,Huber D.²,Dupret M.-A.⁹,Montalbán J.⁹,Miglio A.⁹,Noels A.⁹,Chaplin W. J.⁶,Kjeldsen H.¹⁰,Christensen-Dalsgaard J.¹⁰,Gilliland R. L.¹¹,Brown T. M.¹²,Kawaler S. D.¹³,Mathur S.¹⁴,Jenkins J. M.¹⁵

Affiliation:

1. Instituut voor Sterrenkunde, Katholieke Universiteit Leuven, 3001 Leuven, Belgium.

2. Sydney Institute for Astronomy, School of Physics, University of Sydney, Sydney, NSW 2006, Australia.

3. Laboratoire d’études spatiales et d’instrumentation en astrophysique, CNRS, Université Pierre et Marie Curie, Université Denis Diderot, Observatoire de Paris, 92195 Meudon, France.

4. Laboratoire Astrophysique, Instrumentation, et Modélisation, Commissariat à l’Energie Atomique/Direction des Sciences de la Matière–CNRS–Université Paris Diderot, L'institut de recherche sur les lois fondamentales de l’Univers/Service d’Astrophysique, Centre de Saclay, 91191 Gif-sur-Yvette, France.

5. Department of Physics and Astronomy, University of British Columbia, Vancouver, BC V6T 1Z1, Canada.

6. University of Birmingham, Birmingham B15 2TT, UK.

7. Astronomical Institute, University of Amsterdam, Post Office Box 94249, 1090 GE Amsterdam, Netherlands.

8. Institute for Mathematics, Astrophysics, and Particle Physics, Department of Astrophysics, Radboud University, NL-6500 GL Nijmegen, Netherlands.

9. Institut d’Astrophysique et Géophysique, Université de Liège, 4000 Liège, Belgium.

10. Department of Physics and Astronomy, Aarhus University, DK-8000 Aarhus C, Denmark.

11. Space Telescope Science Institute, Baltimore, MD 21218, USA.

12. Las Cumbres Observatory Global Telescope, Goleta, CA 93117, USA.

13. Department of Physics and Astronomy, Iowa State University, Ames, IA 50011, USA.

14. High Altitude Observatory, National Center for Atmospheric Research, Boulder, CO 80307, USA.

15. SETI Institute/National Aeronautics and Space Administration (NASA) Ames Research Center, M/S 244-30, Moffett Field, CA 94035, USA.

Abstract

Asteroseismology Delivers Using asteroseismology—the study of stellar oscillations, it is possible to probe the interior of stars and to derive stellar parameters, such as mass and radius (see the Perspective by

Montgomery

). Based on asteroseismic data from the NASA Kepler mission, Chaplin et al. (p. 213 ) detected solarlike oscillations in 500 solartype stars in our Galaxy. The distribution of the radii of these stars matches that expected from stellar evolution theory, but the distribution in mass does not, which challenges our knowledge of star formation rates, the mass of forming stars, and the models of the stars themselves. Derekas et al. (p. 216 ) report the detection of a triple-star system comprising a red giant star and two red dwarfs. The red giant star, instead of the expected solarlike oscillations, shows evidence for tidally induced oscillations driven by the orbital motion of the red dwarf pair. Finally, Beck et al. (p. 205 ) describe unusual oscillations from a red giant star that may elucidate characteristics of its core.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

Reference5 articles.

1. Non-radial oscillation modes with long lifetimes in giant stars

2. SOLAR-LIKE OSCILLATIONS IN LOW-LUMINOSITY RED GIANTS: FIRST RESULTS FROM KEPLER

3. Theoretical amplitudes and lifetimes of non-radial solar-like oscillations in red giants

4. SEISMIC DIAGNOSTICS OF RED GIANTS: FIRST COMPARISON WITH STELLAR MODELS

5. Kepler Planet-Detection Mission: Introduction and First Results

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