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108 results on '"Bedding, T.R."'

1. Dynamics of a double pendulum with distributed mass

Author

Rafat, M.Z., Wheatland, M.S., and Bedding, T.R.

Subjects
Pendulum -- Properties, Pendulum -- Models, Chaos theory -- Research, Oscillation -- Research, Equations of motion -- Research, Mass (Physics) -- Research, Physics
Abstract

We investigate a variation of the simple double pendulum in which the two point masses are replaced by square plates. The double square pendulum exhibits richer behavior than the simple double pendulum and provides a convenient demonstration of nonlinear dynamics and chaos. It is also an example of an asymmetric compound double pendulum, which has not been studied in detail. We obtain the equilibrium configurations and normal modes of oscillation and derive the equations of motion, which are solved numerically to produce Poincare sections. We show how the behavior varies from regular motion at low energies, to chaos at intermediate energies, and back to regular motion at high energies. We also show that the onset of chaos occurs at a significantly lower energy than for the simple double pendulum.

Published
2009

3. A Hot Saturn Orbiting an Oscillating Late Subgiant Discovered by TESS

Author

Huber, D. Chaplin, W.J. Chontos, A. Kjeldsen, H. Christensen-Dalsgaard, J. Bedding, T.R. Ball, W. Brahm, R. Espinoza, N. Henning, T. Jordán, A. Sarkis, P. Knudstrup, E. Albrecht, S. Grundahl, F. Andersen, M.F. Pallé, P.L. Crossfield, I. Fulton, B. Howard, A.W. Isaacson, H.T. Weiss, L.M. Handberg, R. Lund, M.N. Serenelli, A.M. Rørsted Mosumgaard, J. Stokholm, A. Bieryla, A. Buchhave, L.A. Latham, D.W. Quinn, S.N. Gaidos, E. Hirano, T. Ricker, G.R. Vanderspek, R.K. Seager, S. Jenkins, J.M. Winn, J.N. Antia, H.M. Appourchaux, T. Basu, S. Bell, K.J. Benomar, O. Bonanno, A. Buzasi, D.L. Campante, T.L. Çelik Orhan, Z. Corsaro, E. Cunha, M.S. Davies, G.R. Deheuvels, S. Grunblatt, S.K. Hasanzadeh, A. Di Mauro, M.P. A. García, R. Gaulme, P. Girardi, L. Guzik, J.A. Hon, M. Jiang, C. Kallinger, T. Kawaler, S.D. Kuszlewicz, J.S. Lebreton, Y. Li, T. Lucas, M. Lundkvist, M.S. Mann, A.W. Mathis, S. Mathur, S. Mazumdar, A. Metcalfe, T.S. Miglio, A. F. G. Monteiro, M.J.P. Mosser, B. Noll, A. Nsamba, B. Joel Ong, J.M. Örtel, S. Pereira, F. Ranadive, P. Régulo, C. Rodrigues, T.S. Roxburgh, I.W. Aguirre, V.S. Smalley, B. Schofield, M. Sousa, S.G. Stassun, K.G. Stello, D. Tayar, J. White, T.R. Verma, K. Vrard, M. Yildiz, M. Baker, D. Bazot, M. Beichmann, C. Bergmann, C. Bugnet, L. Cale, B. Carlino, R. Cartwright, S.M. Christiansen, J.L. Ciardi, D.R. Creevey, O. Dittmann, J.A. Nascimento, J.-D.D. Eylen, V.V. Fürész, G. Gagné, J. Gao, P. Gazeas, K. Giddens, F. Hall, O.J. Hekker, S. Ireland, M.J. Latouf, N. Lebrun, D. Levine, A.M. Matzko, W. Natinsky, E. Page, E. Plavchan, P. Mansouri-Samani, M. McCauliff, S. Mullally, S.E. Orenstein, B. Soto, A.G. Paegert, M. Van Saders, J.L. Schnaible, C. Soderblom, D.R. Szabó, R. Tanner, A. Tinney, C.G. Teske, J. Thomas, A. Trampedach, R. Wright, D. Yuan, T.T. Zohrabi, F.

Abstract

We present the discovery of HD 221416 b, the first transiting planet identified by the Transiting Exoplanet Survey Satellite (TESS) for which asteroseismology of the host star is possible. HD 221416 b (HIP 116158, TOI-197) is a bright (V = 8.2 mag), spectroscopically classified subgiant that oscillates with an average frequency of about 430 μHz and displays a clear signature of mixed modes. The oscillation amplitude confirms that the redder TESS bandpass compared to Kepler has a small effect on the oscillations, supporting the expected yield of thousands of solar-like oscillators with TESS 2 minute cadence observations. Asteroseismic modeling yields a robust determination of the host star radius (R∗ = 2.943 ± 0.064 Ro), mass (M∗ = 1.212 ± 0.074 Mo), and age (4.9 ± 1.1 Gyr), and demonstrates that it has just started ascending the red-giant branch. Combining asteroseismology with transit modeling and radial-velocity observations, we show that the planet is a "hot Saturn" (Rp = 9.17 ± 0.33 R⊕) with an orbital period of ∼14.3 days, irradiance of F = 343 ± 24 F⊕, and moderate mass (Mp = 60.5 ± 5.7 M⊕) and density (ρp = 0.431 ± 0.062 g cm-3). The properties of HD 221416 b show that the host-star metallicity-planet mass correlation found in sub-Saturns (4-8 R⊕) does not extend to larger radii, indicating that planets in the transition between sub-Saturns and Jupiters follow a relatively narrow range of densities. With a density measured to ∼15%, HD 221416 b is one of the best characterized Saturn-size planets to date, augmenting the small number of known transiting planets around evolved stars and demonstrating the power of TESS to characterize exoplanets and their host stars using asteroseismology. © 2019. The American Astronomical Society. All rights reserved..

Published
2019

4. The K2 Bright Star Survey. I. Methodology and Data Release

Author

Pope, B.J.S., White, T.R., Farr, W.M., Yu, J., Greklek-McKeon, M., Huber, D., Aerts, C., Aigrain, S., Bedding, T.R., Boyajian, T., Creevey, O.L., Hogg, D.W., Pope, B.J.S., White, T.R., Farr, W.M., Yu, J., Greklek-McKeon, M., Huber, D., Aerts, C., Aigrain, S., Bedding, T.R., Boyajian, T., Creevey, O.L., and Hogg, D.W.

Abstract

Contains fulltext : 210103.pdf (publisher's version ) (Open Access)

Published
2019

5. Beyond the Kepler/K2 bright limit: variability in the seven brightest members of the Pleiades

Author

White, T.R., Pope, B.J.S., Antoci, V., Pápics, P.I., Aerts, C., Gies, D.R., Gordon, K., Huber, D., Schaefer, G.H., Aigrain, S., Albrecht, S., Barclay, T., Barentsen, G., Beck, P.G., Bedding, T.R., Fredslund Andersen, M., Grundahl, F., Howell, S.B., Ireland, M.J., Murphy, S.J., Nielsen, M.B., Silva Aguirre, V., Tuthill, P.G., White, T.R., Pope, B.J.S., Antoci, V., Pápics, P.I., Aerts, C., Gies, D.R., Gordon, K., Huber, D., Schaefer, G.H., Aigrain, S., Albrecht, S., Barclay, T., Barentsen, G., Beck, P.G., Bedding, T.R., Fredslund Andersen, M., Grundahl, F., Howell, S.B., Ireland, M.J., Murphy, S.J., Nielsen, M.B., Silva Aguirre, V., and Tuthill, P.G.

Abstract

Contains fulltext : 176266.pdf (publisher's version ) (Open Access)

Published
2017

6. DETECTION OF SOLAR-LIKE OSCILLATIONS, OBSERVATIONAL CONSTRAINTS, AND STELLAR MODELS FOR theta CYG, THE BRIGHTEST STAR OBSERVED BY THE KEPLER MISSION

Author

Guzik, J.A., Houdek, G., Chaplin, W.J., Smalley, B., Kurtz, D.W., Gilliland, R.L., Mullally, F., Rowe, J.F., Bryson, S.T., Still, M.D., Antoci, V., Appourchaux, T., Basu, S., Bedding, T.R., Benomar, O., Garcia, R.A., Huber, D., Kjeldsen, H., Latham, D.W., Metcalfe, T.S., Papics, P.I., White, T.R., Aerts, C., Ballot, J., Boyajian, T.S., Briquet, M., Bruntt, H., Buchhave, L.A., Campante, T.L., Catanzaro, G., Christensen-Dalsgaard, J., Davies, G.R., Dogan, G., Dragomir, D., Doyle, A.P., Elsworth, Y., Frasca, A., Gaulme, P., Gruberbauer, M., Handberg, R., Hekker, S., Karoff, C., Lehmann, H., Mathias, P., Mathur, S., Miglio, A., Molenda-Zakowicz, J., Mosser, B., Murphy, S.J., Regulo, C., Ripepi, V., Salabert, D., Sousa, S.G., Stello, D., Uytterhoeven, K., Guzik, J.A., Houdek, G., Chaplin, W.J., Smalley, B., Kurtz, D.W., Gilliland, R.L., Mullally, F., Rowe, J.F., Bryson, S.T., Still, M.D., Antoci, V., Appourchaux, T., Basu, S., Bedding, T.R., Benomar, O., Garcia, R.A., Huber, D., Kjeldsen, H., Latham, D.W., Metcalfe, T.S., Papics, P.I., White, T.R., Aerts, C., Ballot, J., Boyajian, T.S., Briquet, M., Bruntt, H., Buchhave, L.A., Campante, T.L., Catanzaro, G., Christensen-Dalsgaard, J., Davies, G.R., Dogan, G., Dragomir, D., Doyle, A.P., Elsworth, Y., Frasca, A., Gaulme, P., Gruberbauer, M., Handberg, R., Hekker, S., Karoff, C., Lehmann, H., Mathias, P., Mathur, S., Miglio, A., Molenda-Zakowicz, J., Mosser, B., Murphy, S.J., Regulo, C., Ripepi, V., Salabert, D., Sousa, S.G., Stello, D., and Uytterhoeven, K.

Abstract

Contains fulltext : 161702.pdf (publisher's version ) (Open Access) Contains fulltext : 161702pre.pdf (preprint version ) (Open Access)

Published
2016

7. Investigating the Properties of Granulation in the Red Giants Observed by Kepler

Author

Mathur, S., Hekker, S., Trampedach, R., Ballot, J., Kallinger, T., Buzasi, D., García, R.A., Huber, D., Jiménez, A., Mosser, B., Bedding, T.R., Elsworth, Y., Régulo, C., Stello, D., Chaplin, W.J., De Ridder, J., Hale, S.J., Kinemuchi, K., Kjeldsen, H., Mullally, F., Thompson, S.E., Shibahashi, H., Takata, M., Lynas-Gray, A.E., and Low Energy Astrophysics (API, FNWI)

Subjects
Astrophysics::Solar and Stellar Astrophysics, Astrophysics::Earth and Planetary Astrophysics
Abstract

More than 1000 red giants have been observed by NASA/Kepler mission during a nearly continuous period of ˜ 13 months. The resulting high-frequency resolution (< 0.03 μHz) allows us to study the granulation parameters of these stars. The granulation pattern results from the convection motions leading to upward flows of hot plasma and downward flows of cooler plasma. We fitted Harvey-like functions to the power spectra, to retrieve the timescale and amplitude of granulation. We show that there is an anti-correlation between both of these parameters and the position of maximum power of acoustic modes, while we also find a correlation with the radius, which agrees with the theory. We finally compare our results with 3D models of the convection.

Published
2012

8. Detailed Study of the Internal Structure of a Red-giant Star Observed with Kepler

Author

Di Mauro, M.P., Ventura, R., Cardini, D., Catanzaro, G., Barban, C., Bedding, T.R., Christensen-Dalsgaard, J., De Ridder, J., Hekker, S., Huber, D., Kallinger, T., Kinemuchi, K., Kjeldsen, H., Miglio, A., Montalbán, J., Mosser, B., Mullally, F., Stello, D., Still, M., Uytterhoeven, K., Shibahashi, H., Takata, M., Lynas-Gray, A.E., and Low Energy Astrophysics (API, FNWI)

Subjects
Astrophysics::Solar and Stellar Astrophysics, Astrophysics::Earth and Planetary Astrophysics, Astrophysics::Galaxy Astrophysics
Abstract

We study the internal structure and evolutionary state of KIC 4351319, a red-giant star observed with the Kepler satellite. The use of 25 individual oscillation frequencies, together with the accurate atmospheric data provided by ground-based spectroscopic observations, allowed us to estimate the main parameters of this star with a level of precision without precedents for a red giant. In addition, the excellent quality of the observations enabled us to define the location of the base of the convective envelope and to learn about the internal rotation, the helium abundance, the surface effects and extra mixing effects such as diffusion and overshooting.

Published
2012

10. Global asteroseismic properties of solar-like oscillations observed by Kepler : A comparison of complementary analysis methods

Author

Verner, G.A., Roxburgh, I.W., Elsworth, Y., Chaplin, W.J., Hekker, S., Broomhall, A.-M., Campante, T.L., Karoff, C., Handberg, R., Corsaro, E., Bonanno, A., Gaulme, P., Appourchaux, T., Stello, D., Huber, D., Bedding, T.R., White, T.R., Mathur, S., Mosser, B., Ballot, J., García, R.A., New, R., Régulo, C., Salabert, D., Caldwell, D.A., Christiansen, J.L., Fanelli, M.N., Low Energy Astrophysics (API, FNWI), Astronomy Unit, Queen Mary, School of Physics and Astronomy, University of Birmingham, Centro de Astrofisica da Universidade do Porto (CAUP), INAF-Osservatorio Astrofisico di Catania (INAF-OACt), Institut d'astrophysique spatiale (IAS), Institut national des sciences de l'Univers (INSU - CNRS)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS)-Centre National d’Études Spatiales [Paris] (CNES), Sydney Institute for Astronomy (SIfA), Danish AsteroSeismology Centre (DASC), High Altitude Observatory, National Center for Atmospheric Research, Laboratoire d'études spatiales et d'instrumentation en astrophysique (LESIA), Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), Etoile, Laboratoire d'études spatiales et d'instrumentation en astrophysique = Laboratory of Space Studies and Instrumentation in Astrophysics (LESIA), Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité), Institut de recherche en astrophysique et planétologie (IRAP), Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Université de Toulouse (UT)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire Midi-Pyrénées (OMP), Institut de Recherche pour le Développement (IRD)-Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Université de Toulouse (UT)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Météo-France -Institut de Recherche pour le Développement (IRD)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Météo-France -Centre National de la Recherche Scientifique (CNRS), Commissariat à l'énergie atomique et aux énergies alternatives (CEA), Faculty of Arts, Computing, Engineering and Sciences, Astronomical Institute Anton Pannekoek, University of Amsterdam, Instituto de Astrofísica de Canarias (IAC), SETI Institute, NASA Ames Research Center, Moffett Field, and Bay Area Environmental Research Institute/NASA Ames Research Center, Moffett Field

Subjects
Astrophysics - Solar and Stellar Astrophysics, Astrophysics::Solar and Stellar Astrophysics, FOS: Physical sciences, Astrophysics::Earth and Planetary Astrophysics, [PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph], Astrophysics::Galaxy Astrophysics, Solar and Stellar Astrophysics (astro-ph.SR)
Abstract

We present the asteroseismic analysis of 1948 F-, G- and K-type main-sequence and subgiant stars observed by the NASA {\em Kepler Mission}. We detect and characterise solar-like oscillations in 642 of these stars. This represents the largest cohort of main-sequence and subgiant solar-like oscillators observed to date. The photometric observations are analysed using the methods developed by nine independent research teams. The results are combined to validate the determined global asteroseismic parameters and calculate the relative precision by which the parameters can be obtained. We correlate the relative number of detected solar-like oscillators with stellar parameters from the {\em Kepler Input Catalog} and find a deficiency for stars with effective temperatures in the range $5300 \lesssim T_\mathrm{eff} \lesssim 5700$\,K and a drop-off in detected oscillations in stars approaching the red edge of the classical instability strip. We compare the power-law relationships between the frequency of peak power, $\nu_\mathrm{max}$, the mean large frequency separation, $\Delta\nu$, and the maximum mode amplitude, $A_\mathrm{max}$, and show that there are significant method-dependent differences in the results obtained. This illustrates the need for multiple complementary analysis methods to be used to assess the robustness and reproducibility of results derived from global asteroseismic parameters., Comment: 14 pages, 9 figures, accepted for publication in Monthly Notices of the Royal Astronomical Society

Published
2011
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11. Solar-like oscillations from the depths of the red-giant star KIC 4351319 observed with Kepler

Author

di Mauro, M. P., Cardini, D., Catanzaro, G., Ventura, R., Barban, C., Bedding, T.R., Christensen-Dalsgaard, J., de Ridder, J., Hekker, S., Huber, D., Kallinger, T., Miglio, A., Montalban, J., Mosser, B., Stello, D., Uytterhoeven, K., Kinemuchi, K., Kjeldsen, H., Mullally, F., Still, M., Istituto di Astrofisica Spaziale e Fisica Cosmica (IASF-Roma), INAF-Osservatorio Astrofisico di Catania (INAF-OACt), Laboratoire d'études spatiales et d'instrumentation en astrophysique (LESIA), Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), Etoile, Laboratoire d'études spatiales et d'instrumentation en astrophysique = Laboratory of Space Studies and Instrumentation in Astrophysics (LESIA), Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité), Sydney Institute for Astronomy (SIfA), Institute for Physics and Astronomy, University of Århus, Instituut voor Sterrenkunde, Katholieke Universiteit Leuven, School of Physics and Astronomy, University of Birmingham, Department of Physics and Astronomy, University of British Columbia, Institut d'Astrophysique, Géophysique et Océanographie, Université de Liège, Commissariat à l'énergie atomique et aux énergies alternatives (CEA), Kiepenheuer-Institut für Sonnenphysik (KIS), Bay Area Environmental Research Institute/NASA Ames Research Center, Moffett Field, SETI Institute, NASA Ames Research Center, Moffett Field, and Low Energy Astrophysics (API, FNWI)

Subjects
Astrophysics - Solar and Stellar Astrophysics, FOS: Physical sciences, Astrophysics::Solar and Stellar Astrophysics, Astrophysics::Cosmology and Extragalactic Astrophysics, Astrophysics::Earth and Planetary Astrophysics, Astrophysics - Instrumentation and Methods for Astrophysics, [PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph], Instrumentation and Methods for Astrophysics (astro-ph.IM), Solar and Stellar Astrophysics (astro-ph.SR), Astrophysics::Galaxy Astrophysics
Abstract

We present the results of the asteroseismic analysis of the red-giant star KIC 4351319 (TYC 3124-914-1), observed for 30 days in short-cadence mode with the Kepler satellite. The analysis has allowed us to determine the large and small frequency separations, and the frequency of maximum oscillation power. The high signal-to-noise ratio of the observations allowed us to identify 25 independent pulsation modes whose frequencies range approximately from 300 to 500 muHz. The observed oscillation frequencies together with the accurate determination of the atmospheric parameters (effective temperature, gravity and metallicity), provided by additional ground-based spectroscopic observations, enabled us to theoretically interpret the observed oscillation spectrum. KIC 4351319 appears to oscillate with a well defined solar-type p-modes pattern due to radial acoustic modes and non-radial nearly pure p modes. In addition, several non-radial mixed modes have been identified. Theoretical models well reproduce the observed oscillation frequencies and indicate that this star, located at the base of the ascending red-giant branch, is in the hydrogen-shell burning phase, with a mass of about 1.3 solar masses, a radius of about 3.4 solar radii and an age of about 5.6 Gyr. The main parameters of this star have been determined with an unprecedent level of precision for a red-giant star, with uncertainties of 2% for mass, 7% for age, 1% for radius, and 4% for luminosity., To be published on MNRAS. The definitive version will be available at www.blackwell-synergy.com

Published
2011
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13. KIC 10080943: An eccentric binary system containing two pressure- and gravity-mode hybrid pulsators

Author

Schmid, V.S., Tkachenko, A., Aerts, C., Degroote, P., Bloemen, S., Murphy, S.J., Reeth, T. Van, Papics, P.I., Bedding, T.R., Keen, M.A., Prsa, A., Menu, J., Debosscher, J., Hrudkova, M., Smedt, K. De, Lombaert, R., Nemeth, P., Schmid, V.S., Tkachenko, A., Aerts, C., Degroote, P., Bloemen, S., Murphy, S.J., Reeth, T. Van, Papics, P.I., Bedding, T.R., Keen, M.A., Prsa, A., Menu, J., Debosscher, J., Hrudkova, M., Smedt, K. De, Lombaert, R., and Nemeth, P.

Abstract

Contains fulltext : 150866.pdf (publisher's version ) (Open Access)

Published
2015

18. AsteroFLAG - from the Sun to the Stars

Author

Chaplin, W.J., Appourchaux, T., Arentoft, Torben, Ballot, J., Baudin, F., Bazot, Michael, Bedding, T.R., Christensen-Dalsgaard, Jørgen, Creevey, O.L., Duez, V., Elsworth, Y., Fletcher, S.T., García, R.A., Gough, D.O., Jiménez, A., Jiménez-Reyes, S.J., Houdek, G., Kjeldsen, Hans, Lazrek, M., Leibacher, J.W., Monteiro, M.J.P.F.G., Neiner, C., New, R., Régulo, C., Salabert, D., Samadi, R., Sekii, T., Sousa, S.G., Toutain, T., and Turck-Chièze, S.

Published
2008
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23. Solar-like oscillations in open cluster stars

Author

Stello, Dennis, Bruntt, Hans, Arentoft, Torben, Gilliland, R.L., Nuspl, J., Kim, S.-L., Kang, Y.B., Koo, J.-R., Lee, J.-A., Lee, C.-U., Sterken, C., Jacob, A.P., Frandsen, Søren, Dind, Z.E., Jensen, H.R., Szabó, R., Csubry, Z., Kiss, L.L., Bouzid, M.Y., Dall, T.H., Bedding, T.R., Kjeldsen, Hans, Handler, 6., and Houdek, G.

Published
2007

31. Altair: The Brightest delta Scuti Star

Author

Buzasi, D.L., Bruntt, H., Bedding, T.R., Retter, A., Kjeldsen, Hans, Preston, H.L., Mandeville, W.J., Suarez, J.C., Catanzarite, J., Conrow, T., and Laher, R.

Published
2005

34. Multi-site time series photometry of the open cluster M67

Author

Stello, D., Arentoft, T., Bedding, T.R., Bouzid, M.Y., Bruntt, H, Csubry, Z., Dall, T.H., Dind, Z.E., Frandsen, Søren, Gilliland, R.L., Jacob, A.P., Jensen, H.R., Kang, Y.B., Kim, S.-L., Kiss, L.L., and Kjeldsen, Hans

Published
2004

42. A search for solar-type oscillations in K giants in M4

Author

Frandsen, Søren, Bruntt, Hans, Grundahl, Frank, Kopacki, G., Gilliland, R.L., Michel, E., Bedding, T.R., Kjeldsen, Hans, Arentoft, Torben, Stello, Dennis, Mathiasen, J., Edmonds, P.D., Jacob, A., Laboratoire d'études spatiales et d'instrumentation en astrophysique (LESIA), Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), Pôle Astronomie du LESIA, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de Paris, Handler, G., and Houdek, G.

Subjects
Physics, Theoretical physics, Photometry (astronomy), Amplitude, Astrophysics, Type (model theory), [PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph]
Abstract

A large CCD photometry campaign has been organized, where more than 6000 frames were collected, to search for solar-like oscillations among K-giants in M4. The results are presented here with the main result being: amplitudes are below predictions.

Published
2007
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43. COMMISSION 27: VARIABLE STARS

Author

Kawaler, S.D., Handler, G., Aerts, C.C., Bedding, T.R., Catelan, M., Cunha, M., Eyer, L., Jeffery, C.S., Martinez, P., Olah, K., Pollard, K., Somasundaram, S., Kawaler, S.D., Handler, G., Aerts, C.C., Bedding, T.R., Catelan, M., Cunha, M., Eyer, L., Jeffery, C.S., Martinez, P., Olah, K., Pollard, K., and Somasundaram, S.

Abstract

Contains fulltext : 71932.pdf ( ) (Closed access)

Published
2008

45. The non-detection of oscillations in procyon by MOST:is it really a surprise?

Author

Bedding, T.R., Kjeldsen, H., Bouchy, F, Bruntt, Hans, Butler, R, Buzasi, D.L, Christensen-Dalsgaard, J., Frandsen, S., Lebrun, J, Marti'c, M, Schou, J., Bedding, T.R., Kjeldsen, H., Bouchy, F, Bruntt, Hans, Butler, R, Buzasi, D.L, Christensen-Dalsgaard, J., Frandsen, S., Lebrun, J, Marti'c, M, and Schou, J.

Abstract

Astronomy

Published
2005

48. Asteroseismology of solar-type stars with Kepler I: Data analysis

Author

Karoff, C., primary, Chaplin, W.J., additional, Appourchaux, T., additional, Elsworth, Y., additional, Garcia, R.A., additional, Houdek, G., additional, Metcalfe, T.S., additional, Molenda-Żakowicz, J., additional, Monteiro, M.J.P.F.G., additional, Thompson, M.J., additional, Christensen-Dalsgaard, J., additional, Gilliland, R.L., additional, Kjeldsen, H., additional, Basu, S., additional, Bedding, T.R., additional, Campante, T.L., additional, Eggenberger, P., additional, Fletcher, S.T., additional, Gaulme, P., additional, Handberg, R., additional, Hekker, S., additional, Martic, M., additional, Mathur, S., additional, Mosser, B., additional, Regulo, C., additional, Roxburgh, I.W., additional, Salabert, D., additional, Stello, D., additional, Verner, G.A, additional, Belkacem, K., additional, Biazzo, K., additional, Cunha, M.S., additional, Gruberbauer, M., additional, Guzik, J.A., additional, Kupka, F., additional, Leroy, B., additional, Ludwig, H.-G., additional, Mathis, S., additional, Noels, A., additional, Noyes, R.W., additional, Roca Cortes, T., additional, Roth, M., additional, Sato, K.H., additional, Schmitt, J., additional, Suran, M.D., additional, Trampedach, R., additional, Uytterhoeven, K., additional, Ventura, R., additional, and Wilson, P.A., additional

Published
2010
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49. Solar-like oscillations in cluster stars

Author

Stello, D., primary, Basu, S., additional, Bedding, T.R., additional, Brogaard, K., additional, Bruntt, H., additional, Chaplin, W.J., additional, Christensen-Dalsgaard, J., additional, Demarque, P., additional, Elsworth, Y.P., additional, García, R.A., additional, Gilliland, R.L., additional, Hekker, S., additional, Huber, D., additional, Karoff, C., additional, Kjeldsen, H., additional, Lebreton, Y., additional, Mathur, S., additional, Meibom, S., additional, Molenda-Żakowicz, J., additional, Noels, A., additional, Roxburgh, I.W., additional, Aguirre, V.S., additional, Sterken, C., additional, and Szabö, R., additional

Published
2010
Full Text
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