Browsing by Author "Chaplin, W. J."

Browsing by Author "Chaplin, W. J."

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    The asteroseismic potential of Kepler: first results for solar-type stars 
    Chaplin, W. J.; Appourchaux, T.; Elsworth, Y.; Garcia, R. A.; Houdek, G.; Karoff, C.; Metcalfe, T. S.; Molenda-Zackowicz, J.; Monteiro, M. J. P. F. G.; Thompson, M. J.; Gruberbauer, Michael (American Astronomical Society, 2010-04-20)
    We present preliminary asteroseismic results from Kepler on three G-type stars. The observations, made at one-minute cadence during the first 33.5 d of science operations, reveal high signal-to-noise solar-like oscillation ...

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    Asteroseismology of red giants from the first four months of Kepler data: fundamental stellar parameters 
    Gruberbauer, Michael; Kallinger, T.; Mosser, B.; Hekker, S.; Huber, D.; Stello, D.; Mathur, S.; Basu, S.; Bedding, T. R.; Chaplin, W. J. (EDP Sciences, 2010-10)
    Context. Clear power excess in a frequency range typical for solar-type oscillations in red giants has been detected in more than 1000 stars, which have been observed during the first 138 days of the science operation of ...

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    Detection of solar-like oscillations, observational constraints, and stellar models for theta Cyg, the brightest star observed by the Kepler Mission 
    Guzik, J. A.; Houdek, G; Chaplin, W. J.; Smalley, B.; Kurtz, W.; Gilliland, R. L.; Mullally, F.; Rowe, J. F.; Bryson, S. T.; Antoci, V.; Gruberbauer, Michael (The American Astronomical Society, 2016-11-01)
    [Theta] Cygni is an F3 spectral type magnitude V=4.48 main-sequence star that was the brightest star observed by the original Kepler spacecraft mission. Short-cadence (58.8 s) photometric data using a custom aperture were ...

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    Oscillation mode frequencies of 61 main sequence and subgiant stars observed by Kepler 
    Appourchaux, T.; Chaplin, W. J.; Garcia, R. A.; Gruberbauer, Michael; Verner, G. A.; Antia, H. M.; Benomar, O.; Campante, T. L.; Davies, G. R.; Deheuvels, S. (EDP Sciences, 2012)
    Context. Solar-like oscillations have been observed by Kepler and CoRoT in several solar-type stars, thereby providing a way to probe the stars using asteroseismology. Aims. We provide the mode frequencies of the oscillations ...

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    Oscillation mode linewidths of main-sequence and subgiant stars observed by Kepler 
    Appourchaux, T.; Benomar, O.; Gruberbauer, Michael; Chaplin, W. J.; Garcia, R. A.; Handberg, R.; Verner, G. A.; Antia, H. M.; Campante, T. L.; Davies, G. R. (EDP Sciences, 2012-01)
    Context. Solar-like oscillations have been observed by Kepler and CoRoT in several solar-type stars. Aims. We study the variations in the stellar p-mode linewidth as a function of effective temperature. Methods. We study ...

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    Properties of 42 solar-type Kepler targets from the Asteroseismic Modeling Portal 
    Metcalfe, T. S.; Creevey, O. L.; Drogan, G.; Mathur, S.; Xu, H.; Bedding, T. R.; Chaplin, W. J.; Christensen-Dalsgaard, J.; Karoff, C.; Trampedach, R.; Gruberbauer, Michael; Guenther, David B. (The American Astronomical Society, 2014-10)
    Recently the number of main-sequence and subgiant stars exhibiting solar-like oscillations that are resolved into individual mode frequencies has increased dramatically. While only a few such data sets were available for ...