Browsing Articles by Author "Kallinger, T."

Browsing Articles by Author "Kallinger, T."

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    Solar-like oscillations in low-luminosity red giants: first results from Kepler 
    Gruberbauer, Michael; Bedding, T. R.; Huber, D.; Stello, D.; Elsworth, Y. P.; Hekker, S.; Kallinger, T.; Mathur, S.; Mosser, B.; Preston, H. L. (American Astronomical Society, 2010-04-20)
    We have measured solar-like oscillations in red giants using time-series photometry from the first 34 days of science operations of the Kepler Mission. The light curves, obtained with 30 minute sampling, reveal clear ...

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    Sounding open clusters: asteroseismic constraints from Kepler on the properties of NGC 6791 and NGC 6819 
    Gruberbauer, Michael; Basu, Sarbani; Grundahl, Frank; Stello, Dennis; Kallinger, T.; Hekker, Saskia; Mosser, Benoit; Garcia, Rafael A.; Mathur, Savita; Brogaard, Karsten (American Astronomical Society, 2011-03-01)
    We present initial results on some of the properties of open clusters NGC 6791 and NGC 6819 derived from asteroseismic data obtained by NASA’s Kepler mission. In addition to estimating the mass, radius, and log g of stars ...

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    Stellar model analysis of the oscillation spectrum of [eta] Bootis obtained from MOST 
    Guenther, David B.; Kallinger, T.; Reegen, P.; Weiss, W. W.; Matthews, J. M.; Kuschnig, R.; Marchenko, S.; Moffat, A. F. J.; Rucinski, S. M.; Sasselov, D.; Walker, G. A. H. (American Astronomical Society, 2005-12-10)
    Eight consecutive low-frequency radial p-modes are identified in the G0 IV star [eta] Bootis based on 27 days of ultraprecise rapid photometry obtained by the MOST (Microvariability and Oscillations of Stars) satellite. ...

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    Toward a new kind of asteroseismic grid fitting 
    Gruberbauer, Michael; Guenther, David B.; Kallinger, T. (American Astronomical Society, 2012-04-20)
    Recent developments in instrumentation (e.g., in particular the Kepler and CoRoT satellites) provide a new opportunity to improve the models of stellar pulsations. Surface layers, rotation, and magnetic fields imprint ...

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