Browsing Articles by Author "Karoff, C."

Browsing Articles by Author "Karoff, C."

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  • 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 ...

  • Kallinger, T.; De Ridder, J.; Hekker, S.; Mathur, S.; Mosser, B.; Gruberbauer, Michael; Garcia, R. A.; Karoff, C.; Ballot, J. (EDP Sciences, 2014-10)
    Context. The long and almost continuous observations by Kepler show clear evidence of a granulation background signal in a large sample of stars, which is interpreted as the surface manifestation of convection. It has been ...

  • Gruberbauer, Michael; Karoff, C.; Campante, T. L.; Ballot, J.; Kallinger, T.; Garcia, R. A.; Caldwell, D. A.; Christiansen, J. L.; Kinemuchi, K. (American Astronomical Society, 2013-04-10)
    Sun-like stars show intensity fluctuations on a number of timescales due to various physical phenomena on their surfaces. These phenomena can convincingly be studied in the frequency spectra of these stars—while the strongest ...

  • 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 ...

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