On the measurement bias of low-l solar p-mode excitation parameters: The impact of a ground-based window function

CHAPLIN, W. J., ELSWORTH, Y., ISAAK, G. R., MILLER, B. A., NEW, R., PINTER, B. and THIERY, S. (2003). On the measurement bias of low-l solar p-mode excitation parameters: The impact of a ground-based window function. Astronomy and Astrophysics, 398 (1), 305-314.

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Link to published version:: https://doi.org/10.1051/0004-6361:20021627
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    Abstract

    We present a study of the impact of a ground-based, multi-station window function on estimates of the power and damping of low-l solar p modes extracted from fits to resonant structure in the frequency domain. The window functions come from six-site observations made by the Birmingham Solar-Oscillations Network (BISON) over the 10-yr period beginning 1991 January. Two strategies were adopted. In the first, we used an 800-d time series of continuous observations made by the GOLF instrument on board the ESA/NASA SOHO satellite. These data were modulated by a variety of BISON window functions, with fractional duty cycles ranging from similar to0.4 to similar to0.8, and the resulting series analyzed. In the second we generated artificial 10-yr time series and studied the effect on these of the complete BISON window.

    Item Type: Article
    Research Institute, Centre or Group - Does NOT include content added after October 2018: Materials and Engineering Research Institute > Thin Films Research Centre > Nanotechnology Centre for PVD Research
    Identification Number: https://doi.org/10.1051/0004-6361:20021627
    Page Range: 305-314
    Depositing User: Ann Betterton
    Date Deposited: 24 May 2010 13:41
    Last Modified: 24 May 2010 13:41
    URI: http://shura.shu.ac.uk/id/eprint/2053

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