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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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:	Materials and Engineering Research Institute > Thin Films Research Centre > Nanotechnology Centre for PVD Research
Identification Number:	10.1051/0004-6361:20021627
Depositing User:	Ann Betterton
Date Deposited:	24 May 2010 14:41
Last Modified:	24 May 2010 14:41
URI:	http://shura.shu.ac.uk/id/eprint/2053

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