Astronomy and Astrophysics – Astrophysics
Scientific paper
Dec 1981
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981a%26a...104..207w&link_type=abstract
Astronomy and Astrophysics, vol. 104, no. 2, Dec. 1981, p. 207-210.
Astronomy and Astrophysics
Astrophysics
11
Data Sampling, Optical Correction Procedure, Solar Granulation, Solar Limb, Mean Square Values, Point Spread Functions, Statistical Analysis
Scientific paper
Expressions are derived for the correction of the statistical properties of two-dimensional fields degraded by arbitrary (without axial symmetry) point-spread functions. Attention is given to both oneand two-dimensional sampling. A number of earlier estimates of corrections to observations of brightness and volocity fluctuations away from the center of the solar disk are shown to be in error. Corrected values are reported of the rms granular brightness fluctuations as a function of heliocentric angle.
Durrant C. J.
Wiesmeier A.
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