Fried's parameter derived from observations of granulation outside the disk centre

Bibcode
1990Ap&SS.170..155R
DOI
10.1007/BF00652662
Rodriguez Hidalgo, I.; Collados, M.; Vazquez, M.
Bibliographical reference

(IAU, European Regional Astronomy Meeting, 11th, La Laguna, Spain, July 3-8, 1989) Astrophysics and Space Science (ISSN 0004-640X), vol. 170, no. 1-2, Aug. 1990, p. 155-159. Research supported by CICYT.

Advertised on:
8
1990
Number of authors
3
IAC number of authors
0
Citations
3
Refereed citations
3
Description
A new method has recently been developed to obtain the Fried's parameter from observations of granulation outside the disk center, based on the different degradation suffered by the images on the directions parallel and perpendicular to the solar limb, due to the geometrical foreshortening. This procedure has been applied to CCD images obtained at the Swedish Solar Tower of the Observatorio del Roque de los Muchachos, with satisfactory results which are presented and discussed.
Type
Non-refereed
Solar granulation
Solar observatories

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