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Solar radius in 2005 and 2006 eclipses

Published online by Cambridge University Press:  01 November 2006

Costantino Sigismondi
Costantino Sigismondi
Affiliation:
ICRA,International Center for Relativistic Astrophysics,P.le Aldo Moro 5 00185 Rome, Italy E-mail: sigismondi@icra.it
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Abstract

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Baily beads timings of annular eclipse of October 3, 2005 and total eclipse of March 29, 2006 have been analyzed for measuring a variation of the actual solar radius between those dates. After 1/3 of all beads events analyzed, corrections to average solar radius are known within $\pm$0.19”. High resolution video have been made at the boundaries of totality-annularity paths, to increase the number of beads visible. Comparison of observations made with different combinations of telescopes/filters/detectors is discussed.

Keywords

EclipsesTechniques: high angular resolutionMethods Data Analysis
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 2 , Symposium S233: Solar Activity and its Magnetic Origin , March 2006 , pp. 519 - 520
Copyright
© 2006 International Astronomical Union