Determination of the Solar Radius based on the Annular Solar Eclipse of 15 January 2010

Details Determination of the Solar Radius based on the Annular Solar Eclipse of 15 January 2010 Determination of the Solar Radius based on the Annular Solar Eclipse of 15 January 2010

Nov 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011sunge...6...17a&link_type=abstract

Sun and Geosphere, vol.6, no.1, p.17-22.

Physics

1

Scientific paper

A determination of the solar radius was made based on the observations of Baily's beads carried out on the southern limit of the annular solar eclipse on 15 January, 2010 from Sri Lanka. A positive correction of ΔR=0.26±0.18 arcsec was found with respect to the standard solar radius, R, of 959.63 arcsec. The values of ΔR from the past observations were analyzed with the phase of the solar activity and found that the magnitude of ΔR is maximum at low active phases while it was minimum at high active phases.

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