Does the Sun shrink with increasing magnetic activity?
Astrophysics, abstract
astro-ph/0304269
From: “H. M. Antia” <antia@astro.tifr.res.in>
Date: Tue, 15 Apr 2003 04:01:08 GMT (27kb)
Does the Sun shrink with increasing magnetic activity?
Authors:
H. M. Antia (TIFR, Mumbai)
Comments: To appear in Astrophys. J
Report-no: TIFR-2003
It has been demonstrated that frequencies of f-modes can be used to estimate
the solar radius to a good accuracy. These frequencies have been used to study
temporal variations in the solar radius with conflicting results. The variation
in f-mode frequencies is more complicated than what is assumed in these
studies. If a careful analysis is performed then it turns out that there is no
evidence for any variation in the solar radius.
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