𝔖 Bobbio Scriptorium
✦   LIBER   ✦

High resolution polarimetric measurements in a sunspot

✍ Scribed by T. Horn; A. Hofmann; H. Balthasar

Book ID
104641195
Publisher
Springer
Year
1996
Tongue
English
Weight
947 KB
Volume
164
Category
Article
ISSN
0038-0938

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✦ Synopsis

A Fabry-Perot interferometer is being used for two-dimensional spectropolarimetric measurements. We demonstrate the suitability of the setup for the measurement of the magnetic field and present some preliminary results from first observations.

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✍ Donald A. Landman; Jill T. Takushi πŸ“‚ Article πŸ“… 1981 πŸ› Springer 🌐 English βš– 171 KB

We report measurements of the sunspot rotation rate at high sunspot latitutdes for the years 1966-1968. Ten spots at [latitude[-> 28 deg were found in our Mees Solar Observatory Ha patrol records for this period that are suitable for such a study. On the average we find a sidereal rotation rate of 1