903 8 3915 1 10786 document 3915 Kukhianidze_Gig_Jap_20-21-2013.pdf application/pdf b04578d56975458f89ff4aa30753c7f9 MD5 606021 2014-02-04 12:24:51 http://eprints.iliauni.edu.ge/903/1/Kukhianidze_Gig_Jap_20-21-2013.pdf 903 1 1 application/pdf text en public
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http://eprints.org/relation/isVersionOf http://eprints.iliauni.edu.ge/id/document/3915 http://eprints.org/relation/isVolatileVersionOf http://eprints.iliauni.edu.ge/id/document/3915 http://eprints.org/relation/ismediumThumbnailVersionOf http://eprints.iliauni.edu.ge/id/document/3915 3919 2 10791 document 3919 small.jpg image/png 00db9ca23b23e7ec3a0c3d48af67caa9 MD5 1851 2014-02-04 12:25:20 http://eprints.iliauni.edu.ge/903/5/small.jpg 903 5 5 image/png other Thumbnails conversion from text to thumbnail_small ge public
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http://eprints.org/relation/isVersionOf http://eprints.iliauni.edu.ge/id/document/3915 http://eprints.org/relation/isVolatileVersionOf http://eprints.iliauni.edu.ge/id/document/3915 http://eprints.org/relation/issmallThumbnailVersionOf http://eprints.iliauni.edu.ge/id/document/3915 archive 134 disk0/00/00/09/03 2014-02-04 15:26:05 2015-03-27 10:07:52 2014-02-04 15:26:05 article show Gigolashvili M. Japaridze D. Kukhianidze V. vasil.kukhianidze@iliauni.edu.ge Investigation of the Differential Rotation by Hα Filaments and Long-Lived Magnetic Features for Solar Activity Cycles 20 and 21 pub QB QC public Solar differential rotation, Filaments, Long-lived magnetic features For solar activity Cycles 20 and 21 (1966 - 1985) the solar differential rotation has been investigated using Hα filaments and relatively small-scale long-lived magnetic features with negative and positive polarities. We used annual averaged angular velocities of quiescent Hα filaments from Hα photoheliograms of the Abastumani Astrophysical Observatory film collection and selected long-lived magnetic features from the McIntosh atlas (McIntosh, Willock, and Thompson, Atlas of Stackplots, NGDC, 1991). We have determined coefficients of Faye's formulas for Hα filaments as well as for long-lived magnetic features and have found that for Solar Cycles 20 and 21 the Hα filaments have lower rotation rates and rotated more differentially than the long-lived magnetic features. 2013-01-20 published Solar Physics 282 1 SPRINGER 51-65 10.1007/s11207-012-0044-3 TRUE