QUASI-PERIODIC OSCILLATIONS OF SMALL-SCALE MAGNETIC STRUCTURES AND A SPECIFIC METHOD FOR MEASURING THE DIFFERENTIAL ROTATION OF THE SUN

dc.contributor.authorZhivanovich I
dc.contributor.authorSolov'ev AA
dc.contributor.authorRiehokainen A
dc.contributor.authorEfremov VI
dc.contributor.organizationfi=Tuorlan observatorio|en=Tuorla Observatory|
dc.contributor.organization-code1.2.246.10.2458963.20.90670098848
dc.converis.publication-id40283719
dc.converis.urlhttps://research.utu.fi/converis/portal/Publication/40283719
dc.date.accessioned2025-08-28T01:14:11Z
dc.date.available2025-08-28T01:14:11Z
dc.description.abstractThe SDO/HMI data with an angular resolution of 1 arcsec have been used to explore the differential rotation on the Sun, using an original p2p effect on the basis of the movement of small-scale magnetic structures in the photosphere of the Sun. It is shown that a stable p2p artifact inherent in the SDO/HMI data can be an effective tool for measuring the speed of various tracers on the Sun. In particular, in combination with the Fourier analysis, it allows us to investigate the differential rotation of the Sun at various latitudes. The differential rotation curve obtained from the SDO/HMI magnetograms by this method is in good agreement with the curves obtained earlier from groundbased observations.
dc.format.pagerange10
dc.format.pagerange3
dc.identifier.jour-issn2500-0535
dc.identifier.olddbid207242
dc.identifier.oldhandle10024/190269
dc.identifier.urihttps://www.utupub.fi/handle/11111/50896
dc.identifier.urlhttps://naukaru.ru/en/nauka/article/27942/view
dc.identifier.urnURN:NBN:fi-fe2021042825861
dc.language.isoen
dc.okm.affiliatedauthorRiehokainen, Alexandr
dc.okm.discipline115 Astronomy and space scienceen_GB
dc.okm.discipline115 Avaruustieteet ja tähtitiedefi_FI
dc.okm.internationalcopublicationinternational co-publication
dc.okm.internationalityInternational publication
dc.okm.typeA1 ScientificArticle
dc.publisherNAUCNO-IZDATELSKIJ CENTR INFRAM
dc.relation.doi10.12737/stp-51201901
dc.relation.ispartofjournalSolar-Terrestrial Physics
dc.relation.issue1
dc.relation.volume5
dc.source.identifierhttps://www.utupub.fi/handle/10024/190269
dc.titleQUASI-PERIODIC OSCILLATIONS OF SMALL-SCALE MAGNETIC STRUCTURES AND A SPECIFIC METHOD FOR MEASURING THE DIFFERENTIAL ROTATION OF THE SUN
dc.year.issued2019

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