Solar rotation rate from stable sunspot tracings

Solar rotation rate from stable sunspot tracings

Positions of sunspots between 1966 and 1976 as observed at Kandilli Observatory were used to determine the differential rotation of the sun. A total of 202 sunspot groups which were E, F, G, H, and J-types were chosen, and a least-squares solution was calculated with their daily rotations. A gradien...

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Veröffentlicht in:Astrophysics and space science 1989-03, Vol.153 (2), p.345-349
Hauptverfasser: OZGUC, A, SAGLAMSAATCI, M
Format: Artikel
Sprache:eng
Schlagworte:
Astronomy
Diameter, figure, rotation, mass
Earth, ocean, space
Exact sciences and technology
Solar physics
Solar system
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Zusammenfassung:Positions of sunspots between 1966 and 1976 as observed at Kandilli Observatory were used to determine the differential rotation of the sun. A total of 202 sunspot groups which were E, F, G, H, and J-types were chosen, and a least-squares solution was calculated with their daily rotations. A gradient difference was found between the two hemispheres of the sun. (Author)
ISSN:0004-640X
1572-946X
DOI:10.1007/BF00636668