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Pregled bibliografske jedinice broj: 314601

Časopis

Autori: Brajša, Roman; Wohl, H.; Ruždjak, Domagoj; Vršnak, Bojan; Verbanac, Giuliana; Svalgaard, L.; Hochedez, J.-F.
Naslov: On the solar rotation and activity
( On the solar rotation and activity )
Izvornik: Astronomische Nachrichten (0004-6337) 328 (2007), 10; 1013-1015
Vrsta rada: članak
Ključne riječi: Sun: activity ­ Sun: rotation
( Sun: activity ­ Sun: rotation )
Sažetak:
The interaction between differential rotation and magnetic fields in the solar convection zone was recently modelled by Brun (2004). One consequence of that model is that the Maxwell stresses can oppose the Reynolds stresses, and thus contribute to the transport of the angular momentum towards the solar poles, leading to a reduced differential rotation. So, when magnetic fields are weaker, a more pronounced differential rotation can be expected, yielding a higher rotation velocity at low latitudes taken on the average. This hypothesis is consistent with the behaviour of the solar rotation during the Maunder minimum. In this work we search for similar signatures of the relationship between the solar activity and rotation determined tracing sunspot groups and coronal bright points. We use the extended Greenwich data set (1878­ 1981) and a series of full-disc solar images taken at 28.4 nm with the EIT instrument on the SOHO spacecraft (1998­ 2000). We investigate the dependence of the solar rotation on the solar activity (described by the relative sunspot number) and the interplanetary magnetic field (calculated from the interdiurnal variability index). Possible rotational signatures of two weak solar activity cycles at the beginning of the 20th century (Gleissberg minimum) are discussed.
Projekt / tema: 119-1193086-1314, 007-0000000-1362, 007-0000000-1364
Izvorni jezik: eng
Rad je indeksiran u
bazama podataka:
Current Contents Connect (CCC)
Scopus
SCI-EXP, SSCI i/ili A&HCI
Science Citation Index Expanded (SCI-EXP) (sastavni dio Web of Science Core Collectiona)
Kategorija: Znanstveni
Znanstvena područja:
Fizika
URL Internet adrese: https://onlinelibrary.wiley.com/doi/abs/10.1002/asna.200710867
Broj citata:
Altmetric:
DOI: 10.1002/asna.200710867
URL cjelovitog teksta:
Google Scholar: On the solar rotation and activity
Upisao u CROSBI: Domagoj Ruždjak (rdomagoj@geof.hr), 15. Pro. 2007. u 10:44 sati



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