Please use this identifier to cite or link to this item: http://hdl.handle.net/2248/2043
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dc.contributor.authorKumar, B-
dc.contributor.authorTripathy, S. C-
dc.contributor.authorJain, R-
dc.contributor.authorDeshpande, M. R-
dc.date.accessioned2008-02-23T11:08:47Z-
dc.date.available2008-02-23T11:08:47Z-
dc.date.issued2000-
dc.identifier.citationBASI, Vol. 28, No. 1, pp. 93 - 94en
dc.identifier.urihttp://hdl.handle.net/2248/2043-
dc.description.abstractA time series of GONG Dopplergrams has been used to measure the velocity fluctuations in the sunspot and quiet photosphere simultaneously. The power spectrum analysis shows that the power of the predominant p-mode is reduced in the sunspot region by 36 to 51% as compared to the quiet photosphere. Our results also show a relative frequency shift of the power envelope of these modes of the order of 70 to 300 ?Hz.en
dc.format.extent165717 bytes-
dc.format.mimetypeapplication/pdf-
dc.language.isoenen
dc.publisherAstronomical Society of Indiaen
dc.relation.urihttp://adsabs.harvard.edu/abs/2000BASI...28...93Ken
dc.subjectSun: oscillationsen
dc.subjectSun: photosphereen
dc.subjectSun: sunspotsen
dc.titleOn the power and frequency of p-modes in sunspotsen
dc.typeArticleen
Appears in Collections:BASI Publications

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