Please use this identifier to cite or link to this item: http://hdl.handle.net/2248/3650
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dc.contributor.authorSundaram, G. A. S-
dc.contributor.authorSubramanian, K. R-
dc.date.accessioned2008-09-16T14:16:43Z-
dc.date.available2008-09-16T14:16:43Z-
dc.date.issued2004-08-
dc.identifier.citationSolar Physics, Vol. 222, No. 4, pp. 311 - 322en
dc.identifier.issn0038-0938-
dc.identifier.urihttp://hdl.handle.net/2248/3650-
dc.descriptionRestricted Accessen
dc.descriptionThe original publication is available at springerlink.com-
dc.description.abstractWe present observational results from studying the quasi-periodicities in global solar radio flux during periods of enhanced noise storm activity, over durations of 4 hr a day (`intra-day'' variations), observed at 77.5 MHz with the newly commissioned log-periodic array tracking system at the Gauribidanur Radio Observatory. Positional information on the storm centers was obtained with the radio imaging data from the Nan\c cay Radio Heliograph (NRH), while their active region counterparts on the photosphere (and the overlying chromosphere ) were located from the H images of the Big Bear Solar Observatory. The quasi-periodicity in flux was found to be 110 min, with the fluctuation in flux being 3(±1.5) solar flux units (s.f.u.). The results of such pulsations are interpreted qualitatively as evidence for coronal seismologyen
dc.language.isoenen
dc.publisherSpringeren
dc.relation.urihttp://dx.doi.org/10.1023/B:SOLA.0000043555.04556.9fen
dc.rights© Springer-
dc.subjectQuasi-Periodicities In Global Solar Radio Fluxen
dc.subjectStorm Activityen
dc.subjectGauribidanur Radio Observatoryen
dc.subjectRadio Heliograph (NRH)en
dc.subjectPhotosphereen
dc.subjectBig Bear Solar Observatoryen
dc.subjectCoronal Seismologyen
dc.titleQuasi-Periodicity in global solar radio flux at metric wavelengths during Noise Stormsen
dc.typeArticleen
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