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Please use this identifier to cite or link to this item: http://hdl.handle.net/2248/1461
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dc.contributor.authorJoshi, A-
dc.contributor.authorUddin, W-
dc.date.accessioned2007-03-21T07:00:55Z-
dc.date.available2007-03-21T07:00:55Z-
dc.date.issued1991-
dc.identifier.citationBASI, Vol. 20, pp. 75-85en
dc.identifier.urihttp://hdl.handle.net/2248/1461-
dc.description.abstractWe report the CaII K observations of a major umbral solar flare of optical class 3B which occurred on 1989 March 13. Correlated optical, microwave, soft X-ray (SXR), sudden ionospheric disturbance observations and the resulting proton enhancements have also been analyzed. The values of magnetic field perpendicular to electron velocity electron energy E and angular size of a great microwave burst (GB) source are estimated as 897 gauss, 1.4 MeV, and 7 arcsec, respectively. Due to the production of long-duration hard X-ray burst and GB, we conclude that the observed flare is very energeticen
dc.format.extent833193 bytes-
dc.format.mimetypeapplication/pdf-
dc.language.isoenen
dc.publisherAstronomical Society of Indiaen
dc.subjectCalciumen
dc.subjectSolar flaresen
dc.titleAnalysis of solar flare in CaII K on 1989 March 13en
dc.typeArticleen
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