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Night time geomagnetic effects of solar flares

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dc.contributor.author Sastri, J. H
dc.date.accessioned 2009-07-30T10:12:13Z
dc.date.available 2009-07-30T10:12:13Z
dc.date.issued 1975-07
dc.identifier.citation Annales de Geophysique, Vol. 31, pp. 389 - 393 en
dc.identifier.issn 0003-4029
dc.identifier.uri http://hdl.handle.net/2248/4689
dc.description.abstract A study of the normal run magnetogram data of two equatorial stations, Kodaikanal (Geo. Long. 77 deg 28 min E, Dip 3.5 deg N) and Huancayo (Geo. Long. 75 deg 20 min W, Dip 2.0 deg N), for a three year period (1969-1971), showed that solar flare effects on geomagnetic variation do occur even in the dark hemisphere. The night time geomagnetic effects of solar flares as observed at Kodaikanal are noticed to exhibit a distinct shape and possess sufficient amplitude in the H-component (more than 4 times the distance from the earth's center at the maximum). A comparative study of the characteristics of the night time geomagnetic effects of solar flares observed at Kodaikanal in relation to the simultaneous day time effects observed at Huancayo, revealed that the night time effects are characterized by slower rise and decay compared to day time effects. en
dc.language.iso en en
dc.publisher European Geophysical Society en
dc.relation.uri http://adsabs.harvard.edu//abs/1975AnG....31..389S en
dc.subject Diurnal Variations en
dc.subject Geomagnetism en
dc.subject Magnetic Variations en
dc.subject Solar Activity Effects en
dc.subject Solar Flares en
dc.subject Annual Variations en
dc.subject Daytime en
dc.subject Ionospheric Currents en
dc.subject Night Sky en
dc.subject Solar X-Rays en
dc.title Night time geomagnetic effects of solar flares en
dc.type Article en

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