IIA Institutional Repository

Browsing by Subject "Solar X-Rays"

Browsing by Subject "Solar X-Rays"

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  • Geomagnetic effect associated with X-ray flare from Sco X-1 
    Sastri, J. H; Murthy, B. S (Nature Publishing Group, 1975-09)
    The possibility is examined that an X-ray flare from Sco X-1, detected during a balloon flight in 1967, had a daytime geomagnetic effect. There was uncertainty as to the cause of the geomagnetic effect because of a ...
  • Geomagnetic effects in the dark hemisphere associated with solar flares 
    Sastri, J. H; Murthy, B. S (Japan Science and Technology Agency, 1975-01)
    Observational data are presented which show that geomagnetic effects occur in the dark hemisphere in association with solar flares. The characteristics of these events (referred to as NTSFEs) are found to be significantly ...
  • Night time geomagnetic effects of solar flares 
    Sastri, J. H (European Geophysical Society, 1975-07)
    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), ...
  • On the eruption of prominences and disappearance of quiescent filaments 
    Singh, J; Gupta, S. S (Springer, 1995-05)
    We suggest the following heuristic model for the evolution of a quiescent filament. The middle part of the filament rises due to heating, while its ends remain anchored in the chromosphere; and a kink appears in the H alpha ...
  • On the relationships between sfe (crochet) and solar X-ray and microwave bursts 
    Sastri, J. H; Murthy, B. S (D.Reidel Publishing Co.,, 1975-04)
    Geomagnetic crochets (sfe) observed at Kodaikanal over the period 1966-71 have been studied in relation to solar X-ray bursts observed by NRL satellite (SOLRAD-9) in the 0.5-3 A, 1-8 A and 8-20 A bands and radio bursts ...

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