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Solar Activities and Its Impact on Space Weather

Published online by Cambridge University Press:  27 November 2018

Drabindra Pandit ,
Narayan P. Chapagain ,
Binod Adhikari  and
Roshan K. Mishra
Drabindra Pandit
Affiliation:
Dept. of Physics, St. Xavier’s College, Tribhuvan University Maitighar, Kathmandu, Nepal Dept. of Physics, Patan Multiple Campus, Tribhuvan University Patandhoka, Lalitpur, Nepal Central Dept. of Physics, Tribhuvan University Maitighar, Kathmandu, Nepal email: [email protected], [email protected], [email protected], [email protected]
Narayan P. Chapagain
Affiliation:
Dept. of Physics, Patan Multiple Campus, Tribhuvan University Patandhoka, Lalitpur, Nepal
Binod Adhikari
Affiliation:
Dept. of Physics, St. Xavier’s College, Tribhuvan University Maitighar, Kathmandu, Nepal Central Dept. of Physics, Tribhuvan University Maitighar, Kathmandu, Nepal email: [email protected], [email protected], [email protected], [email protected]
Roshan K. Mishra
Affiliation:
Dept. of Physics, St. Xavier’s College, Tribhuvan University Maitighar, Kathmandu, Nepal
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Abstract

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The Sun is an active star and its magnetic field fluctuates from a fraction of a second to a long period of time. The solar wind, CME, solar prominence, solar flares, solar particle and solar filament are the direct result of solar magnetic activity effects on the interplanetary space, Earth’s magnetosphere and ionosphere. The intensity of irruption of these phenomena from the Sun’s surface depends upon its phases. The extreme events affect technology both in space and on the ground.The data obtained from series of observations can help to predict solar activities and safekeeping to the space technology. In this study the cross correlations between IMF Bz, solar wind velocity(Vsw) and interplanetary electric field(Ey) with AE and SYM-H are studied. The results reveal that strong geomagnetic disturbances have high impact on the components of space weather than weak disturbances have.

Keywords

Interplanetary spaceEarth’s magnetosphereGeomagnetic disturbances etc.
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 13 , Symposium S340: Long-term Datasets for the Understanding of Solar and Stellar Magnetic Cycles , February 2018 , pp. 149 - 150
Copyright
Copyright © International Astronomical Union 2018 

References

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