Abstract
The purpose of the present study is to investigate the association of the cosmic ray intensity (CRI) and interplanetary magnetic field (IMF) with high speed solar wind streams (HSSWS) and slow speed solar wind streams (SSSWS) for solar cycle \(-23\) and 24. We have found very interesting and adequate results where CRI provides inverse relationship with the above mentioned streams. Since the correlation coefficient in case of HSSWS is found to be high as compared to SSSWS, it implies that HSSWS are more competent parameters to produce decrease in CRI as compared to SSSWS. Overall analysis of our study shows that CRI, IMF and product of wind speed and IMF (V.B) are poorly correlated with each other for both solar cycles. The year 2016 showed remarkable behavior as there was a drastic increase in the values of interplanetary magnetic field in comparison to the previous years which caused the change in pattern of solar wind streams.
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Acknowledgements
Authors are thankful to IUCAA, Pune for content page service and also thankful to ARIES, Nainital for providing library and computing facilities. Thankfully, acknowledge UGC, New Delhi for financial assistance under the MRP No. F42-825.
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Pokharia, M., Prasad, L., Mathpal, C. et al. Association Between the Solar Wind Speed, Interplanetary Magnetic Field and the Cosmic Ray Intensity for Solar Cycles 23 and 24. J Astrophys Astron 38, 65 (2017). https://doi.org/10.1007/s12036-017-9483-4
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DOI: https://doi.org/10.1007/s12036-017-9483-4