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Correlation of the New Sunspot Number and Geomagnetic aa Index in the Years 1900-2013

Published online by Cambridge University Press:  27 November 2018

Marielle R. Eduardo ,
Quirino M. Sugon Jr.  and
Bhazel Anne R. Pelicano
Marielle R. Eduardo
Affiliation:
Department of Physical Sciences, College of Science, University of the Philippines Baguio, Governor Pack Road, Baguio City, Philippines 2600 email: mreduardo@up.edu.ph
Quirino M. Sugon Jr.
Affiliation:
Upper Atmosphere Dynamics, Manila Observatory, Ateneo de Manila University Campus, Loyola Heights, Quezon City, Philippines1800 Department of Physics, School of Science and Engineering, Ateneo de Manila University, Loyola Heights, Quezon City, Philippines 1800
Bhazel Anne R. Pelicano
Affiliation:
Department of Physical Sciences, College of Science, University of the Philippines Baguio, Governor Pack Road, Baguio City, Philippines 2600 email: mreduardo@up.edu.ph Philippine Science High School CAR Campus, Benguet, Philippines 2600
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Abstract

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The recalibration of the sunspot number series has established a new standard version for sunspot time series that requires updating of prior results based on the calibration. These recent sunspot number corrections mean a change in the results of the previous correlational studies of ISSN with geomagnetic indices, such as the aa-index. In this paper, we investigate the correlation between the old and new sunspot numbers ISSN and SN and their relationship with the aa index through time series, using the methods of Echer et. al (2004), Verma & Trippathi (2016), Stamper et. al (1996), and Feynman (1982).

Keywords

Geomagnetic activitySolar activitySunspot numberaa index
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. 43 - 46
Copyright
Copyright © International Astronomical Union 2018 

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