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Kiran Jain
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Volume 21 Issue 3-4 September 2000 pp 349-352
Helioseismic solar cycle changes and splitting coefficients
S. C. Tripathy Kiran Jain A. Bhatnagar
Using the GONG data for a period over four years, we have studied the variation of frequencies and splitting coefficients with solar cycle. Frequencies and even-order coefficients are found to change significantly with rising phase of the solar cycle. We also find temporal variations in the rotation rate near the solar surface.
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Volume 21 Issue 3-4 September 2000 pp 357-360
S. C. Tripathy Brajesh Kumar Kiran Jain A. Bhatnagar
Using intermediate degree
p -mode frequency data sets for solar cycle 22, we find that the frequency shifts and magnetic activity indicators show a “hysteresis” phenomenon. It is observed that the magnetic indices follow different paths for the ascending and descending phases of the solar cycle while for radiative indices, the separation between the paths are well within the error limits.
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Journal of Astrophysics and Astronomy
Current Issue
Volume 40 | Issue 5
October 2019
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Journal of Astrophysics and Astronomy | News
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Continuous Article Publication
Posted on January 27, 2016Since January 2016, the Journal of Astrophysics and Astronomy has moved to Continuous Article Publishing (CAP) mode. This means that each accepted article is being published immediately online with DOI and article citation ID with starting page number 1. Articles are also visible in Web of Science immediately. All these have helped shorten the publication time and have improved the visibility of the articles.
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Editorial Note on Continuous Article Publication
Posted on July 25, 2019Click here for Editorial Note on CAP Mode
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