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How Good are the Predictions for Oscillation Frequencies

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Abstract

We have used available intermediate degree p-mode frequencies for solar cycle 23 to check the validity of previously derived empirical relations for frequency shifts (Jain et al., 2000). We find that the calculated and observed frequency shifts during the rising phase of cycle 23 are in good agreement. The observed frequency shift from minimum to maximum of this cycle as calculated from MDI frequency data sets is 251±7 nHz and from GONG data is 238±11 nHz. These values are in close agreement with the empirically predicted value of 271±22 nHz.

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Authors and Affiliations

  1. A Unit of Physical Research Laboratory, Udaipur Solar Observatory, Off Bari Road, Dewali, P.B. No. 198, Udaipur, 313001, India

    Kiran Jain, S.C. Tripathy & A. Bhatnagar

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  1. Kiran Jain
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  2. S.C. Tripathy
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  3. A. Bhatnagar
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Jain, K., Tripathy, S. & Bhatnagar, A. How Good are the Predictions for Oscillation Frequencies. Solar Physics 206, 213–217 (2002). https://doi.org/10.1023/A:1015046220883

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