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    • The low-frequency radio spectrum of the continuum emission from the undisturbed sun

      K. R. Subramanian Ch. V. Sastry

      Volume 9 Issue 4 December 1988 pp 225-229

    • Fulltext

       

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      Permanent link:
      https://www.ias.ac.in/article/fulltext/joaa/009/04/0225-0229

    • Keywords

       

      Sun, low-frequency radio observations; Sun, corona

    • Abstract

       

      The low-frequency radio spectrum of the continuum emission from the undisturbed Sun is determined for 24 days during the period 1985 May-September. It is found that the spectral index varied from + 1.6 to +3.6 during this period. It is suggested that the large positive spectral indices are due to the existence of temperature gradients in the outer corona.

    • Author Affiliations

       

      K. R. Subramanian1 2 Ch. V. Sastry1 2

      1. Indian Institute of Astrophysics, Bangalore - 560034
      2. Raman Research Institute, Bangalore - 560034

    • Dates

       
      Published
      December 1988
      Manuscript received
      29 June 1988
      Accepted
      6 September 1988

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