Estimation of Fried's Parameter From Specklegrams of Solar Features |
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| Authors: | Sridharan R Venkatakrishnan P Verma VK |
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| Institution: | (1) Indian Institute of Astrophysics, Bangalore, 560 034, India;(2) Udaipur Solar Observatory, Udaipur, Rajasthan, 313 001, India;(3) State Observatory, Manora Peak, Nainital, 263 129, India |
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| Abstract: | A few methods of estimating Fried's parameter (r
0) from specklegrams of solar features are described. Some of these methods were used to estimate r
0 for the speckle data obtained from Kodaikanal Observatory (KO), Uttar Pradesh State Observatory (UPSO) and Udaipur Solar Observatory (USO). The average value of r
0 was found to be   3 cm at USO and UPSO during our observations. At KO, values of r
0 ranging from 6 to 10 cm were estimated. |
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