IIA Institutional Repository

Browsing by Author "Shevgaonkar, R. K"

Browsing by Author "Shevgaonkar, R. K"

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  • Simultaneous dual wavelength observations of an impulsive microwave burst using the V.L.A. 
    Shevgaonkar, R. K; Kundu, M. R (Elsevier B.V., 1984)
    Simultaneous observations of a microwave burst at 2 and 6 cm wavelengths were carried out with the Very Large Array (VLA). The 6 cm burst source is located close to a magnetic neutral line, presumably near the top of a ...
  • Simultaneous microwave observations of solar flares at 6 and 20 CM wavelengths using the VLA 
    Melozzi, M; Kundu, M. R; Shevgaonkar, R. K (Kluwer Academic Publishers, 1985-06)
    Using the Very Large Array, solar burst observations have been carried out simultaneously at 6 and 20 cm. Structural changes and preheating have been observed in the flaring regions on time scales of minutes to tens of ...
  • Solar coronal bright points observed with the VLA 
    Habbal, S. R; Ronan, R. S; Withbroe, G. L; Shevgaonkar, R. K; Kundu, M. R (The American Astronomical Society, 1986-07)
    The first observations of solar coronal bright points made at 20-cm wavelength with the VLA are reported. The brightness temperature of the sources observed varies between 1 and 5 x 10 to the 5th K. The observations indicate ...
  • Speckle interferometry at IIA and elsewhere: An overview 
    Venkatakrishnan, P; Saha, S. K; Shevgaonkar, R. K (Tata Institute of Fundamental Reserach, 1988)
    The technique of speckle interferometry, used for compensating the blurring effects of the earth's atmosphere, is briefly outlined. The achievements of this technique by different groups in the world are listed. We then ...
  • The structure of the Cygnus Loop at 34.5 MHz 
    Sastry, Ch. V; Shevgaonkar, R. K; Dwarakanath, K. S (Indian Academy of Sciences, 1981-09)
    The large supernova remnant Cygnus Loop was observed at 34.5 MHz with a low-frequency radio telescope at Gauribidanur, India. The structure of the object is presented on a radio map with a resolution of 26 arcmin x 40 ...
  • Three-dimensional structures of two solar active regions from VLA observations at 2, 6, and 20 centimeter wavelengths 
    Shevgaonkar, R. K; Kundu, M. R (The American Astronomical Society, 1984-08)
    Three-dimensional structures of two active region groups are determined from observations with the Very Large Array (VLA) at 2, 6, and 20 cm. One of the groups exhibits a single magnetic loop of length approximately 10 to ...
  • VLA observations of solar active regions at 6 and 20 CM 
    Alissandrakis, C. E; Kundu, M. R; Shevgaonkar, R. K (The European Southern Observatory, 1991-11)
    High-resolution observations are presented of two active regions at 6 and 20 cm over a period of 5 days, together with H-alpha and photospheric magnetic fields. The large-scale emission at 20 cm is associated with the ...

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