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Browsing by Author "Deshpande, M. R"

Browsing by Author "Deshpande, M. R"

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  • Radio emission as a diagnostic for solar coronal rotation 
    Vats, H. O; Deshpande, M. R; Mehta, M; Shah, C. R; Shah, K. J (Astronomical Society of India, 1999)
    The time series of solar radio emission at 2.8 GHz is analysed using correlation methods. The analysis showed that this type of time series can be used to infer the rotation period of the source (in this case solar corona). ...
  • A report on PRL's interplanetary scintillation (IPS) radio telescopes 
    Vats, Hari Om; Deshpande, M. R (Astronomical Society of India, 1994)
    Physical Research Laboratory (PRL) has two radio telescopes operating at 103 MHz. The telescopes are situated at Thaltej and Rajkot. This article briefly describes the various sub-systems of these telescopes. There has ...
  • Science from "Solar X-ray Spectrometer (SOXS)" - Proposed payload onboard Indian satellite 
    Jain, R; Rao, A. R; Deshpande, M. R; Dwivedi, B. N; Manoharan, P. K; Seetha, S; Vahia, M. N; Vats, H. O; Venkatakrishnan, P (Astronomical Society of India, 2000)
    It is proposed to fly a high spectral and temporal resolution "Solar X-ray Spectrometer (SOXS)" onboard Indian satellite to understand the mechanisms of energy release and particle acceleration in solar flares. The SOXS ...
  • Solar plasma acceleration in the corona 
    Mehta, M; Vats, H. O; Deshpande, M. R; Iyer, K. N; Kojima, M (Astronomical Society of India, 1998)
  • Solar wind : structure and dynamics 
    Vats, H. O; Iyer, K. N; Oza, R. M; Mehta, M; Deshpande, M. R; Kojima, M (Astronomical Society of India, 1998)
    The interplanetary scintillation (IPS) observations can be used for the determination of structure and dynamics of the solar wind. The parameters of the plasma irregularities of the solar wind are usually derived by ...
  • Statistics of occurrence of giant pulses from PSR 0950+08 
    Singal, A. K; Vats, H. O; Deshpande, M. R (Astronomical Society of India, 2000)
  • Study of variability in BL Lac objects 
    Baliyan, K. S; Ganesh, S; Joshi, U. C; Shah, C. R; Vadher, N. M; Deshpande, M. R (Astronomical Society of India, 2001)
    We have monitored some of the BL Lac objects, such as OJ287, Mrk 421, Mrk 501 etc from Mt Abu Infrared Observatory, using optical photopolarimeter, CCD and NICMOS-3 IR array mounted at the Cassegrain focus of the 1.2 m ...
  • Terrestrial effects of PSR 0950 + 08 (Paper 2) 
    Vats, Hari Om; Chandra, H; Deshpande, M. R; Janardhan, P; Vyas, G. D (Astronomical Society of India, 1993)
    This article presents indirect evidence that on July 29, 1992 PSR 0950 + 08 emitted a burst of X-ray emissions along with the enhanced radio pulses. This indirect evidence is seen in the form of excess absorption of HF ...
  • Total electron content and F-region electron density distribution near the magnetic equator in India 
    Rastogi, R. G; Sethia, G; Chandra, H; Deshpande, M. R; Davies, K; Murthy, B. S (Pergamon Press, 1979-06)
    Total electron content derived from the group delay measurements of ATS-6 radio beacons received at Ootacamund (India) are compared with the electron-density vs height distributions derived from the ionosonde data of the ...
  • Variation of linear polarization in the R Aquarii system 
    Deshpande, M. R; Joshi, U. C; Kulshrestha, A. K; Sen, A. K; Kameswara Rao, N; Raveendran, A. V (Astronomical Society of the Pacific, 1987-01)
    Linear polarization measurements of the R Aqr system are reported here. The R Aqr system shows strong wavelength dependence of percent polarization and position angle, which are strongly time dependent also. There is a ...

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