3 papers
astro-ph1998
Long-Term Scintillation Studies of Pulsars: II. Refractive Effects and the Spectrum of Plasma Density Fluctuations
N. D. Ramesh Bhat, Yashwant Gupta, A. Pramesh Rao
Refractive scintillation effects are powerful techniques for discriminating between different models proposed for the electron density fluctuation spectrum in the ISM. Data from ou…
astro-ph1998
Long-Term Scintillation Studies of Pulsars: I. Observations and Basic Results
N. D. Ramesh Bhat, A. Pramesh Rao, Yashwant Gupta
We report long-term scintillation observations of 18 pulsars in the DM range 3-35 pc cm^{-3} carried out during 1993-1995 using the Ooty Radio Telescope at 327 MHz. These observati…
astro-ph1998
Pulsar Scintillation and the Local Bubble
N. D. Ramesh Bhat, Yashwant Gupta, A. Pramesh Rao
We present here the results from an extensive scintillation study of twenty pulsars in the dispersion measure (DM) range 3 - 35 pc cm^-3 caried out using the Ooty Radio Telescope (…