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Cosmic ray electron acceleration in the remnant of nova GK Persei?
N. G. Kantharia, G. C. Anupama, Prasad Subramanian
Radio observations of the nova remnant of GK Per around 1985 (epoch 1) have shown it to have a spectral index of -0.4 (S propto nu^alpha) at frequencies <1.4 GHz and a spectral ind…
Using transport coefficients of cosmic rays in turbulent magnetic fields to determine hybrid viscosity in hot accretion disks around AGN
Prasad Subramanian, Peter A. Becker, Menas Kafatos
The nature of the viscosity operative in hot, two-temperature accretion disks around AGN has been a long-standing, unsolved problem. It has been previously suggested that protons,…
LASCO Measurements of the Energetics of Coronal Mass Ejections
Angelos Vourlidas, Prasad Subramanian, K. P. Dere +1
We examine the energetics of Coronal Mass Ejections (CMEs) with data from the LASCO coronagraphs on SOHO. The LASCO observations provide fairly direct measurements of the mass, vel…
Inner region accretion flows onto black holes
Menas Kafatos, Prasad Subramanian
We examine here the inner region accretion flows onto black holes. A variety of models are presented. We also discuss viscosity mechanisms under a variety of circumstances, for sta…