39 citations · 86 across the 5 of their papers we have counts for
5 papers
Temporal evolutions and quasi-periodic variations present in the sunspot number and group sunspot area data measured at Kodaikanal Observatory for solar cycles 14 to 24
Belur Ravindra, Partha Chowdhury, Pratap Chandra Ray +1
The Kodaikanal Observatory has made synoptic observations of the Sun in white light since 1904, and these images are sketched on the Stonyhurst grids called sun charts. These conti…
Isotropic cases of static charged fluid spheres in general relativity
Basanti Das, Pratap Chandra Ray, Irina Radinschi +2
In this paper we study the isotropic cases of static charged fluid spheres in general relativity. For this purpose we consider two different specialization and under these we solve…
Generalized Model for -Dark Energy
Utpal Mukhopadhyay, P. C. Ray, Saibal Ray +1
Einstein field equations under spherically symmetric space-times are considered here in connection to dark energy investigation. A set of solutions are obtained for a kinematical $…
Scenario of inflationary cosmology from the phenomenological models
Saibal Ray, P. C. Ray, Partha Pratim Ghosh +2
Choosing the three phenomenological models of the dynamical cosmological term , viz., , and where is the cosmic scale facto…
Periodicity of ~155 days in solar electron fluence
Partha Chowdhury, P. C. Ray, Saibal Ray
In this paper we have investigated the occurrence rate of high energetic(E>10 MeV) solar electron flares measured by IMP-8 spacecraft of NASA for solar cycle 21 (June, 1976 to Augu…