Bhattacharya, J. C(Centre of Advanced Study in Astronomy,Osmania University, 1974)
The problems connected with observations in the near infra-red from ground based locations
are discussed. It is shown that optical telescopes located at high stations in India. can be used
effectively for near infra-red ...
Vasundhara, R; Bhattacharyya, J. C(Centre national D Etudes Spatiales, 1982)
The possibility of the Uranus epsilon ring having a structure consisting of a twisted bundle of narrow lanes of condensed material similar to that of Saturn's F ring was examined by cross correlation of a pair of light ...
Berger, T. E; Bergamini, P; Walker II, A. B. C; Jain, S. K; Saxena, A. K; Bhattacharyya, J. C; Huber, M. H; Tondello, G; Naletto, G; Baker, P. C(SPIE-The International Society for Optical Engineering, 1993)
The HiRES sounding rocket payload has been described in detail in previous SPIE Proceedings. Here, optical design of the toroidal grating spectrograph is presented and discussed. Ray tracing results are presented which ...