Pandey, S. B; Anupama, G. C; Sagar, R; Bhattacharya, D; Castro-Tirado, A. J; Sahu, D. K; Parihar, P. S; Prabhu, T. P(The European Southern Observatory, 2003-09)
Chitnis, V. R; Acharya, B. S; Bhat, P. N; Cowsik, R; Prabhu, T. P; Srinivasan, R; Srivatsan, R; Vishwanath, P. R(Tata Institute of Fundamental Research, 2005)
Sripathi Acharya, B; Cowsik, R; Bhat, P. N; Chitnis, V. R; Vishwanath, P. R; Prabhu, T. P; Srinivasan, R(International Union of Pure and Applied Physics, 2003-07)