B. P. Hema (1), Gajendra Pandey (1), Devika Kamath (2,3,4), N. Kameswara Rao (1, 5), David Lambert (5), Vincent M. Woolf (6) ((1) Indian Institute of Astrophysics, India (2) Macquarie University, Australia (3) Australian Astronomical Observatory, Australia. (4) Instituut voor Sterrenkunde, Belgium. (5) The W.J. McDonald Observatory, University of Texas (6) University of Nebraska at Omaha)
