A. M. Riyas (Department of Physics, University of Calicut, Thenhipalam, Malappuram, Kerala, India), D. Karinkuzhi (Department of Physics, University of Calicut, Thenhipalam, Malappuram, Kerala, India, Institute of Astronomy, Astrophysics, Universit'e Libre de Bruxelles), S. Van Eck (Institute of Astronomy, Astrophysics, Universit'e Libre de Bruxelles, BLU-ULB, Brussels Laboratory of the Universe, blu.ulb.be), A. Choplin (Institute of Astronomy, Astrophysics, Universit'e Libre de Bruxelles, BLU-ULB, Brussels Laboratory of the Universe, blu.ulb.be), S. Goriely (Institute of Astronomy, Astrophysics, Universit'e Libre de Bruxelles, BLU-ULB, Brussels Laboratory of the Universe, blu.ulb.be), L. Siess (Institute of Astronomy, Astrophysics, Universit'e Libre de Bruxelles, BLU-ULB, Brussels Laboratory of the Universe, blu.ulb.be), A. A. Farha (Department of Physics, University of Calicut, Thenhipalam, Malappuram, Kerala, India)
