1. Research Center for Space, National Research and Innovation Agency , Bandung 40132, Indonesia
2. School of Physics and Astronomy, University of Southampton , Highfield, Southampton SO17 1BJ, United Kingdom
3. Centre for Extragalactic Astronomy, Department of Physics, Durham University , DH1 3LE, United Kingdom
4. South African Astronomical Observatory , PO Box 9, Observatory, 7935 Cape Town, South Africa
5. Department of Astronomy, University of Cape Town , Private Bag X3, Rondebosch 7701, South Africa
6. Department of Physics, University of the Free State , PO Box 339, Bloemfontein 9300, HSouth Africa