1. School of Physics, University of New South Wales , NSW 2052, Australia
2. Finnish Centre for Astronomy with ESO, University of Turku , Vesilinnantie 5, 20014 Turku, Finland
3. Department of Physics and Astronomy, Botswana International University of Science and Technology , Private Bag 16, Palapye, Botswana
4. Department of Physics and Astronomy, University of Louisville , 102 Natural Science Building, 40292 KY Louisville, USA
5. Australian Astronomical Optics, Macquarie University , 105 Delhi Rd, North Ryde, NSW 2113, Australia
6. Macquarie University Research Centre for Astronomy, Astrophysics & Astrophotonics , Sydney, NSW 2109, Australia
7. ARC Centre of Excellence for All Sky Astrophysics in 3 Dimensions (ASTRO-3D) , Australia