1. Centre for Astrophysics, University of Southern Queensland, West Street, Toowoomba, QLD 4350, Australia
2. Space Science and Engineering Division, Southwest Research Institute, San Antonio, TX 78238, USA
3. Research School of Astronomy & Astrophysics, Australian National University, ACT 2611, Australia
4. Centre of Excellence for Astrophysics in Three Dimensions (ASTRO-3D), Australia
5. Sydney Institute for Astronomy, School of Physics, A28, The University of Sydney, NSW 2006, Australia
6. Monash Centre for Astrophysics, Monash University, Clayton VIC 3800, Australia
7. School of Physics and Astronomy, Monash University, Clayton VIC 3800, Australia
8. Australian Astronomical Optics, Faculty of Science and Engineering, Macquarie University, Macquarie Park, NSW 2113, Australia
9. Macquarie University Research Centre for Astronomy, Astrophysics & Astrophotonics, Sydney, NSW 2109, Australia
10. Istituto Nazionale di Astrofisica, Osservatorio Astronomico di Padova, vicolo dell’Osservatorio 5, I-35122, Padova, Italy
11. Faculty of Mathematics and Physics, University of Ljubljana, Jadranska 19, 1000 Ljubljana, Slovenia
12. Department of Astronomy, Stockholm University, AlbaNova University Centre, SE-106 91 Stockholm, Sweden
13. Department of Physics and Astronomy, Macquarie University, Sydney, NSW 2109, Australia
14. School of Physics, University of New South Wales – Sydney, Sydney 2052, Australia
15. Max Planck Institute for Astronomy, K onigstuhl 17, D-69117 Heidelberg, Germany