1. Centre for Astrophysics and Supercomputing, Swinburne University of Technology, Hawthorn VIC 3122, Australia
2. Australian Astronomical Observatory, North Ryde, NSW 2113, Australia
3. Department of Physics and Astronomy, San José State University, One Washington Square, San Jose, CA, 95192, USA
4. University of California Observatories, 1156 High Street, Santa Cruz, CA 95064, USA
5. Deakin Software and Technology Innovation Laboratory, Deakin University, Burwood, VIC 3125, Australia