Institution: | Joint Astronomy Centre, 660 N. A'ohōkūPlace, University Park, Hilo, Hawaii 96720, USA; Department of Physics, University of Victoria, PO Box 1700 STN CSC, Victoria, BC V8W 2Y2, Canada; Armagh Observatory, College Hill, Armagh BT61 9DG; Department of Physical Sciences, University of Hertfordshire, Hatfield, Herts AL10 9AB |