ner_tags: O B-Person O O O B-Organization I-Organization I-Organization O B-Grant B-Person O O O O O B-Organization I-Organization I-Organization O O B-Grant O O O O O O O B-Observatory I-Observatory I-Observatory O O B-Organization O O O B-Location I-Location O O O O O O O O O O O O O O O B-Telescope O O O O B-Organization I-Organization B-Organization O O O O B-Organization I-Organization O O B-Organization I-Organization I-Organization O O O B-ComputingFacility I-ComputingFacility I-ComputingFacility O O O O O B-Organization I-Organization O B-Organization I-Organization O O O O O B-Organization I-Organization I-Organization B-Organization I-Organization I-Organization I-Organization I-Organization I-Organization B-Organization O O O B-Grant O O O O O O O O O O O O
tokens: Acknowledgments DLK was supported by National Science Foundation grant AST-1412421. TM acknowledges the support of the Australian Research Council through grant FT150100099. This scientific work makes use of the Murchison Radio-astronomy Observatory, operated by CSIRO. We acknowledge the Wajarri Yamatji people as the traditional owners of the Observatory site. Support for the operation of the MWA is provided by the Australian Government (NCRIS), under a contract to Curtin University administered by Astronomy Australia Limited. We acknowledge the Pawsey Supercomputing Centre that is supported by the Western Australian and Australian Governments.This research was conducted by the Australian Research Council Centre of Excellence for All-sky Astrophysics (CAASTRO), through project number CE110001020. Special thanks to the anonymous referee whose comments greatly improved this manuscript.