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Synergy between the Large Synoptic Survey Telescope and the Square Kilometre Array

Research paper by David Bacon, Sarah Bridle, Filipe B. Abdalla, Michael Brown, Philip Bull, Stefano Camera, Rob Fender, Keith Grainge, Zeljko Ivezic, Matt Jarvis, Neal Jackson, Donnacha Kirk, Bob Mann, Jason McEwen, John McKean, et al.

Indexed on: 16 Jan '15Published on: 16 Jan '15Published in: arXiv - Astrophysics - Cosmology and Nongalactic Astrophysics



Abstract

We provide an overview of the science benefits of combining information from the Square Kilometre Array (SKA) and the Large Synoptic Survey Telescope (LSST). We first summarise the capabilities and timeline of the LSST and overview its science goals. We then discuss the science questions in common between the two projects, and how they can be best addressed by combining the data from both telescopes. We describe how weak gravitational lensing and galaxy clustering studies with LSST and SKA can provide improved constraints on the causes of the cosmological acceleration. We summarise the benefits to galaxy evolution studies of combining deep optical multi-band imaging with radio observations. Finally, we discuss the excellent match between one of the most unique features of the LSST, its temporal cadence in the optical waveband, and the time resolution of the SKA.