La Silla-QUEST Variability Survey

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Scientific paper

The La Silla-QUEST (LSQ) Variability Survey is a dedicated wide field synoptic survey, focusing on the discovery and study of transients ranging from low redshift (z < 0.1) SN Ia, Tidal Disruption events, RR Lyrae variables, CVs, Quasars, TNOs and others. The survey utilizes the 1.0-m Schmidt Telescope of the European Southern Observatory at La Silla, Chile with the large area QUEST camera, a mosaic of 112 CCD's with field of view of 9.6 square degrees. The QUEST camera was previously installed on the 1.2-m Oschin Schmidt at Palomar and was responsible for the detection of several hundred nearby supernovae for the Berkeley Supernova Factory, studies of quasar and blazar variability, and the discovery of dwarf planets in the outer solar system. The LSQ Survey was commissioned in 2009, and is now regularly surveying 1000 square deg per night with a repeat cadence of hours to days. The data are currently processed on a daily basis though the Yale photometry pipeline. We present here a first look at the photometric capabilities of LSQ, including light curves of known SN and RR Lyrae stars, and we discuss the future goals of the survey.

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