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6 July 2018 Evryscopes North and South: hardware to science
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Abstract
The Evryscope is a two-dozen-camera gigapixel-scale robotic telescope, which continuously images 8,000 square degrees in 2-minute exposures. The photometric performance reaches 5-10 millimag levels on a bright stars, depending on cadence, and on fainter objects is sufficient to detect planets around nearby cool main sequence stars and a host of other objects including eclipsing binaries, stellar activity, and microlensing events. The telescope also provides fast cadence observations necessary for detecting minute time-scale exoplanet transits, which would occur around small, compact host stars including white dwarfs and hot subdwarfs. The Evryscope South has been collecting data continuously since deployment to CTIO in mid-2015, and has produced millions of images and 100s of terabytes of data. Evryscope North is under construction and will be deployed to Mt. Laguna observatory in partnership with San Diego State University (SDSU) in late 2018. We present the instrument design, construction, solutions to unique challenges, results of ongoing surveys including searches for exoplanets in exotic star systems, a gas giant exoplanet candidate, low-mass stellar companion discoveries, and stellar activity characterization.
© (2018) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Jeff K. Ratzloff, Nicholas M. Law, Henry T. Corbett, Octavi Fors, and Ward S. Howard "Evryscopes North and South: hardware to science", Proc. SPIE 10702, Ground-based and Airborne Instrumentation for Astronomy VII, 107025K (6 July 2018); https://doi.org/10.1117/12.2314346
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