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LSST: making movies of AGB stars

Published online by Cambridge University Press:  30 December 2019

Željko Ivezić ,
Krzysztof Suberlak  and
Owen M. Boberg
Željko Ivezić
Affiliation:
Department of Astronomy, University of Washington, Box 351580, Seattle, WA 98195-1580, USA email: ivezic@astro.washington.edu
Krzysztof Suberlak
Affiliation:
Department of Astronomy, University of Washington, Box 351580, Seattle, WA 98195-1580, USA email: ivezic@astro.washington.edu
Owen M. Boberg
Affiliation:
Department of Astronomy, University of Washington, Box 351580, Seattle, WA 98195-1580, USA email: ivezic@astro.washington.edu
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Abstract

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LSST (www.lsst.org) will be a large, wide-field ground-based system designed to obtain repeated images covering the sky visible from Cerro Pachón in northern Chile. The telescope will have an 8.4m (6.5m effective) primary mirror, a 9.6 sq.deg. field of view, and a 3.2 Gigapixel camera. In a continuous observing campaign, LSST will cover the entire observable sky every three nights to a depth of V ∼ 25 per visit (using 30-second exposures and ugrizy filter set), with exquisitely accurate astrometry and photometry. Close to a half of the sky will be visited about 800 times during the nominal 10-year survey. The project is in the construction phase with first light expected in 2020 and the beginning of regular survey operations by 2022. We describe how these data will impact AGB star research and discuss how the system could be further optimized by utilizing narrow-band TiO and CN filters.

Keywords

surveys
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 14 , Symposium S343: Why Galaxies Care About AGB Stars: A Continuing Challenge through Cosmic Time , August 2018 , pp. 59 - 68
Copyright
© International Astronomical Union 2019 

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