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HandWiki. Large Synoptic Survey Telescope. Encyclopedia. Available online: https://encyclopedia.pub/entry/33931 (accessed on 22 September 2026).
HandWiki. Large Synoptic Survey Telescope. Encyclopedia. Available at: https://encyclopedia.pub/entry/33931. Accessed September 22, 2026.
HandWiki. "Large Synoptic Survey Telescope" Encyclopedia, https://encyclopedia.pub/entry/33931 (accessed September 22, 2026).
HandWiki. (2022, November 10). Large Synoptic Survey Telescope. In Encyclopedia. https://encyclopedia.pub/entry/33931
HandWiki. "Large Synoptic Survey Telescope." Encyclopedia. Web. 10 November, 2022.
Large Synoptic Survey Telescope
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The Large Synoptic Survey Telescope (LSST) is a wide-field survey reflecting telescope with an 8.4-meter primary mirror, currently under construction, that will photograph the entire available sky every few nights. The word synoptic is derived from the Greek words σύν (syn "together") and ὄψις (opsis "view"), and describes observations that give a broad view of a subject at a particular time. The telescope uses a novel 3-mirror design, a variant of three-mirror anastigmat, which allows a compact telescope to deliver sharp images over a very wide 3.5-degree diameter field of view. Images will be recorded by a 3.2-gigapixel CCD imaging camera, the largest digital camera ever constructed. The telescope is located on the El Peñón peak of Cerro Pachón, a 2,682-meter-high mountain in Coquimbo Region, in northern Chile , alongside the existing Gemini South and Southern Astrophysical Research Telescopes. The LSST Base Facility is located about 100 kilometres (62 mi) away by road, in the town of La Serena. The LSST was proposed in 2001, and construction of the mirror began (with private funds) in 2007. LSST then became the top-ranked large ground-based project in the 2010 Astrophysics Decadal Survey, and the project officially began construction 1 August 2014 when the National Science Foundation (NSF) authorized the FY2014 portion ($27.5 million) of its construction budget. The ceremonial laying of the first stone was performed on 14 April 2015. Site construction began on April 14, 2015, with engineering first light anticipated in 2019, science first light in 2021, and full operations for a ten-year survey commencing in January 2022. LSST, unlike almost all previous large astronomical observatories, has committed to making all data public as soon as it is taken. In their words "By providing immediate public access to all the data it obtains, it will provide everyone, the professional and the “just curious” alike, a deep and frequent window on the entire sky."

decadal astrophysics 3.2-gigapixel

References

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