Large Synoptic Survey Telescope | Wikipedia audio article
Channel: wikipedia tts
Date: 2018-12-08

This is an audio version of the Wikipedia Article:
Large Synoptic Survey Telescope


00:02:15 1 History
00:05:45 2 Overview
00:06:35 2.1 Optics
00:09:30 2.2 Camera
00:11:27 2.3 Image data processing
00:16:07 3 Scientific goals
00:17:58 4 Comparison with other sky surveys
00:19:59 5 Construction progress
00:21:09 5.1 Mirrors
00:23:14 5.2 Building
00:24:10 5.3 Telescope Mount Assembly
00:25:34 5.4 Camera
00:26:14 5.5 Data Transport
00:27:38 6 Notes
00:27:47 7 See also



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- Socrates



SUMMARY
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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 first light anticipated in 2020, 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."