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Researchers have revealed the largest digital camera ever built. http://www.lsst.org/
It would take 1500 high-definition television screens to display just one image from the Large Synoptic Survey Telescope's 3.2-gigapixel camera.
The vast camera will then be blasted into space, forming the heart of the Large Synoptic Survey Telescope (LSST).
Assembled at the DOE's SLAC National Accelerator Laboratory, the camera will be the eye of LSST, revealing unprecedented details of the universe and helping unravel some of its greatest mysteries.
The Department of Energy has now approved the start of construction.
The construction milestone, known as Critical Decision 3, is the last major approval decision before the acceptance of the finished camera, said LSST Director Steven Kahn: 'Now we can go ahead and procure components and start building it.'
Starting in 2022, LSST will take digital images of the entire visible southern sky every few nights from atop a mountain called Cerro Pachón in Chile.
It will produce a wide, deep and fast survey of the night sky, cataloguing by far the largest number of stars and galaxies ever observed.
During a 10-year time frame, LSST will detect tens of billions of objects—the first time a telescope will observe more galaxies than there are people on Earth – and will create movies of the sky with unprecedented details.
Funding for the camera comes from the DOE, while financial support for the telescope and site facilities, the data management system, and the education and public outreach infrastructure of LSST comes primarily from the National Science Foundation (NSF).
Components of the camera are being built by an international collaboration of universities and labs, including DOE's Brookhaven National Laboratory, Lawrence Livermore National Laboratory and SLAC.
SLAC is responsible for overall project management and systems engineering, camera body design and fabrication, data acquisition and camera control software, cryostat design and fabrication, and integration and testing of the entire camera. Building and testing the camera will take approximately five years.
SLAC is also designing and constructing the NSF-funded database for the telescope's data management system.
LSST will generate a vast public archive of data—approximately 6 million gigabytes per year, or the equivalent of shooting roughly 800,000 images with a regular 8-megapixel digital camera every night, albeit of much higher quality and scientific value.
This data will help researchers study the formation of galaxies, track potentially hazardous asteroids, observe exploding stars and better understand dark matter and dark energy, which together make up 95 percent of the universe but whose natures remain unknown.
'We have a busy agenda for the rest of 2015 and 2016,' said Kahn. 'Construction of the telescope on the mountain is well underway.
The contracts for fabrication of the telescope mount and the dome enclosure have been awarded and the vendors are at full steam.'
Nadine Kurita, camera project manager at SLAC, said fabrication of the state-of-the-art sensors for the camera has already begun, and contracts are being awarded for optical elements and other major components.
'After several years of focusing on designs and prototypes, we are excited to start construction of key parts of the camera.
'The coming year will be crucial as we assemble and test the sensors for the focal plane.'
The National Research Council's Astronomy and Astrophysics decadal survey, Astro2010, ranked the LSST as the top ground-based priority for the field for the current decade.
The recent report of the Particle Physics Project Prioritization Panel of the federal High Energy Physics Advisory Panel, setting forth the strategic plan for U.S. particle physics, also recommended completion of the LSST.
'We've been working hard for years to get to this point,' said Kurita.
'Everyone is very excited to start building the camera and take a big step toward conducting a deep survey of the Southern night sky.'
In one shot, the Large Synoptic Survey Telescope's 3.2-gigapixel camera will capture an area of the sky 40 times the size of the full moon (or almost 10 square degrees of sky). LSST's large mirror and large field of view work together to deliver more light from faint astronomical objects than any optical telescope in the world.
It would take 1500 high-definition television screens to display just one image from the Large Synoptic Survey Telescope's 3.2-gigapixel camera.
The vast camera will then be blasted into space, forming the heart of the Large Synoptic Survey Telescope (LSST).
Assembled at the DOE's SLAC National Accelerator Laboratory, the camera will be the eye of LSST, revealing unprecedented details of the universe and helping unravel some of its greatest mysteries.
The Department of Energy has now approved the start of construction.
The construction milestone, known as Critical Decision 3, is the last major approval decision before the acceptance of the finished camera, said LSST Director Steven Kahn: 'Now we can go ahead and procure components and start building it.'
Starting in 2022, LSST will take digital images of the entire visible southern sky every few nights from atop a mountain called Cerro Pachón in Chile.
It will produce a wide, deep and fast survey of the night sky, cataloguing by far the largest number of stars and galaxies ever observed.
During a 10-year time frame, LSST will detect tens of billions of objects—the first time a telescope will observe more galaxies than there are people on Earth – and will create movies of the sky with unprecedented details.
Funding for the camera comes from the DOE, while financial support for the telescope and site facilities, the data management system, and the education and public outreach infrastructure of LSST comes primarily from the National Science Foundation (NSF).
Components of the camera are being built by an international collaboration of universities and labs, including DOE's Brookhaven National Laboratory, Lawrence Livermore National Laboratory and SLAC.
SLAC is responsible for overall project management and systems engineering, camera body design and fabrication, data acquisition and camera control software, cryostat design and fabrication, and integration and testing of the entire camera. Building and testing the camera will take approximately five years.
SLAC is also designing and constructing the NSF-funded database for the telescope's data management system.
LSST will generate a vast public archive of data—approximately 6 million gigabytes per year, or the equivalent of shooting roughly 800,000 images with a regular 8-megapixel digital camera every night, albeit of much higher quality and scientific value.
This data will help researchers study the formation of galaxies, track potentially hazardous asteroids, observe exploding stars and better understand dark matter and dark energy, which together make up 95 percent of the universe but whose natures remain unknown.
'We have a busy agenda for the rest of 2015 and 2016,' said Kahn. 'Construction of the telescope on the mountain is well underway.
The contracts for fabrication of the telescope mount and the dome enclosure have been awarded and the vendors are at full steam.'
Nadine Kurita, camera project manager at SLAC, said fabrication of the state-of-the-art sensors for the camera has already begun, and contracts are being awarded for optical elements and other major components.
'After several years of focusing on designs and prototypes, we are excited to start construction of key parts of the camera.
'The coming year will be crucial as we assemble and test the sensors for the focal plane.'
The National Research Council's Astronomy and Astrophysics decadal survey, Astro2010, ranked the LSST as the top ground-based priority for the field for the current decade.
The recent report of the Particle Physics Project Prioritization Panel of the federal High Energy Physics Advisory Panel, setting forth the strategic plan for U.S. particle physics, also recommended completion of the LSST.
'We've been working hard for years to get to this point,' said Kurita.
'Everyone is very excited to start building the camera and take a big step toward conducting a deep survey of the Southern night sky.'
In one shot, the Large Synoptic Survey Telescope's 3.2-gigapixel camera will capture an area of the sky 40 times the size of the full moon (or almost 10 square degrees of sky). LSST's large mirror and large field of view work together to deliver more light from faint astronomical objects than any optical telescope in the world.
