A new astronomical camera has begun operations on the United Kingdom Infrared Telescope (UKIRT) in Hawaii. The Wide Field Camera (WFCAM), built at the UK Astronomy Technology Centre (UK ATC), Edinburgh, is the world’s most powerful infrared survey camera. It will survey large regions of the sky at infrared wavelengths and is expected to discover both the nearest objects outside our Solar System and the farthest known objects in the Universe.
WFCAM has the largest field of view of any astronomical infrared camera in the world. In a single exposure it can image an area of the sky equal to that of the full moon. "The ability to see such a large area at once, with state-of-the-art detectors, makes WFCAM the fastest infrared survey instrument in the world, bar none." said Dr Andy Adamson, Head of Operations for UKIRT.
WFCAM detects infrared light, or heat radiation, which is the key to understanding many types of astronomical objects. These include stars in our own Galaxy and beyond, interstellar clouds, the mysterious "failed stars" known as brown dwarfs, and quasars at the edge of the observable Universe.
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15.08.2018 | American Institute of Physics
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15.08.2018 | University of California - Riverside
Scientists at the University of California, Los Angeles present new research on a curious cosmic phenomenon known as "whistlers" -- very low frequency packets...
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Proteins must be folded correctly to fulfill their molecular functions in cells. Molecular assistants called chaperones help proteins exploit their inbuilt folding potential and reach the correct three-dimensional structure. Researchers at the Max Planck Institute of Biochemistry (MPIB) have demonstrated that actin, the most abundant protein in higher developed cells, does not have the inbuilt potential to fold and instead requires special assistance to fold into its active state. The chaperone TRiC uses a previously undescribed mechanism to perform actin folding. The study was recently published in the journal Cell.
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