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Blog Entries from December 6, 2011

Powerful NIST Detectors on Hawaiian Telescope to Probe Origins of Stars, Planets and Galaxies

A composite image of the Whirlpool Galaxy (also known as M51).

The world’s largest submillimeter camera—based on superconducting technology designed by the National Institute of Standards and Technology (NIST)—is now ready to scan the universe, including faint and faraway parts never seen before.

Mounted on the James Clerk Maxwell Telescope on Mauna Kea in Hawaii, the NIST technology will help accelerate studies of the origins of stars, planets and galaxies.

The new 4.5-ton SCUBA-2 camera, which contains more than 10,000 of NIST's superconducting sensors, is far more sensitive than its predecessor SCUBA (the highly productive Submillimeter Common-Use Bolometer Array), and will enable astronomers to map the sky hundreds of times faster and with a much larger field of view. SCUBA-2 will produce better images and sky maps, image new targets, and support deeper and broader surveys.

The product of an international research collaboration, SCUBA-2 will image objects ranging from comets in the Earth’s solar system to galaxies at the far ends of the universe. The camera is sensitive to objects associated with very cold gas and dust clouds, which absorb visible light (and therefore look black to optical telescopes) but emit the barest whiffs of submillimeter radiation—at wavelengths below 1 millimeter, between the microwave and infrared bands. Submillimeter light oscillates at terahertz frequencies, hundreds of times faster than cell phones.

“The submillimeter is the last frontier in astronomical imaging,” says NIST physicist Gene Hilton, who developed the fabrication method for the NIST instrument. “It’s been very difficult to develop cameras that work at this wavelength, so the submillimeter is largely unexplored. We’re excited to see what SCUBA-2 will reveal.”  Watch this video on how NIST is making a difference in viewing young stars, planets and galaxies.  Release