The Submillimeter Array SMA News
 
The Submillimeter Array (SMA) is an 8-element radio interferometer located atop Mauna Kea in Hawaii. Operating at frequencies from 180 GHz to 700 GHz, the 6m dishes may be arranged into configurations with baselines as long as 509m, producing a synthesized beam of sub-arcsecond width. Each element can observe with two receivers simultaneously, with 2 GHz bandwidth each. The digital correlator backend allows flexible allocation of thousands of spectral channels to each receiver.

SMA Site Hawaii
The Submillimeter Array is a joint project between the Smithsonian Astrophysical Observatory and the Academia Sinica Institute of Astronomy and Astrophysics and is funded by the Smithsonian Institution and the Academia Sinica.
SMA Director: Dr. Ray Blundell
SMA Project Scientist: Dr. Eric Keto
For the latest Newsletter please see: SMA Newsletter January 2015.

"Check out what SMA Post Docs are up to!"
 
April 1, 2015 Astronomy Photo of the Day: 4/1/15 — G0.253+0.016
"To determine whether the cloud contained clumps of denser gas, called dense cores, the team used the Submillimeter Array (SMA), a collection of eight radio telescopes on top of Mauna Kea in Hawaii."
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Press Release: www.fromquarkstoquasars.com
 
March 30, 2015 As Stars Form, Magnetic Fields Influence Regions Big and Small
Stars form when gravity pulls together material within giant clouds of gas and dust. But gravity isn't the only force at work. Both turbulence and magnetic fields battle gravity, either by stirring things up or by channeling and restricting gas flows, respectively. New research focusing on magnetic fields shows that they influence star formation on a variety of scales, from hundreds of light-years down to a fraction of a light-year.
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March 23, 2015 Colliding Stars Explain Enigmatic Seventeenth Century Explosion New observations made with APEX and other telescopes reveal that the star that European astronomers saw appear in the sky in 1670 was not a nova, but a much rarer, violent breed of stellar collision. 
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Press Release: www.science20.com
March 19, 2015 More than a million stars are forming in a mysterious dusty gas cloud in a nearby galaxy
article published www.phys.org
"The star cluster is buried within a supernebula in a dwarf galaxy known as NGC 5253, in the constellation Centaurus. The cluster has one billion times the luminosity of our sun, but is invisible in ordinary light, hidden by its own hot gases."  
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