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TOPIC: Express Production Real-time e-VLBI Service project


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Global e-VLBI observation
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Astronomers simulate real-time telescope as big as the world to study peculiar active galaxy

Using a perfectly orchestrated world-wide network of radio telescopes, astronomers have produced a high-resolution map of an Active Galactic Nucleus (AGN) belonging to an unknown class of gamma-ray sources. The unusual source and the groundbreaking technique used to produce the image are detailed in a letter published today in Astronomy & Astrophysics.
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EXPReS
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EXPReS hailed as "extraordinarily successful" to SKA design

The European Commission concluded their final review of EXPReS (Express Production Real-time e-VLBI Service), hailing the project as "extraordinarily successful" and encouraging the team to "explore any opportunity for further development".
The 3.5 year project, which concluded in August, established and improved network connectivity from some of the world's most sensitive radio telescopes to the correlator at the Joint Institute for VLBI in Europe (JIVE), in which ASTRON's Westerbork Synthesis Radio telescope participates. The project also improved computing capabilities of the correlator itself, making real-time, electronic VLBI a regular and reliable astronomy technique available to the global radio astronomy community. This new service makes it easier for scientists to identify transient astronomical activity and conduct follow-on observations.
In addition to the improvement in e-VLBI facilities, the EC also concluded that EXPReS will "inform the design of future facilities such as the SKA" (Square Kilometre Array).

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e-VLBI
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Tasmanian astronomers are networking a telescope with others online as part of a global space exercise.
The University of Tasmania's Mount Pleasant radio telescope will be one of 17 simultaneously mapping three quasars, which are billions of light years away.
The internet is being used in the project to network the telescopes.

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Radio-astronomers form telescope the size of Earth
Radio telescopes around the world will join forces this week to carry out a unique observation of three quasars, distant galaxies powered by super-massive black holes at their cores.
The nearly continuous 33-hour observation will be conducted on Jan 15-16 as part of a demonstration at the opening event for the International Year of Astronomy 2009 (IYA 2009) in Paris.
17 telescopes in Asia, Australia, Europe, North America and South America, including several operated from The University of Manchester's Jodrell Bank Observatory, will take part in the mammoth project.

"The unique aspect of these observations is that telescopes located all around the globe will be brought together to work in real-time as a single gigantic instrument" - Arpad Szomoru, Head of Technical Operations and R&D at the Joint Institute for VLBI in Europe (JIVE).

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Posts: 131433
Date:
Express Production Real-time e-VLBI Service project
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Telescopes from the four corners of the earth have been successfully linked up to create a real-time virtual telescope, enabling astronomers from the EU-funded Express Production Real-time e-VLBI Service (EXPReS) project to simultaneously observe galaxies in the distant universe.
The virtual telescope, which is almost 11,000 kilometres in diameter, connects telescopes from Germany, Italy, the Netherlands, Sweden, Chile, Puerto Rico and South Africa. Using the telescope, astronomers were able to simultaneously observe quasar 3C454.3, a bright fringe-finder source, and other targets.

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