Expres

Expres

EXPReS: A Production Astronomy e-VLBI Infrastructure

EXPReS was a three-year project to create a distributed astronomical instrument of continental and intercontinental dimensions using e-VLBI.


e-VLBI, or real-time, electronic Very Long Baseline Interferometry, uses fibre optic networks to connect radio telescopes to a central data processor, a purpose-built supercomputer which correlates data from the telescopes in real-time. Transferring data electronically and correlating it in real-time eliminates weeks of waiting from the current VLBI method of storing data on disks and shipping them to the correlator for processing. This allows researchers to take advantage of Targets of Opportunity for conducting follow-on observations of transient events such as supernova explosions and gamma-ray bursts. e-VLBI also allows for high precision tracking of space probes.

Scheduled start date: 2006-03-01
Scheduled finish date: 2009-08-31
Status: completed
 

Contact:
PCSS
Dominik Stokłosa
ul. Dąbrowskiego 79a, 60-529 Poznań
0-61 858 2055
News
NEXPReS
The European Commission has awarded the Novel Explorations Pushing Robust e-VLBI Services project (NEXPReS) funds to advance data transfer, buffering, storage and distributed computing technologies. The improvements are expected to significantly enhance electronic Very Long Baseline Interferometry (e-VLBI) services offered by the European VLBI Network (EVN) to the entire radio astronomy community and, it is hoped, to benefit science research infrastructure across fields. This work is part of the EVN's "e-EVN Programme" of e-VLBI developments, officially recognised as a SKA Pathfinder Technology for its anticipated impact on the Square Kilometre Array (SKA), as well as the recently inaugurated LOw Frequency Array (LOFAR).
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