Accueil > Séminaires d’Astrophysique > VLBI and e-VLBI in Australia and the pathway to the SKA

 

VLBI and e-VLBI in Australia and the pathway to the SKA

Steven Tingay (Curtin University of Technology, Perth, Australie)

Par Stephane Charpinet - 5/09/2007

 

Séminaires d’Astrophysique

de l’Observatoire Midi-Pyrénées


Séminaire de

Steven TINGAY

 (Curtin University of Technology, Perth, Australie)

Jeudi 6 Décembre 2007 à 11h

CESR


VLBI and e-VLBI in Australia and the pathway to the SKA

Over the last 5 years in Australia a significant upgrade of VLBI facilities has been undertaken, to improve the bandwidth and sensitivity of the array. This has been acheived with the development of disk-based recording devices which interface to a software correlator running on a modest supercomputer. The capabilities of this new system will be described : wide-bandwidth VLBI ; ultra-high time and frequency resolution correlation ; wide-field of view imaging ; special pulsar VLBI modes etc. In particular, the system, in conjunction with new high-speed data connections between telescopes, allows a so-called e-VLBI capability. I will discuss science results from the new VLBI and e-VLBI facilities. With the construction of Australia’s SKA demonstration telescope, e-VLBI will be expanded to provide a long-baseline component of the demonstrator, showing that Australia (and New Zealand) can support the >3000 km baselines specifiied for the SKA, in real-time and at high bandwidth.

 

 

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Laboratoire Astrophysique de Toulouse - Tarbes (UMR5572)

CNRS (Midi-Pyrénées)

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