Living life on the edge
Online proceedings of the 8th EVN Symposium 2006 - Exploring the Universe with the real-time VLBI
E. Lenc [1], M. Garrett [2], O. Wucknitz [2], J. Anderson [2], S. Tingay [1]
- Centre for Astrophysics & Supercomputing, Swinburne University of Technology, Australia
- Joint Institute for VLBI in Europe, The Netherlands
Abstract
We report on a recent 90 cm wide-field VLBI survey of two 3.1 sqdeg fields
using the VLBA, Westerbork and Jodrell Bank telescopes. In-beam calibration
was used to calibrate each field, the process was simplified by imaging the
calibrators in DIFMAP and transferring the calibration solutions to AIPS using
the newly developed DIFMAP task - cordump. We detected and imaged 13 out of
the 141 sources originally detected by the low resolution (54 arcsec) WENSS survey
of the same two fields. The sources were detected at 7-12 sigma levels above
the image noise, had total flux densities ranging between 85-1640 mJy and were
between 16 -58arcmin from the phase centre of each field. This is the first
systematic (and non- biased), deep, high resolution survey of the low
frequency radio sky. These initial results suggest that new instruments such
as LOFAR should detect many compact radio sources and that plans to extend
these arrays to baselines of several thousand kilometres are warranted.
This is the original poster. The proceedings version can be found here.
The full paper is available
here.
PoS (8thEVN) (2006) 079 (link to online journal)
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