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Title:
Discovering the microJy Radio VLBI Sky via "Full-beam" Self-calibration
Authors:
Garrett, M. A.; Wrobel, J. M.; Morganti, R.
Publication:
Proceedings of the 7th Symposium of the European VLBI Network on New Developments in VLBI Science and Technology. Held in Toledo (Spain) on October 12-15 2004. Edited by R. Bachiller, F. Colomer, J.-F.; Desmurs, and P. de Vicente. (c) Observatorio Astronomico Nacional of Spain, 2004., p.35-38
Publication Date:
00/2004
Origin:
AUTHOR
Bibliographic Code:
2004evn..conf...35G

Abstract

We demonstrate that at 1.4 GHz the combined response of sources detected serendipitously in deep, wide-field VLBI images is sufficient to permit self-calibration techniques to be employed. This technique of ``full-beam'' VLBI self-calibration permits coherent VLBI observations to be successfully conducted in any random direction on the sky, thereby enabling very faint radio sources to be detected. Via full-beam self-calibration, Global VLBI observations can equal and indeed surpass the level of sensitivity achieved by connected arrays. This technique will enable large-scale VLBI surveys of the faint radio source population to be conducted, in addition to targeted observations of faint sources of special interest (e.g. GRBs, SNe, SNR and low-luminosity AGN). (astro-ph/0501011)
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