Astronomy and Astrophysics – Astrophysics
Scientific paper
Feb 1994
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994a%26as..103..365b&link_type=abstract
Astronomy and Astrophysics Suppl. 103, 365-373 (1994)
Astronomy and Astrophysics
Astrophysics
2
Scientific paper
We present the results from a calibration programme for the European VLBI network (EVN). The suitability of some radio sources as amplitude calibrators for the EVN is investigated. The influence of some station-dependent factors, the use of different correlators and recording systems on the results are also examined. The a-priori calibration at each network telescope has been assessed. We find that the station a-priori calibration could be greatly improved and that calibrator sources should be included in each full track VLBI observation. The suitability of some sources as calibrators, with particular emphasis on the radio source OQ208, is also discussed.
Bondi Marco
Mantovani Fabio
Sherwood William
Tzioumis Anastasios
Venturi Tiziana
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