The 1404+286: A non-ideal calibrator for VLBI observations

Details The 1404+286: A non-ideal calibrator for VLBI observations The 1404+286: A non-ideal calibrator for VLBI observations

Aug 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993stin...9424521z&link_type=abstract

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Astronomy and Astrophysics

Astronomy

Astronomical Maps, Calibrating, Radio Jets (Astronomy), Radio Sources (Astronomy), Seyfert Galaxies, Very Long Base Interferometry, Data Reduction, Flux Density

Scientific paper

The radio source 1404+286 was observed with global VLBI arrays at 5 and 1.67 GHz in 1990.88 and 1991.45, respectively. High quality maps are presented in this paper, and show the source to be resolved at both frequencies with a core-jet like structure extending about 6 mas in position angle about -145 deg. The jet direction is similar in both maps. 1404+286 has often been used in the past as a flux density calibrator or a phase referencing source. The results show that this source is not an ideal calibrator on VLBI scales.

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