Astronomy and Astrophysics – Astrophysics
Scientific paper
Jan 1998
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998a%26a...329..504s&link_type=abstract
Astronomy and Astrophysics, v.329, p.504-510 (1998)
Astronomy and Astrophysics
Astrophysics
9
Stars, Individual: Cygnus X-3, X-Ray Binaries, Interferometry: Vlbi, Quasars, Galaxies: Jets, Interstellar Matter
Scientific paper
We report on high sensitivity VLBI observations of Cygnus X-3 at 6 cm wavelength on four consecutive days during the large radio flaring event in January, 1991. Both total flux density evolution and visibility amplitudes indicate the presence of a complex jet. The superposition of flares however excludes unique modelling of the source structure and evolution. The minimum consistent interpretation requires at least five components of scattering size 16 milliarc-seconds (mas), resulting in a linear structure with a position angle of 180(o) with an uncertainty estimate of +/- 10(o) .
Davis Raymond Jr.
Foley A. R.
Ghigo Frank D.
Johnston Ken J.
Mantovani Fabio
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