Astronomy and Astrophysics – Astronomy
Scientific paper
Nov 1979
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979a%26a....79l..26s&link_type=abstract
Astronomy and Astrophysics, vol. 79, no. 3, Nov. 1979, p. L26, L27.
Astronomy and Astrophysics
Astronomy
9
Extragalactic Radio Sources, Radio Astronomy, Very Long Base Interferometry, Flux Density
Scientific paper
Observations at 6 cm of SS433 using a 3-station VLBI network which had linear resolutions of between 1 and 3 x 10 to the 15th cm at the estimated distance of the object indicate an angular structure of approximately 10 milli-arcseconds or 10 to the 15th cm at 3.5 kpc, and there is a weak indication that the structure is not circularly symmetric. It is suggested that SS433 could be a mini extended double radio source such as ScoX-1. The elements of the interferometer system were the 1.6 km Westerbork synthesis radio telescope used as an adding interferometer, the Effelsberg 100 m telescope, and the Onsala 25 m telescope. The polarization was linear in PA 0 deg on the sky, and the recording of the signals was carried out with the standard MK II VLBI system with a bandwidth of 2 MHz.
Breugel Wil van
Hummel Evi
Norman Colin A.
Schilizzi Richard T.
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