VLBI observations of SS 433 at 3.6 and 13 centimeters

Details VLBI observations of SS 433 at 3.6 and 13 centimeters VLBI observations of SS 433 at 3.6 and 13 centimeters

Jan 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981apj...243..589w&link_type=abstract

Astrophysical Journal, Part 1, vol. 243, Jan. 15, 1981, p. 589-596.

Astronomy and Astrophysics

Astronomy

18

Radio Sources (Astronomy), Supernova Remnants, Very Long Base Interferometry, Brightness Temperature, Centimeter Waves, Position (Location)

Scientific paper

SS 433 was detected and partially resolved at 2290 MHz on baselines with fringe spacings of 1.4, 0.1, and 0.003 arcsec. It was also detected at 8420 MHz on a baseline with a fringe spacing of 0.009 arcsec. Simple models of the source, consistent with the limited data, have elongated structures greater than 0.1 arcsec in size with position angles in 1979 May that were within about 10 deg of the position angle of the apparent bulges of the supernova remnant W50. The data also imply that the source contains a core less than 0.002 arcsec in size with a brightness temperature greater than 10 to the 9th K. The bright core and aligned structures that seem to be present in SS 433 and W50 resemble the structures seen in powerful extragalactic radio sources which are many orders of magnitude larger.

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