VLBI observations at 2.3 GHz of the compact galaxy 1934-638

Details VLBI observations at 2.3 GHz of the compact galaxy 1934-638 VLBI observations at 2.3 GHz of the compact galaxy 1934-638

Jul 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989aj.....98...36t&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 98, July 1989, p. 36-43. Research supported by the University of Sydney and Rothmans

Astronomy and Astrophysics

Astronomy

29

Charge Coupled Devices, Compact Galaxies, Radio Sources (Astronomy), Red Shift, Very Long Base Interferometry, Australia, Flux Density, Republic Of South Africa, Southern Hemisphere

Scientific paper

VLBI observations of the strong radio source 1934-638 show it to be a binary with a component separation of 42.0 + or - 0.2 mas, a position angle of 90.5 + or - 1 deg, and component sizes of about 2.5 mas. The results imply the presence of an additional elongated component aligned with, and between, the compact double components. The sources's almost equal compact double structure, peaked spectrum, low variability, small polarization, and particle-dominated radio lobes suggests that it belongs to the class of symmetric compact double sources identified by Phillips and Mutel (1980, 1981, 1982).

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