Extragalactic sources with asymmetric radio structure |
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Authors: | D. J. Saikia P. Shastri R. P. Sinha V. K. Kapahi G. Swarup |
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Affiliation: | (1) Radio Astronomy Centre, Tata Institute of Fundamental Research, Post Box 1234, 560012 Bangalore;(2) Systems and Applied Science Corporation, 5809 Annapolis Road, 20784 Hyattsville, MD, USA;(3) Radio Astronomy Centre, Tata Institute of Fundamental Research, Post Box 1234, 560012 Bangalore;(4) Radio Astronomy Centre, Tata Institute of Fundamental Research, Post Box 8, 643001 Udhagamandalam |
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Abstract: | We present total-intensity and linear-polarization observations with the Very Large Array (VLA) at λ6 and 2 cm of 17 sources, almost all of which were suspected to have extended emission only on one side of the nucleus. Five of them are still one-sided, three appear unresolved, while seven have radio lobes on both sides of the nucleus. The outer components in the double-lobed sources, however, have significantly different surface brightness or are very asymmetrically located with respect to the nucleus. |
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Keywords: | extragalactic radio sources asymmetric radio structure linear polarization |
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