Extragalactic Sources with Asymmetric Radio Structure II . Further Observations

نویسندگان

  • T. J. Cornwell
  • D. J. Saikia
  • P. Shastri
  • L. Feretti
  • G. Giovannini
  • P. Parma
  • C. J. Salter
چکیده

We present VLA Α-array observations at λ20, 6 and 2 cm and B-array observations at λ20 and 6 cm of the quasar B2 1320 + 299, which has a very unusual radio structure. In addition to a component, A, coincident with the quasar, there are two lobes of radio emission, Β and C, on the same side of A. These are located at distances of 25 and 50 arcsec respectively from A. The present observations show that A has a flat-spectrum component coincident with the quasar and a weak outer component at a distance of 4 arcsec along PA 100°. The morphology of Β resembles a head-tail type of structure with its tail towards the north-east. The magnetic field lines in component Β appear to follow the bend in the tail. Component C exhibits some extension towards the north-west. We discuss the possible nature of B2 1320 + 299 and suggest that while A appears to be an independent source, the relation between Β and C, if they are associated at all, is unclear. Deep optical observations are essential to help clarify the situation.

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تاریخ انتشار 1985