Astronomy and Astrophysics – Astrophysics
Scientific paper
Jun 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986japa....7..119c&link_type=abstract
Journal of Astrophysics and Astronomy (ISSN 0250-6335), vol. 7, June 1986, p. 119-129.
Astronomy and Astrophysics
Astrophysics
5
Astronomical Maps, Astronomical Spectroscopy, Extragalactic Radio Sources, Quasars, Asymmetry, Centimeter Waves, Linear Polarization, Radiant Flux Density, Spectral Energy Distribution, Stellar Structure
Scientific paper
VLA A-array observations at 20, 6, and 2 cm and B-array observations at 20 and 6 cm of the quasar B2 1320 + 299, which has a very unusual radio structure are presented. In addition to a component, A, coincident with the quasar, there are two lobes of radio emission, B and C, on the same side of A. These are located at distances of approximately equal to 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 approximately equal to 4 arcsec along PA approximately equal to 100. The morphology of B resembles a head-tail type of structure with its tail towards the north-east. The magnetic field lines in component B appear to follow the bend in the tail. Component C exhibits some extension towards to the north-west. The possible nature of B2 1320 + 299 is discussed and it is suggested that while A appears to be an independent source, the relation between B and C, if they are associated at all, is unclear. Deep optical observations are essential to help clarify the situation.
Cornwell Tim J.
Feretti Luigina
Giovannini Gabriele
Parma Paola
Saikia D. J.
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