Astronomy and Astrophysics – Astrophysics
Scientific paper
2003-12-08
Astronomy and Astrophysics
Astrophysics
submitted to A&A, high resolution figures available from arp@mpa-garching.mpg.de
Scientific paper
NGC 613 (AM 0132-294) is a multi armed spiral with an active nucleus. Radio emission is aligned along the narrow inner bar of the spiral and appears to include inner and outer pairs of radio sources which define a line of ejection from this nucleus. Four high redshift quasars from the 2dF survey fall further out along this same line. The redshifts of these four, plus two others in this general direction, are close to the peak values in the periodic redshift distribution of quasars. In separation, redshifts and other properties there is an almost exact duplicate of NGC 613 in the pair of z ~ 2 quasars paired across the radio ejecting, barred galaxy NGC 936.NGC 941, a companion to NGC 936, has a quasar apparently connected to it by a radio bridge which shows structure at high resolution.One of the pair across NGC 936, a strong Parks quasar, is also accurately aligned with another strong Parks quasar further away. Possible relationships between other quasars and low redshift galaxies in a broader region around NGC 936 are discussed.
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