NED object is NGC 2798; Reference is 1987A&AS...70..517H

   Figure 1. - Contour maps of nuclei that show a more complex structure of
 their radio continuum emission. The parameters relevant to these maps are
 given in table II. The optical positions are indicated by a cross. NGC 2798
 Contours plotted (mJy per beam) -0.3, 0.3, 0.6, 1.2, 2.4, 3.6, 4.8, 6.0 HPBW
 (arcsec) 1.3x1.0 (4*) r.m.s. noise (mJy per beam) 0.15.