NASA/IPAC EXTRAGALACTIC DATABASE
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   NED object is NGC 4258; Reference is 1985A&AS...60..293H

    Fig. 1g. NGC4258 Contours plotted (mJy per beam) -1, -0.5, 0.5, 1 to 9 in
 steps of 1 -- HPBW (arcsec) 14 -- r.m.s. noise (mJy per beam) 0.2 -- kpc per
 arcmin 2.0.

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