NASA/IPAC EXTRAGALACTIC DATABASE
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NED object is NGC 1218; Reference is 1981ApJ...247L..57J
FIG 1. VLA map of the nuclei of (a) NGC1218 at 6 cm. Contour levels are at
-5, 5, 10, 20, 40, and 80 per cent of maximum, except for NGC1218 which has no
-2.5 nor 2.5 per cent contours. NGC4374 and NGC7728 have -1.25 and 1.25 per
cent contours added. The maximum flux per beam area is 0.350 Jy. The crosses
indicate the approximate positions of the optical nuclei, taken from Condon
and Dressel (1978). The optical position for NGC4374 is from Haynes and Sramek
(1975). The length of each cross corresponds to the estimated 1 {sigma} error
in the optical position.
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