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A nuclear grand-design spiral within the normal disc spiral of NGC 5248
(1999-01)
We report the discovery of trailing grand-design nuclear spiral structure in the spiral galaxy NGC 5248. Two tightly-wound red spiral arms, with widths less than 1 arcsec (~ 75 pc), emanate at 1 arcsec outside the quiescent ...
Circumnuclear Star-forming Regions in barred Galaxies
(1999)
We present high-resolution Hα velocity fields and rotation curves of the circum nuclear star-forming regions of five barred galaxies. Two of the five objects show substantially smaller initial rises than the three others; ...