The detection of spiral arm modulation in the mass distribution of an optically flocculent galaxy
Ivanio Puerari, David L. Block, Bruce G. Elmegreen, Jay A. Frogel, Paul B. Eskridge
Abstract
Spiral arm modulation in NGC 4062 (an optical flocculent) is detected for the first time; the Fourier spectra of NGC 4062 and NGC 5248 (a classic grand design in optical images) are almost identical.
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