Left: Deprojected H image of NGC 4062
with Inverse Fourier m=2 contours.
Right: Model with trailing and leading waves.
(The H image is part of the Ohio State University Bright Spiral
Galaxy Survey, supported by grants from the U.S. National Science Foundation, supplied by Jay A. Frogel and Paul B. Eskridge)
"The detection of spiral arm modulation in the stellar disk of an
optically flocculent and an optically grand design galaxy"
Puerari I., Block D.L., Elmegreen B.G., Frogel J.A.,
Eskridge P.B., A&A 359, 932 (2000)
Gzipped Post-script
PDF
"Formation and maintenance of spiral structure"
Athanassoula, E., in Morphological and Physical Classification
of Galaxies, G. Longo et al. (eds.), 127 (1992)
Gzipped Post-script
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