The sequence of spiral arm classes: Observational signatures of persistent spiral density waves in grand-design galaxies

Bittner, A. ; Gadotti, D. A. ; Elmegreen, B. G. ; Athanassoula, E. ; Elmegreen, D. M. ; Bosma, A. ; Muñoz-Mateos, J.

Proceedings of the International Astronomical Union, 2019-06, Vol.14 (S353), p.140-143 [Periódico revisado por pares]

Cambridge: Cambridge University Press

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