Gaseous disks of spiral galaxies: Arms and rings

E. Liverts, E. Griv, M. Gedalin, D. Eichler, C. Yuan

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An improved linear stability theory of small-amplitude oscillations of a self-gravitating, infinitesimally thin gaseous disk of spiral galaxies has been developed. It was shown that in the differentially rotating disks for nonaxisymmetric perturbations Toomre's modified hydrodynamical simulations to test the validity of the modified local criterion.
Original languageEnglish GB
Pages (from-to)131-134
JournalAstronomical & Astrophysical Transactions
Issue number1
StatePublished - 1 Jun 2001


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