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We present a near infrared 2D Fourier analysis of the interacting pair of galaxies NGC 5394/95 to get insight on its morphology. Our analysis shows that NGC 5394 is a H2ß galaxy in the DP classification (Block and Puerari 1999). NGC 5395, in contrast, displays a very complex structure which needs a number of Fourier coefficients to be explained. A tightly wound m = 1 (DP class H1α) is the main structure,...
We study the properties of interstellar medium (ISM) substructure and turbulence in hydrodynamic [adaptive mesh refinement (AMR)] galaxy simulations with resolutions up to 0.8 pc and 5 × 103 M⊙. We analyse the power spectrum of the density distribution, and various components of the velocity field. We show that the disc thickness is about the average Jeans scalelength, and is mainly regulated by gravitational...
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