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Scaling Relations of Spiral Galaxies

  • Authors: Stéphane Courteau, Aaron A. Dutton, Frank C. van den Bosch, Lauren A. MacArthur, Avishai Dekel, Daniel H. McIntosh, and Daniel A. Dale

Courteau et al. 2007 The Astrophysical Journal 671 203.

  • Provider: AAS Journals

Caption: Fig. 2.

Correlation of galaxy observables (disk central surface brightness [﹩\mu _{0}\equiv -2.5\mathrm{log}\,I_{0}﹩], concentration ﹩C_{72}﹩, ﹩V-I﹩ color, luminosity ﹩L_{I}﹩, rotation speed V, and disk scale length ﹩R_{d,I}﹩) with morphological type. The point types represent each sample: blue squares, Shellflow; red stars, SCII; green circles, MAT; and black triangles, UMa. There is a weak dependence of all variables on Hubble type, with an apparent flattening of the trends for Sc galaxies and later.

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