Implications and Applications of Kinematic Galaxy Scaling Relations
Figure 5
FM using measured distances. A comparison of the FMs obtained using different distance estimators. The sample is divided into pressure supported (a) and rotationally supported (b). Furthermore, color and shape codes distinguish galaxy morphologies (blue squares for late type, red circles for early type). The -axis is log in kpc, and the -axis is , where is in km sec−1, is in sq. pc, and is in solar units. is obtained by calibrating to the sample of surface brightness fluctuation distances (SBF) for the pressure supported galaxies. The line is the 1 : 1 expectation, not a fit to the data (adopted directly from Figure 7 of Zaritsky et al. [32]).
