Some effects of galaxy structure and dynamics on the Fundamental Plane
We examine the effects on the Fundamental Plane (FP) of structural departures from an R^1/4 galaxy light profile. We also explore the use of spatial (i.e., volumetric) as well as projected galaxy parameters. We fit the Sersic R^1/n law to the V-band light profiles of 26 E/S0 Virgo galaxies, where n is a shape parameter that allows for structural differences amongst the profiles. The galaxy light profiles show a trend of systematic departures from a de Vaucouleurs R^1/4 law, in the sense that n...[Show more]
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