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Where do galaxies end? Comparing measurement techniques of hydrodynamic-simulation galaxies’ integrated properties

Where do galaxies end? Comparing measurement techniques of hydrodynamic-simulation galaxies’ integrated properties

Using the suite of high-resolution zoom re-simulations of individual haloes by Martig et al., and the large-scale simulation \emph{MassiveBlack-II}, we examine the differences in measured galaxy properties from techniques with various aperture definitions of where galaxies end. We perform techniques popular in the literature and present a new technique of …