Fig. 6
Specific frequency (upper panels) and globular cluster red fraction (lower panels) as a function of stellar mass and the density parameter of Tully (1988). Red symbols represent our sample, while blue squares are taken from the sample of Cho et al. (2012). Black open triangles are the results from the ACSVCS (Peng et al. 2008), while the green filled circles are the five additional IEs described in the text.
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