Fig. 8.

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Total galaxy velocity as a function of, assumed, line-of-sight galaxy speed. The result from this work is shown in purple, which is compared to the galaxy speed for NGC 2276 derived by Rasmussen et al. (2006) (in red). We show both our ‘best’ estimates of the total velocity assuming Δvr = 420 km s−1 (Rasmussen et al. 2006) (data points) as well as the 1σ band for a range of assumed Δvr (shaded regions). The two data points are artificially offset from Δvr = 420 km s−1 to improve readability. One, two, and three times the group velocity dispersion (Finoguenov et al. 2006) are marked, assuming that .
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