Table 5: Mass estimations for NGC 5953/54.
Galaxy NGC 5953 NGC 5954
$R_{\rm sym}$ in kpc 1.3 3.3
$V(R_{ \rm sym})$ in km s-1 180 112
R25/4 in kpc 1.7 1.6
V(R25/4) in km s-1 190 108
Mass within $R_{\rm sym}$ ($M_\odot$) 9.4 $\times 10^9$ 9.3 $\times 10^9$
Mass within R25/4 ($M_\odot$) 1.4 $\times 10^{10}$ 4.1 $\times 10^9$


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