**Table 2:** Mean physical properties of simulated galaxies in pairs in the 3D catalog.
	Total Pair Sample		Merging Pairs^a		Interacting Pairs^c
	Passive	Active	Passive	Active	Passive	Active
Age^d	$10.54 \pm 0.01$	$7.65\pm 0.02$	$9.25\pm 0.02$	$7.5 \pm 0.05$	$11.90 \pm 0.01$	$7.80 \pm 0.10$
$\beta$	$0.36 \pm 0.04$	$3.50\pm 0.60$	$0.36 \pm 0.05$	3.98 $\pm 0.07$	$0.36 \pm 0.07$	$2.09 \pm 0.29$
Gas	$16 \pm 7$	27 $\pm 7$	$20 \pm 3$	$30 \pm 4$	$10 \pm 3$	$21\pm 4$
$V_{\rm cen}$	$103 \pm 7$	76 $\pm 7$	$120 \pm 9$	$90 \pm 8$	$86 \pm 11$	$62 \pm 15$

^a Galaxy pairs with spatial separations $r < 100\ {\rm kpc} \ h^{-1}$
^b Galaxy pairs with spatial separations $r < 30 \ {\rm kpc} \ h^{-1}$ .
^c Galaxy pairs with spatial separations $30 \ {\rm kpc} \ h^{-1} < r < 100 \ {{\rm kpc} \ h^{-1}}$ .
^d Mean stellar age given in Gyr h^-1.
^e Mean star formation enhancement.
^f Percentage of the leftover gas in galactic systems.
^g Central circular velocity in ${\rm km \ s^{-1}}$ .

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