**Table 5:** Physical parameters derived from the best fit Sedov model results.
SNR	$n_{\rm e}$	$n_{\rm H}$	$t_{\rm i}$	$t_{\rm dyn}$	Mass	E₀
	(10⁶ m^-3)		(10³ yrs)	(10³ yrs)	( $M_{\odot}$ )	(10⁴⁴ J)
DEM S 32	0.05	0.05	15	6	43	0.9
IKT 2	0.45	0.44	>34	5.4	47	0.3
HFPK 419	0.26	0.25	>50	8.5	64	0.6
IKT 6-outer	0.21	0.17	18	14	180	0.8
IKT 16	0.05	0.04	3.5	7.5	124	3.4
IKT 18	0.13	0.11	23	11	196	1.2
IKT 22	2.03	1.68	1.4	2.7	84	0.8
IKT 23-outer	0.19	0.16	30	19	424	1.8

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