Model	SNR	$�_{obs} (%)$
inverse square profile	SN 1987A	91.92
inverse square profile	SN 1006	94.34
power profile	SN 1987A	91.92
power profile	SN 1006	93.56
exponential profile	SN 1987A	92.45
exponential profile	SN 1006	94.26
toroidal profile	SN 1987A	86.28
toroidal profile	SN 1006	94.41