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Table 15

Parameters representing the final model for Tc1.

Parameter Value

Ionizing source
Model atmosphere WMbasic
T eff 34 700 K
Log g 3.30
Log z –0.3
Luminosity 1480
Nebula
Density profile constant density 2850/cc
Abundance HHeCN
12.00010.9168.6747.590
ONeMgSi
8.4317.4815.55.778
PSClAr
5.36.2034.9636.478
Size 6.275′′ (radius)
Distance 1.80 kpc
Dust grains Graphites of single size 1.0   μm;
inner radius 1.077e16 cm
outer radius 1.690e17 cm
Filling factor 1.0

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