Table 5: Parameters representing the best-fit model.
Parameter Value

CSPN

Model atmosphere Rauch (2003)

$T_{\rm eff}$ 159 000 K

Log g 7.0

Luminosity 690 $L_{\hbox{$_\odot$ }}$

Nebula

Const. density $N_{\rm H} = 7.86\times 10^3 ~\rm cm^{-3}$

Abundance H He C N

12.000

O Ne Mg Si

8.892

S Cl Ar K

7.000

Ca Fe

4.079

Size $4\hbox{$.\!\!^{\prime\prime}$ }3$ (diameter)

Distance 2.55 kpc

Inner radius 5.00e15 cm ( ${\sim}0.00162$ pc)

Outer radius 8.201e16 cm ( ${\sim}0.02658$ pc)

Filling factor 1

**Table 5:** Parameters representing the best-fit model.
Parameter	Value
CSPN
Model atmosphere	Rauch (2003)
$T_{\rm eff}$	159 000 K
Log g	7.0
Luminosity	690 $L_{\hbox{$_\odot$ }}$

Nebula
Const. density	$N_{\rm H} = 7.86\times 10^3 ~\rm cm^{-3}$
Abundance	H He C N
	12.000
	O Ne Mg Si
	8.892
	S Cl Ar K
	7.000
	Ca Fe
	4.079
Size	$4\hbox{$.\!\!^{\prime\prime}$ }3$ (diameter)
Distance	2.55 kpc
Inner radius	5.00e15 cm ( ${\sim}0.00162$ pc)
Outer radius	8.201e16 cm ( ${\sim}0.02658$ pc)
Filling factor	1

Source LaTeX | All tables | In the text

	1 Introduction
	2 The spectrum of NGC 6886
	3 Radius and luminosity of the central star
	4 Chemical composition of NGC 6886 from the simplified analysis
	5 Model
	6 Discussion
	7 Nebular abundances
	8 Evolutionary state
	9 Conclusion
	References