Table 1: Model parameters for AFGL 2591.
Model $L_{{\rm X}}$ (erg s^-1) $T{_{{\rm X}}}$ (K) $N{_{{\rm H,in}}}$ (cm^-2) $G_{{\rm0,in}}$

0 0 0 - 0

1 0 0 3.0E+22 10

2 1.0E+30 7.0E+07 3.0E+22 0

3 1.0E+31 7.0E+07 3.0E+22 0

4 1.0E+32 7.0E+07 3.0E+22 0

5 1.0E+32 1.0E+08 5.0E+22 0

6 8.0E+31 1.0E+08 3.0E+22 10

7 6.0E+31 3.0E+07 3.0E+22 10

**Table 1:** Model parameters for AFGL 2591.
Model	$L_{{\rm X}}$ (erg s^-1)	$T{_{{\rm X}}}$ (K)	$N{_{{\rm H,in}}}$ (cm^-2)	$G_{{\rm0,in}}$
0	0	0	-	0
1	0	0	3.0E+22	10
2	1.0E+30	7.0E+07	3.0E+22	0
3	1.0E+31	7.0E+07	3.0E+22	0
4	1.0E+32	7.0E+07	3.0E+22	0
5	1.0E+32	1.0E+08	5.0E+22	0
6	8.0E+31	1.0E+08	3.0E+22	10
7	6.0E+31	3.0E+07	3.0E+22	10

Source LaTeX | All tables | In the text

	1 Introduction
	2 Model
	3 X-ray induced chemistry
	4 Results and discussion
	5 X-ray tracers
	6 AFGL 2591 models
	7 Calculated emission lines
	8 Conclusion
	References
	Online Material
	Appendix A: Initial chemical abundances
	Appendix B: Electron recombination and charge transfer reactions
	Appendix C: Influence of $T{_{{\rm X}}}$ and $N{_{{\rm H,in}}}$
	Appendix D: Influence of an outer FUV field and cosmic rays
	Appendix E: Comparison to observations