Table 5: Parameters derived from the fit by the slab and disk model. The parameters for the CO bandhead fitting are derived in Bik & Thi (2004). Accuracy in the temperature and column density estimates is limited by systematic instead of statistical errors (see text for a fuller discussion).
Model Species i dv $T_{{\rm gas}}$ N $R_{{\rm min}}$ $R_{{\rm max}}$

( $\hbox{$^\circ$ }$ ) (km s^-1) (K) (cm^-2) (AU) (AU)

Disk CO 27 5 1662 3.9 $\times$ 10²¹ 0.2 3.6

Slab H₂O n. a. 25 1580 $\pm$ 510 (2.9 $\pm$ 0.4) $\times$ 10¹⁸ n. a. n. a.

Disk H₂O 27 5 1550 $\pm$ 510 (2.1 $\pm$ 0.4) $\times$ 10¹⁸ 2.0 $\pm$ 1 4.0 $\pm$ 1

**Table 5:** Parameters derived from the fit by the slab and disk model. The parameters for the CO bandhead fitting are derived in Bik & Thi (2004). Accuracy in the temperature and column density estimates is limited by systematic instead of statistical errors (see text for a fuller discussion).
Model	Species	i	dv	$T_{{\rm gas}}$	N	$R_{{\rm min}}$	$R_{{\rm max}}$
		( $\hbox{$^\circ$ }$ )	(km s^-1)	(K)	(cm^-2)	(AU)	(AU)
Disk	CO	27	5	1662	3.9 $\times$ 10²¹	0.2	3.6
Slab	H₂O	n. a.	25	1580 $\pm$ 510	(2.9 $\pm$ 0.4) $\times$ 10¹⁸	n. a.	n. a.
Disk	H₂O	27	5	1550 $\pm$ 510	(2.1 $\pm$ 0.4) $\times$ 10¹⁸	2.0 $\pm$ 1	4.0 $\pm$ 1

Source LaTeX | All tables | In the text

	1 Introduction
	2 Observations
	3 Chemical modeling
	4 Results of the chemical model calculations and discussion
	5 Conclusion and future prospects
	References