A line confusion limited millimeter survey of Orion KL I. Sulfur carbon chains - I. Sulfur carbon chains

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Table 5:

Column densities - OCS.
Species	Extended ridge	Compact ridge	Plateau	Hot core
	$N \times 10^{15}$ (cm^-2)	N $\times$ 10¹⁵ (cm^-2)	$N \times 10^{15}$ (cm^-2)	N $\times$ 10¹⁵ (cm^-2)
OCS	2.0 $\pm$ 0.5	3.0 $\pm$ 0.8	7.5 $\pm$ 1.9	15 $\pm$ 4
OCS assuming ³²S/³⁴S = 20	2.0 $\pm$ 0.5	14 $\pm$ 4	10 $\pm$ 3	60 $\pm$ 15
OCS assuming ¹²C/¹³C = 45	2.7 $\pm$ 0.5	18 $\pm$ 4	13.5 $\pm$ 3	45 $\pm$ 9
OCS (average)	2.4 $\pm$ 0.5	16 $\pm$ 4	11.8 $\pm$ 3	53 $\pm$ 10
OC³⁴S	0.15 $\pm$ 0.03	0.70 $\pm$ 0.18	0.50 $\pm$ 0.13	3.0 $\pm$ 0.8
OC³³S	0.050 $\pm$ 0.025	0.090 $\pm$ 0.045	0.10 $\pm$ 0.05	0.30 $\pm$ 0.15
O¹³CS	0.060 $\pm$ 0.015	0.40 $\pm$ 0.10	0.30 $\pm$ 0.08	1.0 $\pm$ 0.3
¹⁸OCS	0.010 $\pm$ 0.005	0.070 $\pm$ 0.035	0.030 $\pm$ 0.015	0.10 $\pm$ 0.05
O¹³C³⁴S	$\la$ 0.010	$\la$ 0.050	$\la$ 0.050	$\la$ 0.070
¹⁷OCS	$\la$ 0.005	$\la$ 0.020	$\la$ 0.010	$\la$ 0.020
OC³⁶S	$\la$ 0.005	$\la$ 0.030	$\la$ 0.020	$\la$ 0.030
OCS $\nu _2$ = 1	...	...	...	1.5 $\pm$ 0.4
OCS $\nu _3$ = 1	...	...	...	0.15 $\pm$ 0.07

Notes. Column densities for the different OCS isotopologues and OCS vibrationally excited derived from our model of the different Orion's components (see text, Sect. 5.1).

Source LaTeX | All tables | In the text

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