Chemical study of intermediate-mass (IM) Class 0 protostars - CO depletion and N2H+ deuteration

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Table 2:

Description of the observations.
Line	Freq. (MHz)	HPBW	$\eta_{\rm MB}$	Tel
C¹⁸O 1 $\rightarrow$ 0	109 782.2	22''	0.75	IRAM
C¹⁸O 2 $\rightarrow$ 1	219 560.3	11''	0.55	IRAM
C¹⁷O 1 $\rightarrow$ 0	112 359.3	22''	0.74	IRAM
C¹⁷O 2 $\rightarrow$ 1	224 714.4	11''	0.54	IRAM
N₂H⁺ 1 $\rightarrow$ 0	93 173.2	26''	0.77	IRAM
N₂H⁺ 4 $\rightarrow$ 3	372 672.5	13''	0.63	JCMT
N₂D⁺ 2 $\rightarrow$ 1	154 217.1	16''	0.67	IRAM
N₂D⁺ 3 $\rightarrow$ 2	231 321.7	11''	0.52	IRAM

Source LaTeX | All tables | In the text

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