Table 2: Observed emission lines.
Line Frequency [GHz] HPBW ['']

N₂D⁺ 1-0 77.109 32

N₂H⁺ 1-0 93.173 27

C¹⁸O 1-0 109.782 22

N₂D⁺ 2-1 154.217 16

N₂D⁺ 3-2 231.322 11

HCO⁺ 3-2 267.558 10

**Table 2:** Observed emission lines.
Line	Frequency [GHz]	HPBW ['']
N₂D⁺ 1-0	77.109	32
N₂H⁺ 1-0	93.173	27
C¹⁸O 1-0	109.782	22
N₂D⁺ 2-1	154.217	16
N₂D⁺ 3-2	231.322	11
HCO⁺ 3-2	267.558	10

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