First detections of H13CO+ and HC15N in the disk around HD 97048 - Evidence for a cold gas reservoir in the outer disk

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Table 3

Different models as described in Sect. 5 along with the parameters that are varied in each model.

Model			Gas in cavity	η_cavity	n(HCO⁺)	HCO⁺	H¹³CO⁺	HCO⁺

					n(H¹³CO⁺)			H¹³CO⁺
1	–	–	No	–	69	x	x	x
2	[0.9, 0.8,...,0.2]	1	No	–	69	x	x	x
3	0.2	1	Yes	[0.9, 0.8,...,0.2]	69	✓	x	x
4	0.2	2	Yes	0.2	34.5	✓	x	x
5	0.2 (<200 au)	2 (<200 au)	Yes	0.2	35 (<200 au)	✓	✓	✓
	0.2 (>200 au)	[2, 3,...,6](>200 au)			11.5 (>200 au)

Notes. The ticks and crosses denote if the model fits the specified observation.

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