Chemistry in disks - IV. Benchmarking gas-grain chemical models with surface reactions

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Table 1

Physical models.

Model	T	n(H+2H₂)	Av	χ^a
	[K]	[cm^-3]	[mag]

TMC1	10	2(4)^b	10	χ₀
HOT CORE	100	2(7)	10	χ₀
DISK1	11.4	5.41(8)	37.1	428.3χ₀
DISK2	45.9	2.59(7)	1.94	393.2χ₀
DISK3	55.2	3.67(6)	0.22	353.5χ₀

Notes.

^(a)

FUV, 6 < hν < 13.6 eV, (Draine 1978).

^(b)

A(-B) means A × 10^−B.

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