The complex chemistry of hot cores in Sgr B2(N): influence of cosmic-ray ionization and thermal history

Open Access

Table 3

Grid of chemical models.

ζ^H₂ (s⁻¹)	T_min (K)

	10	15	20
1.3 × 10⁻¹⁷	T10-CR1	T15-CR1	T20-CR1
1.3 × 10⁻¹⁶	T10-CR10	T15-CR10	T20-CR10
6.5 × 10⁻¹⁶	T10-CR50	T15-CR50	T20-CR50
1.3 × 10⁻¹⁵	T10-CR100	T15-CR100	T20-CR100
6.5 × 10⁻¹⁵	T10-CR500	T15-CR500	T20-CR500
1.3 × 10⁻¹⁴	T10-CR1000	T15-CR1000	T20-CR1000

Notes. Our standard model, with T_min = 15 K and ζ^H₂ = 1.3 × 10⁻¹⁷ s⁻¹, is highlighted in boldface. It will be referred to as N2-T15-CR1, N3-T15-CR1, N4-T15-CR1, and N5-T15-CR1 for Sgr B2(N2), N3, N4, and N5, respectively.

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