Open Access

Table 6

Line luminosity estimates.

Line Luminosity (K km s−1 pc2) Line Luminosity (K km s−1 pc2)
California

12CO(1−0) 35 200 CS(2−1) 78
13CO(1−0) 4220 HNC(1−0) 68
C18O(1−0) 226 HCO+(1−0) 173
HCN(1−0) 210 N2H+(1−0) ≥8

Perseus

12CO(1−0) 6900 12CO(2−1) 5850
13CO(1−0) 1160 13CO(2−1) 938
C18O(1−0) 83 C18O(2−1) 61
HCN(1−0) 77 HNC(1−0) 30
CS(2−1) 61 HCO+(1−0) 82
N2H+(1−0) ≥9

Orion A

12CO(1−0) 28 200 12CO(2−1) 20100
13CO(1−0) 4070 13CO(2−1) 4150
C18O(1−0) 234 C18O(2−1) 316
HCN(1−0) 524 HNC(1−0) 210
CS(2−1) 236 HCO+(1−0) 544
N2H+(1−0) ≥ 36

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