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Table 4

Absolute and relative luminosities of CO and H2O for the three physical components in each source.

Component IRAS2A HH 46 DK Cha
for CO 10-3 L % 10-3 L % 10-3 L %

passive 0.3 7 0.5 7 0.1 2
UV 0.8 20 3.1 45 4.0 78
C-shocks 3.0 73 3.3 48 1.0 20

total 4.1 100 6.9 100 5.1 100

Component IRAS2A HH 46 DK Cha
for H2O 10-3 L % 10-3 L % 10-3 L %

passive 0.02 0.02 0.53 0.38 0.05 0.17
UV 0.001 0.001 0.04 0.03 3(−5) 1(−4)
C-shocks 100  >99.9 140 99.6 30 99.8

total 100 100 140 100 30 100

Notes. The tabulated values are for the adopted source inclinations of 90, 53 and 0° (Table 2). They do not represent the total line cooling budget, which would require integrating over all inclinations from edge-on to pole-on.

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