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Table 3:

Excitation temperatures inferred from the $\tau _{{\rm HCO}^{+} (1-2)}/\tau _{{\rm HCO}^{+} (0-1)}$ ratio.
Source $T_{\rm ex}$(K) errorsa (K)
    + -
G10.62-0.38 3.0 1.4 0.5
G34.3+0.1 3.0 8.4 0.8
W49N 2.7 0.8 0.4
W51 2.9 1.1 0.5

Notes. (a) The errors are derived from the results of numerical calculation which do not take into account the lower limit of 2.73 K set by the cosmic microwave background.

Source LaTeX | All tables | In the text

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