Strong irradiation of protostellar cores in Corona Australis

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Table 5

Temperatures calculated by the non-LTE code RADEX.

n	T in N ridge	T in S ridge
[cm^-3]	[K]	[K]

10⁵	–^a	–^a
10⁶	^b	^b
10⁷	^b	^b
10⁸

Notes. The given temperature corresponds to the lowest-χ² fit, and the limits correspond to values where χ² < 2.3. The column densities are shown in Fig. 13.

^(a)

τ > 10 for the H₂CO 3₀₃–2₀₂ line for all T where median χ² < 2.3.

^(b)

The higher temperature limit corresponds to the limit where at least one of the lines starts to mase (τ < 0).

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