Carbon in different phases ([CII], [CI], and CO) in infrared dark clouds: Cloud formation signatures and carbon gas fractions

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This article has an erratum: [https://doi.org/10.1051/0004-6361/201424757e]

Table 4

Masses of carbon phases.

Phase	G11.11	G48.66	IRDC18223	IRDC18454³
	(M_⊙)	(M_⊙)	(M_⊙)	(M_⊙)

CO	0.81	0.30	1.84	13.4
[CI]	0.056	0.025	0.21	1.6
[CII]@50 K	< 0.012	0.12¹	0.54	14.8
[CII]@100 K	< 0.005	0.05¹	0.21	5.7
CO/[CI]/[CII] @50 K	14.5/1/ > 0.2	12/1/4.8	8.8/1/2.6	8.4/1/3.6²

Approx. area of emission (pc²)⁴	5.2	3.7	6.5	31.4

Notes.

⁽¹⁾

The main component between 31 and 37 km s^-1.

⁽²⁾

[CII] calculated at 100 K because of the energy input from the neighboring W43 region.

⁽³⁾

Only the 100 km s^-1 component is evaluated.

⁽⁴⁾

Based on the [CII] maps.

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