A spatially resolved study of photoelectric heating and [C II] cooling in the LMC - Comparison with dust emission as seen by SAGE

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Volume 494 / No 2 (February I 2009)

A&A, 494 2 (2009) 647-661

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Table 2:

Contribution of [C II] from various regions in the LMC.
Region	${L_{\rm [C {\sc ii}]}/L_{[C {\sc ii}],\rm total}}$	${\rm Area/Area_{\rm total}}$	${L_{\rm TIR}/L_{\rm TIR,total}}$	${L_{\rm [C {\sc ii}]}/L_{160}}$	${L_{\rm [C {\sc ii}]}/L_{\rm [TIR]}^{a}}$	${L_{\rm [C {\sc ii}]}/L_{\rm [FIR]}^{b}}$
Diffuse regions	$51.8\pm0.1\%$	86%	59.0 $\pm$ 0.1%	0.032 $\pm$ 0.1%	0.40 $\pm$ 0.01%	0.80 $\pm$ 0.01%
SF regions	$48.2\pm0.1\%$	14%	41.0 $\pm$ 0.1%	0.063 $\pm$ 0.1%	0.55 $\pm$ 0.01%	1.10 $\pm$ 0.01%
30 Dor	$8.1\pm0.1\%$	0.8%	9.0 $\pm$ 0.1%	0.072 $\pm$ 0.1%	0.42 $\pm$ 0.01%	0.84 $\pm$ 0.01%
N11	$2.2\pm0.1\%$	0.7%	2.0 $\pm$ 0.1%	0.058 $\pm$ 0.1%	0.57 $\pm$ 0.01%	1.14 $\pm$ 0.03%
total LMC	$100\%$	$100\%$	$100\%$	0.042 $\pm$ 0.1%	0.46 $\pm$ 0.01%	0.92 $\pm$ 0.02%

^a Also referred to as the photoelectric efficiency (see Sect. 7.2 ). ^b FIR is defined using the IRAS bands (see Sect. 2.2). TIR assumes the factor of 2 increase from the FIR, as found by Hunter et al. (2001) and discussed in the text (Sect. 2.2). Due to the calibration uncertainties of the BICE map, all of these values have a systematic uncertainty of $\pm$ 30%. The uncertainties in the table reflect the random noise which is important for comparing the relative.

Source LaTeX | All tables | In the text

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