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Fig. 18

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The luminosity in the 13CO v = 1−0 R(13) line and the CO v = 2−1 R(7) line versus bolometric luminosity. The 13CO and v = 2−1 lines trace emission in the narrow and broad component, respectively. Upper limits were calculated assuming a FWHM of 30 km s-1 in the narrow component and 100 km s-1 in the broad component.

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