EDP Sciences
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Erratum
This article is an erratum for: [this article]

Issue
A&A
Volume 590, June 2016
Article Number C1
Number of page(s) 2
Section Interstellar and circumstellar matter
DOI https://doi.org/10.1051/0004-6361/201322725e
Published online 02 May 2016

In Fig. 10 of Feng et al. (2015), the dashed lines are incorrectly printed as the solid lines. These dashed lines show the opacity-corrected estimates of the molecular column densities and abundances towards eight positions in Orion-KL. See the correct figure next page.

thumbnail Fig. 10

Molecular column densities (panels in the left column) and abundances (panels in the right column) towards 8 positions in Orion-KL. The molecular abundances of each species with respect to H2 are converted from C18O, assuming a constant NC18O/NH2 ~ 1.79 × 10-7 ratio. Column densities and abundances with the uncertainties are measured as mentioned in Sect. 4.4 and Tables A.5A.7. Coloured solid lines show the differentiation for each isotopologue calculated from optically thin assumption (arrows highlight the upper limits), while dashed lines show the differentiation calculated with optical depth correction from Eq. (10). For abundant molecules (e.g., HNCO, SO, SO2, CH3OH) which we have not measured their line optical depths, their densities could be underestimated by a factor of 710.

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© ESO, 2016

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