Open Access

This article has an erratum: [https://doi.org/10.1051/0004-6361/201935428e]


Fig. 7

image

Pearson correlation coefficients with 95% confidence interval (left) and P-value (right) for various pairs of COMs for the CALYPSO source sample. The P-value is the probability of observing a correlation plot under the null hypothesis of no correlation. These parameters were derived from the plots shown in Figs. H.1H.6. The colors indicate the variables used to evaluate the degree of correlation between molecules: column density (black), column density multiplied by the solid angle Ω of the COM emission and divided by either the 1.3 mm continuum peak flux density or the 1.3 mm continuum flux density integrated over the size of the COM emission, Sc1 (red), column density multiplied by the solid angle of the COM emission and divided by the 3 mm continuum peak flux density (blue), column density multiplied by Ω∕Sc1 and divided by the envelope mass (orange), column density multiplied by Ω∕Sc1 and divided by the internal luminosity (green), column density multiplied by Ω∕Sc1 and divided by the ratio of internal luminosity to envelope mass (magenta).

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