Astronomy & Astrophysics

Table 16: Pearson correlation coefficients for the abundances for all objects.
Mass CO HCO⁺ CS SO HCN HNC CN HC₃N

Mass $\ldots$ -0.74 -0.51 -0.46 -0.18 -0.11 -0.40 -0.71 -0.71

CO -0.74 $\ldots$ 0.79 0.69 0.35 0.46 0.52 0.69 0.59

HCO⁺ -0.51 0.79 $\ldots$ 0.80 0.48 0.44 0.70 0.69 0.48

CS -0.46 0.69 0.80 $\ldots$ 0.79 0.29 0.48 0.31 0.39

SO -0.18 0.35 0.48 0.79 $\ldots$ -0.05 0.14 -0.27 -0.03

HCN -0.11 0.46 0.44 0.29 -0.05 $\ldots$ 0.63 0.55 0.45

HNC -0.40 0.52 0.70 0.48 0.14 0.63 $\ldots$ 0.86 0.72

CN -0.71 0.69 0.69 0.31 -0.27 0.55 0.86 $\ldots$ 0.83

HC₃N -0.71 0.59 0.48 0.39 -0.03 0.45 0.72 0.83 $\ldots$

**Table 16:** Pearson correlation coefficients for the abundances for all objects.
	Mass	CO	HCO⁺	CS	SO	HCN	HNC	CN	HC₃N
Mass	$\ldots$	-0.74	-0.51	-0.46	-0.18	-0.11	-0.40	-0.71	-0.71
CO	-0.74	$\ldots$	0.79	0.69	0.35	0.46	0.52	0.69	0.59
HCO⁺	-0.51	0.79	$\ldots$	0.80	0.48	0.44	0.70	0.69	0.48
CS	-0.46	0.69	0.80	$\ldots$	0.79	0.29	0.48	0.31	0.39
SO	-0.18	0.35	0.48	0.79	$\ldots$	-0.05	0.14	-0.27	-0.03
HCN	-0.11	0.46	0.44	0.29	-0.05	$\ldots$	0.63	0.55	0.45
HNC	-0.40	0.52	0.70	0.48	0.14	0.63	$\ldots$	0.86	0.72
CN	-0.71	0.69	0.69	0.31	-0.27	0.55	0.86	$\ldots$	0.83
HC₃N	-0.71	0.59	0.48	0.39	-0.03	0.45	0.72	0.83	$\ldots$

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