The thermal emission of Centaurs and trans-Neptunian objects at millimeter wavelengths from ALMA observations

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Table 7

Emissivity correlation searches and statistics.

Variables	N_values	ρ ^a	p ^b

ϵ_r vs. D	18	0.293	0.238 (1.2σ)
ϵ_r vs. p_v	18	0.245	0.326 (1.0σ)
ϵ_r vs. η	18	–0.066	0.794 (0.3σ)
ϵ_r vs. T_SS	18	0.009	0.971 (0.0σ)
ϵ_r vs. color	18	–0.287	0.249 (1.2σ)
ϵ_r vs. f_water^c	10	0.459	0.182 (1.4σ)

Wavelength	N_values	Median^a	Mean ± stdev

0.87 mm	6	0.71	0.72 ± 0.08
1.3 mm	12	0.70	0.73 ± 0.15
Both	18	0.70	0.73 ± 0.13

Notes.

^(a)

ρ: Spearman rank correlation coefficient;

^(b)

p: significance p-value of correlation;

^(c)

H₂O ice content, as defined by Brown et al. (2012).

Notes.

^(a)

Error bars encompass central 68.2% of values.

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