Dust temperature and CO → H2 conversion factor variations in the SFR-M∗ plane

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Volume 548 (December 2012)

A&A, 548 (2012) A22

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Table 4

Parameter values of the α_CO − T_dust, α_CO − f₆₀/f₁₀₀ and α_CO-Δlog (SSFR)_MS correlations

Model		α_CO − T_dust	α_CO − f₆₀/f₁₀₀	α_CO-Δlog(SSFR)_MS

Spearman’s factor		−0.81 ± 0.17	−0.81 ± 0.17	−0.58 ± 0.26

Constant^a		5.2	5.2	6.2
	a	0.54 ± 0.06	0.54 ± 0.06	0.54 ± 0.06

Step^b		3.1	3.4	3.4
	a	1.11 ± 0.18	0.93 ± 0.24	1.03 ± 0.15
	b	0.37 ± 0.09	0.32 ± 0.14	0.38 ± 0.08
	c	28.7 ± 2.7	0.51 ± 0.09	0.18 ± 0.09

Linear^c		3.5	3.6	4.2
	a	2.21 ± 0.53	1.61 ± 0.29	0.86 ± 0.09
	b	−0.049 ± 0.017	−1.74 ± 0.49	−0.57 ± 0.14

Notes.

^(a)

log (α_CO) = a.

^(b)

log (α_CO) = a if x < c and log(α_CO) = b if x > c, where x ≡ T_dust, f₆₀/f₁₀₀ or Δlog (SSFR)_MS.

^(a)

log (α_CO) = a + b×x, where x ≡ T_dust, f₆₀/f₁₀₀ or Δlog (SSFR)_MS.

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