FIR colours and SEDs of nearby galaxies observed with Herschel

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Table 1:

Median colours with 1 $\sigma$ standard deviation in the colour distribution for different morphological classes.
Type	f60/f100	f250/f350	f350/f500	f25/f250	f100/f250	f60/f500
E-S0a¹	0.37 $\pm$ 0.06	2.60 $\pm$ 0.38	3.13 $\pm$ 0.39	0.09 $\pm$ 0.01	1.82 $\pm$ 0.73	5.69 $\pm$ 2.96
Sa-Sb²	0.34 $\pm$ 0.12	2.50 $\pm$ 0.24	2.86 $\pm$ 0.22	0.08 $\pm$ 0.09	1.10 $\pm$ 0.42	3.14 $\pm$ 2.66
Sbc-Scd	0.43 $\pm$ 0.10	2.29 $\pm$ 0.40	2.70 $\pm$ 0.44	0.08 $\pm$ 0.04	1.21 $\pm$ 0.45	3.66 $\pm$ 2.60
Sd-Irr	0.54 $\pm$ 0.23	2.54 $\pm$ 0.35	2.97 $\pm$ 0.35	0.24 $\pm$ 0.24	1.84 $\pm$ 0.63	10.30 $\pm$ 9.07

Notes. ⁽¹⁾ Excluding the synchrotron-dominated M 84 and M 87; ⁽²⁾ excluding the starburst NGC 4491.