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Table 1
List of the main surveys used for this study.
| IR surveys | Wavelength | FWHM |
| (μm) | (″) | |
|
|
||
| 2MASS J,H,Ks | 1.25, 1.65, 2.16 | ≥2.5 |
| UKIDSS J,H,K | 1.25, 1.63, 2.20 | ≤1 |
| VISTA J,H,Ks | 1.25, 1.65, 2.15 | ≤1 |
| Spitzer-IRAC | 3.6, 4.5, 5.8, 8.0 | ≤2 |
| WISE | 3.4, 4.6, 11, 22 | 6.1, 6.4, 6.5, 12.0 |
| Spitzer-MIPS | 24 | 6 |
| Hi-GAL | 70, 160, 250, 350, 500 | 8.5, 12.5, 18, 25, 36 |
|
|
||
| Radio surveys | Wavelength | FWHM |
| (cm) | (″) | |
|
|
||
| NVSS | 21 | 45 |
| SUMSS | 35 | 45 × 45cosecδ |
| MAGPIS | 20 | 6 |
| CORNISH | 6 | 1.5 |
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