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Table 1
Photometric bands and number of sources used in our study.
| Survey | Band | Wavelength (μm) | # of sources |
|
|
|||
| GALEX | FUV | 0.152 | 892 |
| GALEX | NUV | 0.227 | 1146 |
| SDSS | u | 0.359 | 1087 |
| SDSS | g | 0.463 | 1089 |
| SDSS | r | 0.614 | 1088 |
| SDSS | i | 0.747 | 1088 |
| SDSS | z | 0.893 | 1089 |
| 2MASS/UKIRT | J | 1.24/1.25 | 926 |
| 2MASS/UKIRT | H | 1.66/1.63 | 926 |
| 2MASS/UKIRT | K | 2.16/2.2 | 934 |
| WISE | W1 | 3.37 | 1146 |
| WISE | W2 | 4.61 | 1146 |
| WISE | W3 | 12.08 | 1141 |
| WISE | W4 | 22.19 | 1120 |
Notes. Column 1: survey name; Col. 2: bandpass name; Col. 3: effective wavelength of each passband; Col. 4: number of galaxies with flux measurements in each band. See Sect. 2 for the requirement of keeping a galaxy in the final sample.
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