Open Access
Table 1.
Sample selection discussed in Sect. 3.
| Selection criteria | Number of selected sources | % of the initial sample |
|---|---|---|
| Catalogue of physical properties (Salim et al. 2016, 2018) | ||
| GSWLC-X2 | 659 229 | 100.0% |
| Objects with AFUV estimation | 650 597 | 98.69% |
| Main Galaxy Survey flag_msg=1 | 610 518 | 92.61% |
| SED fitting flag = 0 (all SDSS photometry, no broad-line spectrum) | 603 615 | 91.56% |
| At least one GALEX detection (FUV or NUV) | 404 830 | 61.41% |
| Medium and deep UV exposure time (GSWLC-A and D) | 252 445 | 38.29% |
| LTIR estimated based on the WISE 22 μm | 82 116 | 12.45% |
| REDCHISQ< 5 (goodness of the fit, following Salim et al. 2016, 2018) | 78 725 | 11.94% |
| Photometric catalogue (Alam et al. 2015) | ||
| Cross-matching with SDSSAlam et al. (2015) catalogue | 78 725 | 11.94% |
| Cleaning based on the SDSS flags (Sect. 3.2) | 44 047 | 6.68% |
| 2D photometric decompositions catalogue (Meert et al. 2015) | ||
| Cross-matching with Meert et al. (2015) catalogue | 29 593 | 4.49% |
| The axis ratio (b/a) of the total fit > 0 | 29 487 | 4.47% |
| Selection based on Sect. 3.4 | ||
| Cut for the AFUVs err < 0.25 [mag] | 15 004 | 2.28% |
| Redshift range 0.025–0.1 | 9837 | 1.49% |
| Cut between 1st and the 99th percentile of the AFUV | 9641 | 1.46% |
| Main sequence galaxies | 7986 | 1.21% |
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