Table 1.
Overview of the surveys.
| Survey | Area | Bands | Depth | Seeing | Pxl scale |
|---|---|---|---|---|---|
| [Sq. Deg.] | [mag] | [″] | [″] | ||
| OGLE-IV(a) | 3000 | VI | I ≤ 20 | 1.25–1.35 | 0.26 |
| MagLiteS(b) | 1200 | gr | g > 23.0 | ≤1.5 | 0.263 |
| SMASH(c) | 480 | ugriz | g ≃ 24.8 | 1.13 | 0.263 |
| STEP | 53 | griHα | g ≃ 25.0 | 1.19 | 0.21 |
| VMC(d) | 184 | YJKs | Y ≃ 21.1 | 1.03 | 0.339 |
| YMCA | 110 | gi | g ≃ 24.8 | 1.13 | 0.21 |
Notes. The different columns show the name of the survey, the total portion of the sky observed in square degrees, the filters adopted, the 5σ limiting magnitude, the median seeing and the resolution of the pixel. To preserve the readability of the table, we indicated the depth and the seeing only for the deepest filter. (a)Udalski et al. (2015)(b)Drlica-Wagner et al. (2016); (c)(https://datalab.noirlab.edu/smash/smash.php); (d)Cioni et al. (2011).
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