Table 7.
Variability type completeness and contamination estimates of the SOS tables with respect to available cross-matched reference catalogues. For the classification of variability types without specific studies, we refer to Rimoldini et al. (2023).
| Group | Variability type | Catalogue (and region) | Completeness | Contamination |
|---|---|---|---|---|
| AGN | agn | Gaia-CRF3 | 51% | ≤5% |
| AGN | agn | SDSS-DR16Q (a) | 47% | ≤5% |
| Cepheids | Classical Cepheids | OGLE IV (MW) | > 86% | < 2% |
| Cepheids | All Cepheids | OGLE IV (LMC & SMC) | ∼90% | < 1% |
| Eclipsing binaries | eclipsing_binary | OGLE-IV (LMC/SMC/Bulge) | 33/45/19% | ∼5% |
| LPV | long_period_variable | ASAS-SN and OGLE III-LPV (b) | 79–83% | 0.7–2% |
| Microlensing | microlensing | OGLE-IV (Bulge, Disk) | 30–80% | < 1% |
| Rotation modulation | rotation_modulation | ZTF | 0.4 % (c) | 6% |
| Rotation modulation | rotation_modulation | ASAS-SN | 0.4% | 14% |
| RR Lyrae stars | rrlyr | OGLE-IV (LMC) | 83% | < 1.8% |
| RR Lyrae stars | rrlyr | OGLE-IV (SMC) | 94% | < 8% |
| RR Lyrae stars | rrlyr | OGLE-IV (Bulge-up) | 79% | < 0.15% |
| RR Lyrae stars | rrlyr | OGLE-IV (Bulge-down) | 82% | – |
Notes. The surveys used as references are SDSS (Lyke et al. 2020), OGLE (Udalski et al. 1992), ASAS-SN (Kochanek et al. 2017), and ZTF (Graham et al. 2019).
All OGLE-III regions are considered, but filtered by amplitude and specific sky positions. Contamination rate derived from ASAS-SN only.
The completeness is strongly dependent on the G magnitude and on the ecliptic latitude (see the discussion in Distefano et al. 2023 for further details).
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