Open Access
Table 1.
Surveys used in this study.
| Survey | # Matches | Spectral coverage |
|---|---|---|
| 4FGL | – | 100 MeV–1 TeV |
| eROSITA | 65 | 0.2–10 keV |
| QUAIA | 77 | 380–1080 nm |
| SDSS | 30 | u, g, r, i, z |
| ALMACAL | 21 | 95–350 GHz |
| AT20G | 32 | 4, 8, 20 GHz |
| RACS | 165 | 887.5–2367.5 MHz |
| FLASH | 165 | 711.5–999.5 MHz |
| GLEAM-X | 97 | 72–231 MHz |
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