Table 1
Properties used for classification
| Name | Abbreviation in text | Description | Unit | |
|---|---|---|---|---|
| 1 | Angular separation | rij | Angular distance between eROSITA and Gaia source | arcsec |
| 2 | Local sky density | η | Local sky density of eligible Gaia sources | arcmin−2 |
| 3 | Positional uncertainty | σ | Uncertainty in position for eROSITA source | arcsec |
| 4 | Optical flux | Fg | Optical flux in Gaia band | erg s−1 cm−2 |
| 5 | X-ray flux | Fx | X-ray flux for eROSITA source | erg s−1 cm−2 |
| 6 | Gaia color | BP-RP | Color of Gaia source | mag |
| 7 | Distance | d | Distance of Gaia source (from parallax) | pc |
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