Table 1
Number of sources of a given type or the number for which a given data product is available in Gaia DR2.
| Data product or source type | Number of sources |
|---|---|
| Total | 1 692 919 135 |
| 5-parameter astrometry | 1 331 909 727 |
| 2-parameter astrometry | 361 009 408 |
| ICRF3 prototype sources | 2820 |
| Gaia-CRF2 sources | 556 869 |
| G-band | 1 692 919 135 |
| GBP-band | 1 381 964 755 |
| GRP-band | 1 383 551 713 |
| Radial velocity | 7 224 631 |
| Classified as variable | 550 737 |
| Variable type estimated | 363 969 |
| Detailed characterisation of light curve | 390 529 |
| Effective temperature Teff | 161 497 595 |
| Extinction AG | 87 733 672 |
| Colour excess E(GBP − GRP) | 87 733 672 |
| Radius | 76 956 778 |
| Luminosity | 76 956 778 |
| SSO epoch astrometry and photometry | 14 099 |
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