Table 1
Statistics of the cross-matches of GDR3 to external catalogues.
| Catalogue | Sources | Unique matches | Filtered sources | Retained sources | References | |||
|---|---|---|---|---|---|---|---|---|
| |b| ⩽ 20° | |b| > 20° | b| ⩽ 20° | |b| > 20° | b| ⩽ 20° | |b| > 20° | |||
| SDSS DR16Q | 750 414 | 2159 | 451 336 | 1851 | 386 161 | 53 | 4043 | Lyke et al. (2020) |
| LAMOST DR10 | 83 376 | 2556 | 56 847 | 2005 | 54 743 | 155 | 609 | Jin et al. (2023) |
| LQAC-6 | 1 149 138 | 73 460 | 1 072 290 | 73 452 | 1 070 332 | – | 262 | Souchay et al. (2024) |
| Quaia | 1 295 502 | 153 416 | 1 142 086 | 153 256 | 1 141 270 | 39 425 | 128 280 | Storey-Fisher et al. (2024) |
| GPQ | 100 153 | 100 104 | — | 100 087 | — | 20 468 | — | Fu et al. (2021, 2022) |
| CatNorth | 1 545 514 | 193 002 | 1 352 512 | 190 206 | 1 329 186 | 21 162 | 106 157 | Fu et al. (2024) |
| KiDS DR4 | 157 813 | — | 74 478 | — | 56 074 | — | 2237 | Nakoneczny et al. (2021) |
| Wide Binary | 1 256 400 | 605 346 | 651 022 | 241 318 | 270 127 | 241 318 | 270 127 | El-Badry et al. (2021) |
| VLBI | 108 | 75 | 27 | 70 | 25 | 70 | 25 | Xu et al. (2019) |
| HST | 111 | 46 | 56 | 34 | 41 | 34 | 41 | Groenewegen (2021) |
| Red Giant | 12 500 | 6821 | 7704 | 6456 | 7237 | 6456 | 7237 | Khan et al. (2023) |
| RR Lyrae | 401 | 77 | 324 | 76 | 324 | 76 | 324 | Muraveva et al. (2018) |
| Red Clump | 137 448 | 96 813 | 37 666 | 91 929 | 36 508 | 91 929 | 36 508 | Huang et al. (2020) |
| EW Binary | 113 821 | 83 126 | 26 386 | 75 322 | 21 319 | 75 322 | 21 319 | Ren et al. (2021) |
| RGB | 44 784 | 37 199 | 7410 | 36 514 | 7220 | 36 514 | 7220 | Hogg et al. (2019) |
Notes. The external catalogues are listed in Col. 1. Column 2 shows the total number of sources in each catalogue. Columns 3–4 provide the number of unique matches in GDR3 for each catalogue. Columns 5–6 present the number of matched sources satisfying Eqs. (1)–(3) for quasars, stars, and binaries, respectively. Columns 7–8 show the number of sources retained after filtering. Column 9 provides references for the catalogues. A dash (–) indicates that the number of sources is zero.
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