Open Access
Table 1
Comparison of the SMC samples’ number of sources and mean astrometry between the proper motion selection (MC21) and the NNs.
| SMC sample | N | Nvlos |  |
σϖ |  |
 |
 |
 |
|---|---|---|---|---|---|---|---|---|
| Proper motion selection | 1720 856 | 4014 | −0.0029 | 0.323 | 0.731 | 0.370 | −1.226 | 0.297 |
| NN complete | 2 172 427 | 4195 | −0.0013 | 0.417 | 0.706 | 0.580 | −1.221 | 0.558 |
| NN optimal | 1979 603 | 3335 | −0.0083 | 0.381 | 0.696 | 0.485 | −1.218 | 0.463 |
| NN truncated-optimal | 1 265 824 | 3335 | −0.0018 | 0.254 | 0.700 | 0.383 | −1.225 | 0.349 |
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