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Table 2.
Comparison of the PMa and NSS astrometric detection rate on the common HIPPARCOS star sample.
| Number | Fraction | |
|---|---|---|
| Objects eligible to NSS & PMa | 14 748 | 100.0% |
| PMa S/N < 3 and absent from NSS | 2254 | 15.3% |
| PMa S/N > 3 and absent from NSS | 7320 | 49.6% |
| PMa S/N < 3 and present in NSS | 950 | 6.4% |
| PMa S/N > 3 and present in NSS | 4224 | 28.6% |
| Total non-single stars (PMa or NSS) | 12 494 | 100.0% |
| Non-single stars detected from PMa | 11 544 | 92.4% |
| Non-single stars present in NSS | 5174 | 41.4% |
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