Gaia Data Release 3
Open Access

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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