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Table 6

Total number of single stars of each variability type, and the percentage of each that falls below each relative parallax error limit: 500%, 100%, 50%, 20%, 5%, and 1%.

Variability type Total σϖ/ϖ< 5 σϖ/ϖ< 1 σϖ/ϖ< 0.5 σϖ/ϖ< 0.2 σϖ/ϖ< 0.05 σϖ/ϖ< 0.01

Non-variables 5.1 × 108 88 74 55 27 7.7 1.4
Emission 3.3 × 106 99 97 92 62 16 2.4
Flaring 2.1 × 105 99 99 98 88 33 4.6
δ Scuti 3.3 × 106 90 78 61 35 13 3.5
Semi-regular 3.6 × 106 92 82 68 40 14 1.4
Gammador 6.0 × 105 91 80 63 35 13 3.2
RR Lyrae AB-type 2.4 × 104 67 45 25 7.9 1.0 0.1
Mira 2.3 × 105 92 83 70 44 16 1.2
ZZ Ceti 1.9 × 104 100 100 99 94 33 4.1
ACV 3.5 × 104 91 80 64 39 15 3.8
RR Lyrae C-type 5.6 × 103 68 45 25 7.8 0.9 0.1
ρ Ap 3.0 × 103 92 82 65 38 14 3.8
Cepheid 1.8 × 103 95 88 78 59 30 0.1

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