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Table 4

Percentage of detected binaries in our search in comparison with other ground-based surveys and recent results from the Kepler space mission (the last row).

Authors Field Period of obs. Method of searches Total number of stars Percentage of ecl/ell

Paczyński et al. (2006) δ <  + 28° 5–8 years Fourier 17 000 000 0.065%
Weldrake & Bayliss (2008) 0.751 deg2, Lup 53 nights AoV 110 372 0.172%
Pietrukowicz et al. (2009) 0.052 deg2, Car   4 nights by eye & AoV 50 897 0.291%
Miller et al. (2010) 0.25 deg2, Nor 58 nights LSA 335 592 0.301%
This work 0.052 deg2, Cen   2 nights by eye 84 734 0.284%

Prša et al. (2011) 105 deg2, Cyg-Lyr   44 days BLS 156 097 1.204%

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