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Table 2

χ2-test results calculated for the initial and final theoretical period distributions and those observed by Raghavan et al. (2010).

Orbital decay N-body dynamics

complete period range
χ2 Q(χ2 | ν) χ2 Q(χ2 | ν)
Initial 71.5 2.3 × 10-11 23.6 0.009
Final 36.4 7.2 × 10-5 22.4 0.013

Adopted period ranges
χ2 Q(χ2 | ν) χ2 Q(χ2 | ν)
Initial 45.7 1.1 × 10-8 6.6 0.171
Final 3.2 0.67 0.9 0.92

Notes. The first four column block shows the results of tests of the complete Raghavan et al. (2010) period distribution ranging from 10-1 to 1010 d. The second four column block shows tests of the left part of the Raghavan et al. (2010) period distribution (10-1−105   d) for the orbital decay distributions and the right part of the Raghavan et al. (2010) period distribution (10-5−1010   d).

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