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Table 4

Percentage of population A, B, C, and D planetary systems that experienced catastrophic events.

Nominal setup

Pop. A Pop. B
No catastrophic events 82.5% 49%
Ejections or scatterings only 8.6% 20.6%
Collisionsp–p only 6.1% 15.2%
Close approach to the binary 0.8% 0.2%
Multiple catastrophic events 2% 15%

Resonant setup

Pop. C Pop. D

No catastrophic events 65.6% 0%
Ejections or scatterings only 11.2% 39.2%
Collisionsp–p only 7% 4.8%
Close approach to the binary 0% 0%
Multiple catastrophic events 16.2% 56%

Notes. Population A multiple catastrophic events (2%) arise from 1.8% of ejections or scatterings plus collisionsp–p, 0.1% of ejections or scatterings plus close approach to the binary and 0.1% of ejections or scatterings plus collisionsp–p plus close approach to the binary; population B multiple catastrophic events (15%) arise from: 5.4% of ejections or scatterings plus collisionsp–p, 7.4% of ejections or scatterings plus close approach to the binary, 0.4% of collisionsp–p plus close approach to the binary and 1.8% of ejections or scatterings plus collisionsp–p plus close approach to the binary; population C multiple catastrophic events (16.2%) arise from 4.6% of ejections or scatterings plus collisionsp–p, 7.8% of ejections or scatterings plus close approach to the binary, 0.2% of collisionsp–p plus close approach to the binary and 3.6% of ejections or scatterings plus collisionsp–p plus close approach to the binary; population D multiple catastrophic events (56%) arise from 38.4% of ejections or scatterings plus collisionsp–p, 11% of ejections or scatterings plus close approach to the binary and 6.6% of ejections or scatterings plus collisionsp–p plus close approach to the binary.

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