Table 3
Numbers of detectable binaries for LMC models with more orbital shrinkage.
Model | Tobs (yr) | BH–BH | BH–NS | BH–WD | NS–NS | NS–WD | WD–WD | Total |
---|---|---|---|---|---|---|---|---|
Fiducial | 4 | 0.026 | 0.358 | 1.570 | 0.395 | 3.965 | 4.878 | 11.192 |
Fiducial | 10 | 0.045 | 0.528 | 2.014 | 0.591 | 5.190 | 9.384 | 17.752 |
A (10%, 10×) | 4 | 0.225 | 9.169 | 58.193 | 11.109 | 144.78 | 269.84 | 493.31 |
A (10%, 10×) | 10 | 0.244 | 10.901 | 75.287 | 15.558 | 183.09 | 526.68 | 811.77 |
B (20%, 10×) | 4 | 0.483 | 17.815 | 114.88 | 21.604 | 286.76 | 535.98 | 977.52 |
B (20%, 10×) | 10 | 0.503 | 20.973 | 148.80 | 30.448 | 361.86 | 1043.9 | 1606.5 |
C (100%, 3×) | 4 | 0.476 | 5.477 | 28.868 | 5.967 | 84.176 | 108.08 | 233.04 |
C (100%, 3×) | 10 | 0.653 | 7.655 | 37.270 | 7.189 | 98.546 | 170.92 | 322.23 |
Notes. Average numbers of detectable binaries for 4 and 10 years of LISA observations from 1000 simulations of the LMC, including our fiducial model and several simple models of a population with more orbital shrinkage from mass transfer and CEE. The standard deviation from Poisson uncertainty is 0.032 for all values. Binaries are considered detectable if their S/N > 7.
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