Table 1
Total number and percentage of simulated WD+MS binary systems obtained after applying the successive selection criteria.
| Model 1 | ||||||
| He | C/O – O/Ne | Total | Filtered (%) | Cumulative (%) | ||
|
|
||||||
| Unfiltered sample | 8344 (36%) | 14 834 (64%) | 23 178 | – | 100 | |
| Color cuts | 980 (57%) | 740 (43%) | 1720 | 7.42 | 7.42 | |
| Spectroscopic completeness | 35 (70%) | 15 (30%) | 50 | 2.91 | 0.21 | |
| Intrinsic binary bias | 13 (65%) | 7 (35%) | 20 | 40.00 | 0.86 | |
| Period filter | 8 (67%) | 4 (33%) | 12 | 60.00 | 0.05 | |
|
|
||||||
| Model 2 | ||||||
| He | C/O – O/Ne | Total | Filtered (%) | Cumulative (%) | ||
|
|
||||||
| Unfiltered sample | 12 499 (30%) | 28 890 (70%) | 41 389 | – | 100 | |
| Color cuts | 1478 (52%) | 1365 (48%) | 2843 | 6.87 | 6.87 | |
| Spectroscopic completeness | 66 (62%) | 41 (38%) | 107 | 3.76 | 0.26 | |
| Intrinsic binary bias | 22 (58%) | 16 (42%) | 38 | 35.51 | 0.09 | |
| Period filter | 14 (61%) | 9 (39%) | 23 | 60.52 | 0.06 | |
|
|
||||||
| Model 3 | ||||||
| He | C/O – O/Ne | Total | Filtered (%) | Cumulative (%) | ||
|
|
||||||
| Unfiltered sample | 17 674 (25%) | 53 023 (75%) | 70 697 | – | 100 | |
| Color cuts | 2596 (47%) | 2927 (53%) | 5523 | 7.81 | 7.81 | |
| Spectroscopic completeness | 126 (56%) | 99 (44%) | 225 | 4.03 | 0.32 | |
| Intrinsic binary bias | 40 (55%) | 33 (45%) | 73 | 32.44 | 0.10 | |
| Period filter | 28 (65%) | 15 (35%) | 43 | 58.90 | 0.06 | |
Notes. For Model 1 we adopted αCE = 1.0, λ = 0.5, and n(q) = 1, for Model 2 the set of theoretical parameters is αCE = 1.0, λ = 0.5, and n(q) = q-1, whereas for Model 3 we employed αCE = 0.3, and λ was computed assuming αint = 0.2, and n(q) = q-1.
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