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Table 2.
Summary of four evolutionary scenarios leading to the formation of BLAPs by merging DELM WDs.
| Scenario | Fraction | Evolution | M0, 1 | q0 | log P0 | e0 | MHeWD, 1 | qDHeWD | log PDHeWD |
|---|---|---|---|---|---|---|---|---|---|
| (%) | (M⊙) | (d) | (M⊙) | (d) | |||||
| S1 | 20.6 | double-core | (1.0;2.2) | ∼1 | (1.5;2.6) | (0;0.9) | (0.25;0.40) | (0.8;1.0) | (−2.3;−1.0) |
| CE | |||||||||
| S2 | 23.2 | RLOF + CE | (1.3;2.2) | (0.55;0.95) | (0.3;0.6) | 0 | (0.23;0.37) | (0.95;1.3 (*)) | (−3.2;−2.2) |
| S3 | 51.4 | RLOF + CE | (1.0;2.4) | (0.35;0.95) | (0.3;0.7) | 0 | (0.20;0.33) | (0.7;1.4) | (−1.7;−1.2) |
| S4 | 4.8 | RLOF + CE | (1.8;2.4) | (0.40;0.60) | (0.8;2.5) | (0.2;0.95) | (0.22;0.35) | (0.7;1.2) | (−2.2;−1.1) |
Notes. The symbols of parameters in the first row are identical to those presented and described in the caption to Fig. 7.
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