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Table 2.
Volumetric rate of formation of magnetars from compact object scenarios.
| Pathway | Event | Magnetar | Millisecond |
|---|---|---|---|
| formation | magnetar | ||
| rate(a) | formation | ||
| (a) | |||
| A | BWD | < 103 − 105(b) | < 104 |
| B | AIC of WD | < 101 − 103(b) | < 10 |
| C | NSWD | 150–300 | – |
| D | BNS | 101 − 103 | ≲8.5 × 102(c) |
| E | Massive Stars | 104 − 105 | < 102 |
(c)
Estimated from Table 3 in Metzger (2019).
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