Open Access
Table 1.
Off-centred dipole geometry deduced from the polar cap location after the new joint NICER and XMM-Newton results of Choudhury et al. (2024).
| From the literature | From this work | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Hot spot | Θp | ϕp | ξp | Θc, s | ϕs | ξc, s | ξc, s/ξp | ζ | α | β | δ | ϵ |
| Model | (rad) | (cycle) | (rad) | (rad) | (cycle) | (rad) | (d/R) | |||||
| CI | 0.146 | 0.4429 | 0.433 | 2.307 | 0.4704 | 0.197 | 0.45 | 137.5° | 20° | 110° | 70° | 0.46 |
| ML | 0.112 | 0.4381 | 0.561 | 2.318 | 0.466 | 0.177 | 0.31 | 137.5° | 26° | 116° | 64° | 0.36 |
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