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Table 3.
Positional, rotational, and orbital parameters used from other works and derived in this work for Swift J1756.9–2508.
| Parameter | Units | Values |
|---|---|---|
| α2000 |
 |
|
| δ2000 |
 |
|
| JPL Ephemeris | DE405 | |
| Porb | s | 3282.3515 |
| ax sin i | lt-s | 0.00597 |
| e | 0.00 | |
| Outburst – 2018 | ||
| ν | Hz | 182.065 803 84(3) |
| Epoch, t0 | MJD; TDB | 58216.0 |
| Validity range | MJD; TDB | 58211−58219 |
| Tasc, 2018 | MJD; TDB | 58211.017 52(6) |
| Outburst – 2019 | ||
| ν | Hz | 182.065 803 4(2) |
| Epoch, t0 | MJD; TDB | 58654.0 |
| Validity range | MJD; TDB | 58653−58657 |
| Tasc, 2019 | MJD; TDB | 58655.996 57(12) |
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