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Table 2.
Timing parameters for PSR B1937+21 and PSR B1821-24.
| Parameters | PSR B1937+21 | PSR B1821-24 |
|---|---|---|
| Barycentric timescale | TDB | TDB |
| Solar system ephemeris | DE430 | DE430 |
| F0 (s−1) | 641.92822124440(3) | 327.4055348707(1) |
| F1 (s−2) | −4.33083(3) × 10−14 | −1.735325(1) × 10−13 |
| Epoch (MJD) | 58552.05802358740094 | 58547.57188133819045 |
| RA (degree) | 294.91067228(9) | 276.1333640(3) |
| Dec (degree) | 21.5830898(1) | −24.869684(5) |
| MJD start time | 57932.5 (2017/06/28) | 57927.5 (2017/06/23) |
| MJD finish time | 60615.5 (2024/11/01) | 60588.0 (2024/10/05) |
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