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Table 3.
Observed times of events quoted as BJD (TDB) with errors, and time predicted by either the linear eclipse ephemeris of Hellier & Sproats (1992) or the quadratic ephemeris for the spin maxima of Mauche et al. (2009, their Eq. (1)).
| Observed | Reference | |||
|---|---|---|---|---|
| BJD (TDB) | Error | Cycle | BJD (TDB) | O − C |
| −2400000 | (d) | −2400000 | (d) | |
| Mean blue-to-red zero crossing | Hellier & Sproats (1992) | |||
| 53030.78990 | 0.00011 | 224681 | 53030.79054 | −0.00064 |
| Eclipse timing | Hellier & Sproats (1992) | |||
| 53030.79092 | 0.00150 | 224681 | 53030.79054 | +0.00038 |
| Spin maxima | Mauche et al. (2009) | |||
| 53027.76471 | 0.00100 | 329304 | 53027.76376 | +0.00095 |
| 53027.81132 | 0.00100 | 329305 | 53027.81031 | +0.00101 |
| 53030.79023 | 0.00150 | 328369 | 53030.78926 | +0.00097 |
| 53030.83661 | 0.00100 | 329370 | 53030.83580 | +0.00081 |
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