Table 3
Ff-, gr-, and ab-events found in the data.
| Event | Segment | HJD | Year | φff | Event type |
|
|
|||||
| 1 | – | – | 1981.0 | 0.00 | ff |
| 2 | 1–2 | 2 446 331.0 | 1988.5 | 0.94 | ff |
| 3 | 8–10 | 2 450 451.1 | 1997.0 | 0.00 | gr |
| 4 | 13–15 | 2 452 255.6 | 2001.9 | 0.62 | gr |
| 5 | 16–18 | 2 453 305.9 | 2004.8 | 0.98 | gr |
| 6 | 19 | 2 453 676.2 | 2005.8 | 0.11 | ab |
| 7 | 20 | 2 454 250.7 | 2007.4 | 0.31 | ab |
| 8 | 21–22 | 2 454 673.6 | 2008.6 | 0.45 | ab |
| 9 | 22–23 | 2 454 908.2 | 2009.2 | 0.53 | ab |
Notes. The first column is the number of the event, the second the segment or the range of segments during which the event occurred. The next two columns give the estimated epochs of the event in JD and years. The fourth column gives the phase calculated with the ephemeris Jff = 1981.00 + 7.99E. The last column gives the type of the event, ff = flip-flop, gr = gradual phase shift, ab = abrupt phase shift.
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