Table 6
Comparison of the eclipse timings of XY Boo.
| Publ. timing | Model I | Model II | (O–C)I[d] | Epoch | Aut |
|
|
|||||
| 39 950.8121 | .81207(16) | .81207(16) | –0.00024 | –12860.5 | B |
| 39 951.9243 | .92427(14) | .92430(13) | 0.00030 | –12857.5 | B |
| 39 953.7763 | .77635(13) | .77628(13) | –0.00038 | –12852.5 | B |
| 39 953.9626 | .96259(20) | .96261(21) | 0.00058 | –12852.0 | B |
| 40 298.9470 | .94746(16) | .94745(16) | 0.00089 | –11921.0 | B |
| 40 389.7319 | .73142(13) | .73145(13) | –0.00065 | –11676.0 | B |
| 42 569.7091 | .70875(55) | .70875(55) | 0.00212 | –5793.0 | W |
| 42 577.6745 | .67530(65) | .67535(65) | 0.00173 | –5771.5 | W |
| 42 582.6769 | .6750(12) | .6750(12) | –0.00108 | –5758.0 | W |
| 45 131.3793 | .3800(11) | .3800(10) | 0.00047 | 1120.0 | A |
| 45 132.3056 | .30470(80) | .30450(85) | –0.00126 | 1122.5 | A |
|
|
|||||
| 44 325. | .446(16) | .446(16) | 0.03500 | –1055.0 | RV |
Notes. Published timings of Binnendijk (1971), Winkler (1977), and Awadalla & Yamasaki (1984) are compared with our results (only the fraction is given) and their uncertainties derived from LCs and RV curves. (O–C)I is the residual of the found eclipse timing to quadratic ephemeris according to Model II, and N is the number of photoelectric observations used for the timing determination.
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