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Table 1
Times of primary (P) and secondary (S) minima of EF Aqr determined from the uvby observations.
| HJD | rms | Type | O−Ca |
| −2 400 000 | |||
|
|
|||
| 52 225.55854 | 0.00014 | P | 0.00014 |
| 52 556.57275 | 0.00010 | P | −0.00001 |
| 52 576.54774 | 0.00011 | P | −0.00003 |
| 52 764.88340 | 0.00100 | P | −0.00012 |
| 52 563.70652 | 0.00026 | S | −0.00017 |
| 52 794.84594 | 0.00014 | S | −0.00009 |
| 52 917.54967 | 0.00029 | S | 0.00004 |
| 53 676.59990 | 0.00019 | S | 0.00011 |
Notes.
(a)
O–C values are calculated for the ephemeris given in Eq. (1), assuming a circular orbit.
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