| Observation | Time [BJD] | Cycle | O-C [s] |
| XMM EPIC 2004 | 2 453 185.23203(8) | 0 | -0.6 |
| XMM EPIC 2004 | 2 453 185.29585(8) | 1 | 2.5 |
| XMM EPIC 2004 | 2 453 185.35959(8) | 2 | -1.7 |
| XMM EPIC 2004 | 2 453 185.42345(8) | 3 | 4.3 |
| XMM EPIC 2004 | 2 453 185.48715(8) | 4 | -2.3 |
| CAHA Spec 2007 | 2 454 146.7313(7) | 15074 | 8.6 |
| CAHA Phot 2007 | 2 454 178.5600(4) | 15573 | -4.3 |
| CAHA Phot 2007 | 2 454 178.6240(4) | 15574 | 14.3 |
| CAHA Phot 2007 | 2 454 178.6875(4) | 15575 | -10.4 |