Table 1.
Photometric observations.
| Band | N | HJD′start | HJD′end | Mean ± std (mag) |
|---|---|---|---|---|
| BM | 1315 | −1173.8652 | 1541.9973 | −5.850 ± 0.175 |
| RM | 1510 | −1173.8652 | 1541.9973 | −6.417 ± 0.173 |
| I | 535 | 2167.8681 | 4955.5136 | 16.985 ± 0.180 |
| V | 136 | 2994.7006 | 4955.4684 | 18.143 ± 0.180 |
| I | 3364 | 5260.6121 | 10064.5314 | 16.946 ± 0.182 |
| V | 280 | 5260.6596 | 10061.4713 | 18.111 ± 0.178 |
Notes. Summary of OGLE-III, OGLE-IV and MACHO photometric observations analyzed in this paper. The number of measurements, starting and ending times, and average magnitude and their standard deviation are given. HJD′ = HJD-2450000. The uncertainty of a single OGLE measurement varies between 4 and 6 mmag and for MACHO RM and BM are typically 0.048 mag and 0.058 mag.
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