Table 2
JHKs NACO photometry for MOA-2007-BLG-192, i.e. lens+source (no dereddening applied).
| Band | J | H | Ks | |
|
|
||||
| NACO epoch 1 | ||||
|
|
||||
| calibrated against IRSF | ||||
| 19.209 ± 0.043 | 18.281 ± 0.042 | 17.948 ± 0.035 | ||
|
|
||||
| NACO epoch 2 | ||||
|
|
||||
| calibrated against IRSF | ||||
| 19.324 ± 0.073 | 18.548 ± 0.112 | 17.989 ± 0.038 | ||
| Δ epochs | 0.115 ± 0.085 | 0.267 ± 0.120 | 0.041 ± 0.052 | |
|
|
||||
| aligned with respect to epoch 1 | ||||
| 19.283 ± 0.071 | 18.498 ± 0.087 | 18.011 ± 0.042 | ||
| Δ epochs | 0.074 ± 0.083 | 0.217 ± 0.097 | 0.063 ± 0.055 | |
Notes. The absolute photometry error budget is composed by adding in quadrature the errors on the zeropoint, the formal error reported by Starfinder and the background error as estimated from the scatter between epoch 1 and epoch 2 comparison stars. For epoch 1, J, and H bands, we adopt the background error estimate as derived from the K band, since the poor epoch 2 quality in J and H would overestimate the epoch 1 errors.
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