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Table 1
Overview of the observations.
| Field | Date | Filter | DIT × NDIT (s)a | Nframes | Nuse | Airmass | Seeingb (″) | FWHM of PSF (″) |
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| VLT/NACO | ||||||||
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| Field 1 (center) | 2002-03-30 | H | 30.00 × 2 | 35 | 14 | 1.15 | 0.8 | 0.084 |
| Field 1 (center) | 2002-03-30 | K s | 15.00 × 4 | 15 | 7 | 1.15 | 0.8 | 0.084 |
| Field 2 (outskirt) | 2008-06-06 | K s | 15.00 × 3 | 44 | 38 | 1.01 | 0.61–0.78 | 0.073 |
| Field 3 (outskirt) | 2008-06-06 | K s | 15.00 × 3 | 44 | 32 | 1.06 | 0.69–0.92 | 0.089 |
| Field 4 (outskirt) | 2008-06-06 | K s | 15.00 × 3 | 44 | 33 | 1.14 | 0.78–0.98 | 0.079 |
| Field 5 (outskirt) | 2008-06-10 | K s | 15.00 × 3 | 44 | 30 | 1.01 | 0.7–0.84 | 0.116 |
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| Subaru/Cisco | ||||||||
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| Wide field | 2000-07-17 | J | 10.00 × 1 | 86 | 72 | 1.72 | – | 0.39 |
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| Calibration fields | ||||||||
| Calib3-5 | 2012-06-12 | K s | 3.00 × 1 | 88 | 88 | 1.01 | 0.78 | 0.151 |
| Calib4-5 | 2012-06-12 | K s | 3.00 × 1 | 71 | 71 | 1.72 | 0.9 | 0.108 |
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