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Table 4
Optical data on 2XMM J185114.3−000004: VLT/NACO and Swift/UVOT observations.
| Instrument | Time mid observation | Exposure | Filter | Mag |
| (UT) | (s) | |||
|
|
||||
| VLT/NACO | 2012-07-12 07:41:28 | 5 × 2 × 60 s | J | 15.8 ± 0.1 |
| VLT/NACO | 2012-07-12 07:54:45 | 5 × 2 × 60 s | Ks | 11.7 ± 0.1 |
| Swift/UVOT | 2012-06-26 06:57:11 | 8890 | u | > 21.84 |
| Swift/UVOT | 2012-06-17 16:49:25 | 533 | b | > 20.56 |
| Swift/UVOT | 2012-06-17 20:44:42 | 1834 | v | > 20.21 |
| Swift/UVOT | 2012-09-04 16:58:10 | 15 714 | m2 | > 22.11 |
| Swift/UVOT | 2012-07-13 17:33:49 | 8589 | w1 | > 21.79 |
| Swift/UVOT | 2012-06-24 09:58:43 | 4012 | w2 | > 21.62 |
Notes. Magnitudes are in the Vega system and not corrected for Galactic extinction.
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