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Table 3
Log of the VISIR imaging.
| Target | Filter | λc | Chop | Time | Airmass | Seeing | Int.time |
| [μm] | [″] | [h:m] | [″] | [s] | |||
|
|
|||||||
| HD 139127 | SiC | 11.85 | 9 | 05:07 | 1.07 | 0.83 | 110 |
| HD 142527 | SiC | 11.85 | 10 | 05:18 | 1.07 | 0.83 | 354 |
| HD 186791 | SiC | 11.85 | 9 | 10:07 | 1.22 | 0.77 | 110 |
| HD 142527 | Q2 | 18.72 | 8 | 02:21 | 1.05 | 0.82 | 680 |
| HD 142527 | Q2 | 18.72 | 8 | 02:37 | 1.06 | 0.75 | 680 |
| HD 139127 | Q2 | 18.72 | 9 | 02:57 | 1.09 | 0.72 | 338 |
Notes. The entries are ordered according to observation time. The columns from left to right give the target name, the imaging filter, its central wavelength, the chopper throw, the time of observation, the airmass and optical seeing, and the effective integration time.
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