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Table 2.
Journal of VISIR observations.
| Source | Filter | UT start time | Airmass | IQ at λ | Exposure | Fν |
|---|---|---|---|---|---|---|
| (arcsec) | (s) | (mJy) | ||||
| RMC 71 | J8.9 | 2017-10-07 07:47 | 1.47 | N/A | 90 | 136 ± 19 |
| J8.9 | 2017-10-11 07:30 | 1.47 | 0.42 | 90 | 122 ± 12 | |
| PAH2_2 | 2016-08-14 08:57 | 1.63 | 0.35 | 1892 | 408 ± 41 | |
| PAH2_2 | 2016-08-18 08:31 | 1.65 | 0.36 | 1892 | 482 ± 48 | |
| PAH2_2 | 2016-09-05 08:11 | 1.57 | 0.35 | 1892 | 408 ± 41 | |
| Q1 | 2016-08-17 08:58 | 1.64 | 0.46 | 588 | 3261 ± 326 | |
| Q1 | 2017-10-07 07:56 | 1.46 | 0.46 | 1980 | 3207 ± 321 | |
| Q1 | 2017-10-11 07:35 | 1.46 | 0.47 | 1980 | 3490 ± 349 | |
| HD 34664 | J8.9 | 2017-10-08 07:49 | 1.38 | 0.29 | 90 | 1051 ± 105 |
| PAH2_2 | 2016-09-05 08:54 | 1.43 | 0.38 | 1260 | 944 ± 94 | |
| PAH2_2 | 2016-09-08 09:02 | 1.40 | 0.38 | 1260 | 903 ± 90 | |
| Q1 | 2017-10-08 07:55 | 1.37 | 0.46 | 1980 | 580 ± 58 | |
| HD 38489 | J8.9 | 2017-10-27 07:33 | 1.41 | N/A | 90 | 905 ± 129 |
| PAH2_2 | 2016-09-22 09:05 | 1.42 | 0.32 | 990 | 781 ± 78 | |
| Q1 | 2017-10-27 07:54 | 1.41 | 0.46 | 1980 | 561 ± 56 |
Notes. IQ at λ gives the approximate image quality at the observing wavelength at the zenith as measured from the flux standard stars observed before or after the science targets. Filter centre wavelengths are J8.9: 8.7 μm, PAH2_2: 11.68 μm, Q1: 17.65 μm.
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