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Table 1
The CFHT/AOB-KIR and VLT/ISAAC observations of G21.5-0.9.
| Instrument | Number | Exposure | Filter | Filter | Date |
| name | of | time per frame | central λ | width Δλ | of |
| exposures | [s] | [μm] | [μm] | observations | |
|
|
|||||
| CFHT | |||||
| AOB-KIR | 31 | 120.0 | 2.115 | 0.350 | 02.08.2001 |
| AOB-KIR | 54 | 120.0 | 2.115 | 0.350 | 03.08.2001 |
|
|
|||||
| VLT | |||||
| ISAAC-POLa | |||||
| χ = 27° | 9 | 20.0 | 2.160 | 0.270 | 07.09.2002 |
| 27 | 20.0 | 2.160 | 0.270 | 08.09.2002 | |
| χ = 72° | 2 | 20.0 | 2.160 | 0.270 | 07.09.2002 |
| 34 | 20.0 | 2.160 | 0.270 | 08.09.2002 | |
| ISAAC-IMGb | |||||
| 9 | 68.0 | 1.64 | 0.025 | 08.07.2002 | |
| 9 | 68.0 | 1.64 | 0.025 | 22.07.2002 | |
| 10 | 68.0 | 1.71 | 0.026 | 08.07.2002 | |
| 10 | 68.0 | 1.71 | 0.026 | 22.07.2002 | |
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