Open Access
Table 1
Principal characteristics of the exposure used as an example in Sect. 3.
| Properties | Values |
|---|---|
| Observatory | CTIO 0.9 m |
| Disperser | Amplitude hologram ≈ 350 lines mm−1 |
| Dispersion axis angle α | ≈ −1.6° |
| DCCD | ≈ 56 mm |
| Pixel size | 24 μm |
| Pixel spectral scale | ≈ 1 nm |
| Pixel angular scale | 0.″401 |
| Target | CALSPEC HD111980 |
| Exposure | 120 s |
| Background level | ≈ 25 ADU |
| Seeing | 0.″65 |
| Airmass | 1.13 |
| Outside pressure | 784 hPa |
| Outside temperature | 8.6 °C |
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