Table 2.
Key Instrument Parameters
| Instrument Parameter | Instrument Performance |
|---|---|
| Angular resolution | 251 μrad |
| Angular field of regard | 4.31° × 60° |
| Spectral range | 800 nm to 5000 nm |
| Spectral sampling | 10 nm |
| Spectral integration time | 53.47 ms |
| Optical Parameters | |
| Focal length | 119.3 mm |
| Slit width | 30 μm |
| F number | f/1.4 |
| Operating temperature of Focal Plane | 83–87 K |
| Operating temperature of Spectrometer | 84–92 K |
| Spectral Response Function (SRF) FWHM | 1.32 pixels |
| Cross-track spatial Response Function (CRF) | 1.26 pixels |
| Along-track spatial Response Function (ARF) | 1.42 pixels |
| Spectral uniformity (in units of percentage of 30-μm pixels) | 2.8% |
| Spatial uniformity (in units of percentage of 30-μm pixels) | 3.5% |
| Detector | |
| Type | Teledyne Chroma HgCdTe |
| Array format | 320 × 480 pixels |
| Pixel size | 30 μm × 30 μm |
| Instrument dimensions | 0.66 m × 0.63 m × 1.08 m |
| Instrument mass | ∼65 kg |
| Instrument power (max, nominal, standby) | ∼60 W (operating) |