Technical Specification
The following table shows the main technical features of UPF
| Parameter | Predicted |
|---|---|
| Radial Velocity Error (instrumental) | 0.5 m/s (primarily from opto-mechanical stability, centring and guiding and spectral response function error) |
| Sensitivity | Y=11.3, J=10.7, H=10.2, S/N=150 in 3600s |
| Observational Efficiency | 80% in 3600 s (based on integral acquisition system) |
| Spectral Resolving Power | 70,000 |
| Sampling | 2.5 pixel |
| Simultaneous wavelength Coverage | 90% of Y+J+H bands (not including telluric mask) |
| Instrument SRF stability | Drift: < 0.01pixel (±0.05K) Skewness: ± 0.001 (±0.05K) |
| Throughput | 10% |
| Field of View | 1.4” |
| Instrument Background | < 0.1 e/s (if no persistence) |
| Acquisition and guiding | < 0.1” |
| Guiding sensitivity | Z>14.8 for S/N=50 in 1 s |
| Image quality at fibre | 50%EED = 1 pixel |
| Image quality at detector | 50%EED=0.5 pixel |
| Array Cosmetic Quality | <1% |