Table 6 Survey performance of typical spectroscopic survey telescopes using the measure of Eq. (5) proposed by [32]
Telescope | Area of primary mirror (A/m2) | Area of FOV (Ω/ deg2) | Number of optical fibers (N) | Proportion of time for survey (fuse) | Seeing (θ/arcsec) | Index of survey capability (η/ηDESI) |
|---|---|---|---|---|---|---|
SDSS | 4.91 | 7.1 | 1400 | 50% | 1.40 | 0.044 |
4MOSTa | 13.20 | 4.0 | 2436 | 70% | 0.80 | 0.497 |
DESI | 12.57 | 7.5 | 5000 | 60% | 1.00 | 1.000 |
MOONSa | 52.81 | 0.14 | 1000 | 30% | 0.80 | 0.012 |
Subaru | 52.81 | 1.1 | 2400 | 25% | 0.75 | 0.219 |
MUST | 30.64 | 7.1 | 20000 | 70% | 0.75 | 19.144 |