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Table 1.
BINGO project parameters – Phase 1.
| Parameter | Value | Unit |
|---|---|---|
| Receiver | ||
| Tsys | 70 | K |
| Lower frequency cutoff (fmin) | 980 | MHz |
| Higher frequency cutoff (fmax) | 1260 | MHz |
| Frequency band (B) | 280 | MHz |
| Number of redshift bands (a) | 30 | |
| Sampling time (Hz) | τs | 10 |
| Instrument noise (1 s, 1 redshift band) (b) | 23 | mK |
| Telescope | ||
| Primary dish (Paraboloid) | ||
| Semi-major axis (c) | 25.5 | m |
| Semi-minor axis (d) | 20.0 | m |
| Concavity | 0.7 | m |
| Secondary dish (Hyperboloid) | ||
| Semi-major axis (e) | 18.3 | m |
| Semi-minor axis (f) | 17.8 | m |
| Concavity | 0.5 | m |
| Total area (Atot) | 1602 | m2 |
| Mean effective area (Aeff) (g) | 621 | m2 |
| Telescope azimuth orientation | 0 | deg (north) |
| Focal plane area (h) | 18.6 × 7.8 | m2 |
| Instantaneous focal plane area (i) | 14.75 × 6.0 | (Dec, RA) deg. |
| Optics | ||
| Focal length | 63.2 | m |
| Telescope beam solid angle (Ωbeam) (j) | 0.35 | sqr deg |
| Optics FWHM (@1.1 GHz) | ∼0.67 | deg |
| Number of feed horns (Phase 1) | 28 | |
| Number of circular polarizations | 2 | |
| Vertical horn center separation | 2.4 | m |
| Survey | ||
| Maximum declination coverage (k) | 15.31 | deg. |
| Mission duration (Phase 1) | 5 | years |
| Full survey area (5 yr) | 5324 | sqr. deg. |
| Duty cycle (Phase 1) | 60–90 | % of the time |
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