baseline
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The baseline mission configuration will evolve with time; this page records the baseline at any epoch.
V3.0 - January 2018
Provenance
Based on the V3 focal plane considered by the first TeamX review, simplified to uniformly-sized single-pixel hexagonal wafers for initial simulation-based studies.
Instrument - Detectors
| Band | Frequency | Bandwidth | Beam FWHM | NET | f_knee | Exponent |
|---|---|---|---|---|---|---|
| (GHz) | (GHz) | (arcmin) | (uK_CMB) | (mHz) | α | |
| 1 | 21.0 | 5.2 | 38.4 | 94.7 | 10 | 1 |
| 2 | 25.0 | 6.3 | 32.9 | 86.6 | 10 | 1 |
| 3 | 30.0 | 7.5 | 28.3 | 54.9 | 10 | 1 |
| 4 | 36.0 | 9.0 | 23.6 | 50.2 | 10 | 1 |
| 5 | 43.2 | 10.8 | 22.2 | 40.3 | 10 | 1 |
| 6 | 51.8 | 13.0 | 18.4 | 37.1 | 10 | 1 |
| 7 | 62.2 | 15.6 | 12.8 | 56.5 | 10 | 1 |
| 8 | 74.6 | 18.7 | 10.7 | 52.7 | 10 | 1 |
| 9 | 89.6 | 22.4 | 9.5 | 33.8 | 10 | 1 |
| 10 | 107.5 | 26.9 | 7.9 | 32.1 | 10 | 1 |
| 11 | 129.0 | 32.3 | 7.4 | 26.7 | 10 | 1 |
| 12 | 154.8 | 38.7 | 6.2 | 26.3 | 10 | 1 |
| 13 | 185.8 | 46.5 | 4.3 | 49.9 | 10 | 1 |
| 14 | 222.9 | 55.7 | 3.6 | 56.0 | 10 | 1 |
| 15 | 267.5 | 66.9 | 3.2 | 41.7 | 10 | 1 |
| 16 | 321.0 | 80.3 | 2.6 | 55.3 | 10 | 1 |
| 17 | 385.2 | 96.3 | 2.5 | 69.0 | 10 | 1 |
| 18 | 462.2 | 115.6 | 2.1 | 141.0 | 10 | 1 |
| 19 | 554.7 | 138.7 | 1.5 | 460.5 | 10 | 1 |
| 20 | 656.6 | 166.4 | 1.3 | 1826.0 | 10 | 1 |
| 21 | 798.7 | 199.7 | 1.1 | 10806.1 | 10 | 1 |
Note: PSD(f) = NET^2 * (f^α + f_knee^α) / (f^α + f_min^α)
Instrument - Focal Plane
| Wafer Size | Focal Plane Size | Plate Scale | Focal Plane FOV |
|---|---|---|---|
| (cm) | (cm) | (degrees/cm) | (degrees) |
| 5 | 45 | 0.27 | 12.15 |
| Wafer | Count | Pixels/Wafer | Bands | Detectors/Band | Sampling Rate (Hz) |
|---|---|---|---|---|---|
| A | 10 | 7 | 1, 3, 5 | 140 | 42 |
| B | 14 | 7 | 2, 4, 6 | 196 | 51 |
| C | 18 | 19 | 7, 9, 11 | 684 | 126 |
| D | 12 | 37 | 8, 10, 12 | 888 | 151 |
| E | 3 | 169 | 13, 15, 17 | 1014 | 374 |
| F | 3 | 127 | 14, 16, 18 | 762 | 445 |
| GHI | 1 | 127 | 19, 20, 21 | 254 | 850 |
Observation
| Parameter | Value |
|---|---|
| Precession Angle (α) | 30 degrees |
| Precession Period (T_prec) | 10 hours |
| Spin Angle (β) | 65 degrees |
| Spin Period (T_spin) | 1 minute |
| Duration | 4 years |
| CryoCycle Period | 1 day |
| CryoCycle Duration | 0 minutes |
| HWP Period (T_hwp) | N/A |
References
baseline.1518711343.txt.gz · Last modified: 2018/02/15 10:15 by borrill