Table 4.
BAO scale determination relative uncertainty σsA for different redshift ranges, for an ideal survey (left), for an LSST-like photometric survey (middle), and for a fiducial spectroscopic survey (right) with Ωsurv = 10 000 deg2.
| Redshift | Ideal survey | Photometric survey | Spectroscopic survey | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| (zmin, zmax) | n̄gal | σsA(%) | n̄gal | σsA(%) | n̄gal | σsA(%) | ||||
| kmax1 | kmax2 | kmax1 | kmax2 | kmax1 | kmax2 | kmax3 | ||||
| [0.4−0.7] | 1500 | 1.1 | 0.7 | 1500 | 1.2 | 0.7 | 30 | 1.3 | 0.9 | 0.5 |
| [0.7−1.0] | 1000 | 1.0 | 0.6 | 1000 | 1.2 | 0.7 | 20 | 1.4 | 0.9 | 0.6 |
| [1.0−1.3] | 600 | 0.9 | 0.6 | 600 | 1.0 | 0.6 | 12 | 1.6 | 1.1 | 0.7 |
| [1.3−1.6] | 300 | 0.9 | 0.5 | 300 | 1.1 | 0.8 | 6 | 2.9 | 2.0 | 1.4 |
| [1.6−1.9] | 130 | 0.9 | 0.6 | 130 | 1.6 | 1.3 | 4 | 4.9 | 4.0 | 2.8 |
| [1.9−2.2] | 60 | 1.1 | 0.7 | 60 | 4.2 | 3.4 | 2 | 11.5 | 10.0 | 9.0 |
Notes. n̄gal is the galaxy number density in units of 10−5 Mpc−3. The spectro-z redshifts are used for the ideal and the spectroscopic survey, and photo-z with errors similar to the reconstructed photo-z with the BDT 90% quality cut are used for the photometric survey. The columns giving σsA differ according to the k-range used: kmax1 means k ≤ 0.07 Mpc−1, kmax2 means k ≤ 0.1 Mpc−1 and kmax3 means k ≤ 0.2 Mpc−1.
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