Table 4
Weighted mean of fit parameters and mean uncertainties for six sets of 100 mocks of increasing realism: Lyα only; including a quasar continuum; including metal absorption (for Met1 or Met2); including HCDs (and Met1) and masking those with NHI> 1020 cm-2 or > 1021 cm-2.
| Mock set |
|
|
|
|
|
|
|
|||||
| Lyα only | 0.998(0.014) | 1.002(0.020) | − 0.341(0.001) | 1.360(0.017) | 1632.5/(1590−4)p = 0.292 |
| +continuum | 1.000(0.023) | 0.993(0.040) | − 0.338(0.002) | 1.339(0.034) | 1589.1/(1590−4)p = 0.487 |
| +metals (Met1) | 0.998(0.025) | 0.993(0.040) | − 0.337(0.002) | 1.334(0.038) | 1583.8/(1590−12)p = 0.473 |
| (or) +metals (Met2) | 1.002(0.023) | 0.992(0.039) | − 0.339(0.002) | 1.334(0.037) | 1582.8/(1590−12)p = 0.480 |
| +HCDs (20) | 0.995(0.032) | 0.999(0.058) | − 0.351(0.035) | 1.338(0.172) | 1590.0/(1590−15)p = 0.429 |
| (or) +HCDs (21) | 0.995(0.032) | 0.995(0.056) | − 0.359(0.026) | 1.321(0.145) | 1594.1/(1590−15)p = 0.417 |
Notes. Fits are over the range 10 <r< 180 h-1 Mpc. The bias parameter, bLyα, refers to the reference redshift z = 2.25. The input values for the mock generation were b(1 + β)Lyα = −0.336 and βLyα = 1.4.
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