Table 4
Values of the parameters (and redshift range over which they apply) for the best-fit PLE and PLE+LEDE models of quasar luminosity functions (e.g., Eqs. (6)–(9)).
Model | Redshift | Parameters | χ2/ν | |||||
range | ||||||||
|
||||||||
PLE |
![]() |
log (Φ∗) | ||||||
0.68−4.0 | −26.71 ± 0.15 | −6.01 ± 0.07 | 135/76 | |||||
α | β | k1 | k2 | |||||
0.68−2.2 | −4.31 ± 0.26 | −1.54 ± 0.04 | −0.08 ± 0.08 | −0.40 ± 0.05 | ||||
2.2−4.0 | −3.04 ± 0.12 | −1.38 ± 0.07 | −0.25 ± 0.09 | −0.05 ± 0.06 | ||||
|
||||||||
![]() |
log [Φ∗(0)] | α | β | |||||
0.68−4.0 | −22.25 ± 0.49 | −5.93 ± 0.09 | −3.89 ± 0.23 | −1.47 ± 0.06 | 146/77 | |||
PLE | k1 | k2 | ||||||
+ LEDE | 0.68−2.2 | 1.59 ± 0.28 | −0.36 ± 0.09 | |||||
c1a | c1b | c2 | c3 | |||||
2.2−4.0 | −0.46 ± 0.10 | −0.06 ± 0.10 | −0.14 ± 0.17 | 0.32 ± 0.23 |
Notes. The slope α reproduces the bright end part of the QLF, and β the faint end.
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