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Table 1

Definition of the 33 intervals of MBH and L/LEdd used to create the composite spectra, along with the number of quasars within each interval.

Black Hole Mass Eddington Ratio N
8.4 ≤ log (MBH/M⊙) < 8.6  −0.4 ≤ log (L/LEdd) <  −0.2 19
 −0.2 ≤ log (L/LEdd) < 0.0 32
8.6 ≤ log (MBH/M⊙) < 8.8  −0.6 ≤ log (L/LEdd) <  −0.4 14
 −0.4 ≤ log (L/LEdd) <  −0.2 44
 −0.2 ≤ log (L/LEdd) < 0.0 58
8.8 ≤ log (MBH/M⊙) < 9.0  −0.8 ≤ log (L/LEdd) <  −0.6 16
 −0.6 ≤ log (L/LEdd) <  −0.4 45
 −0.4 ≤ log (L/LEdd) <  −0.2 71
 −0.2 ≤ log (L/LEdd) < 0.0 54
9.0 ≤ log (MBH/M⊙) < 9.2  −1.0 ≤ log (L/LEdd) <  −0.8 13
 −0.8 ≤ log (L/LEdd) <  −0.6 71
 −0.6 ≤ log (L/LEdd) <  −0.4 87
 −0.4 ≤ log (L/LEdd) <  −0.2 108
 −0.2 ≤ log (L/LEdd) < 0.0 55
9.2 ≤ log (MBH/M⊙) < 9.4  −1.0 ≤ log (L/LEdd) <  −0.8 55
 −0.8 ≤ log (L/LEdd) <  −0.6 108
 −0.6 ≤ log (L/LEdd) <  −0.4 190
 −0.4 ≤ log (L/LEdd) <  −0.2 118
 −0.2 ≤ log (L/LEdd) < 0.0 11
9.4 ≤ log (MBH/M⊙) < 9.6  −1.2 ≤ log (L/LEdd) <  −1.0 22
 −1.0 ≤ log (L/LEdd) <  −0.8 81
 −0.8 ≤ log (L/LEdd) <  −0.6 214
 −0.6 ≤ log (L/LEdd) <  −0.4 188
 −0.4 ≤ log (L/LEdd) <  −0.2 46
9.6 ≤ log (MBH/M⊙) < 9.8  −1.2 ≤ log (L/LEdd) <  −1.0 25
 −1.0 ≤ log (L/LEdd) <  −0.8 126
 −0.8 ≤ log (L/LEdd) <  −0.6 196
 −0.6 ≤ log (L/LEdd) <  −0.4 74
 −0.4 ≤ log (L/LEdd) <  −0.2 18
9.8 ≤ log (MBH/M⊙) < 10.0  −1.2 ≤ log (L/LEdd) <  −1.0 52
 −1.0 ≤ log (L/LEdd) <  −0.8 82
 −0.8 ≤ log (L/LEdd) <  −0.6 61
 −0.6 ≤ log (L/LEdd) <  −0.4 29
Total 2383

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