Table 4.
Median properties of the matched AGN subsets used to investigate the dependence of environment on λEdd.
| Subset | N | ⟨z⟩ | ⟨log sSFR⟩ | ⟨log SFR⟩ | ⟨log M★⟩ | ⟨log LX⟩ | ⟨log MBH⟩ | ⟨log λEdd⟩ | bAGN | log MDMH |
|---|---|---|---|---|---|---|---|---|---|---|
| low–LX, low–λEdd | 66 | 0.70 | −0.19 | 1.70 | 10.93 | 43.80 | 8.39 | −1.71 | 1.63 ± 0.30 | 12.94 ± 0.38 |
| low–LX, high–λEdd | 66 | 0.83 | −0.17 | 1.80 | 10.93 | 43.81 | 8.27 | −1.29 | 2.09 ± 0.27 | 13.16 ± 0.23 |
| high–LX, low–λEdd | 53 | 0.81 | +0.09 | 1.94 | 11.01 | 44.27 | 8.71 | −1.67 | 2.21 ± 0.36 | 13.32 ± 0.28 |
| high–LX, high–λEdd | 53 | 0.91 | +0.03 | 2.00 | 10.90 | 44.32 | 8.51 | −1.30 | 3.14 ± 0.84 | 13.72 ± 0.36 |
| all–LX, low–λEdd | 146 | 0.74 | −0.16 | 1.73 | 10.93 | 43.96 | 8.19 | −1.54 | 1.91 ± 0.26 | 13.14 ± 0.23 |
| all–LX, high–λEdd | 146 | 0.91 | −0.11 | 1.99 | 11.14 | 44.16 | 7.92 | −0.71 | 2.52 ± 0.35 | 13.41 ± 0.20 |
Notes. Median values of sSFR, SFR, stellar mass (M★), X-ray luminosity (LX), redshift (z), black-hole mass (MBH), Eddington ratio (λEdd), the AGN linear bias parameter (bAGN), and the inferred DMH mass (MDMH) for the matched AGN subsets. ‘Low–high’ divisions correspond to log LX ≤ 44 and log λEdd ≤ −1.50 (low) versus log LX > 44 and log λEdd > −1.50 (high). The same Eddington-ratio threshold was used for the ‘all–LX’ subsamples. The last column lists the DMH masses derived from the AGN–galaxy cross-correlation analysis.
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