Active galactic nuclei with massive black holes have closer galactic neighbors - k-nearest-neighbor statistics of an unbiased sample at z ∼ 0.03

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Table 1.

Median parameter values of the BASS AGN subsamples for which we perform the kNN measurements.

z-range	Subsample	# of Objects	Median BH mass	Median L_bol	Median z	Median λ_Edd
			[dex M_⊙]	[dex erg/s]		[dex]
	High-L	63	8.09	44.54	0.022	−1.67
	Low-L	67	7.43	43.84	0.020	−1.69
0.01 < z < 0.03	Large M_BH	70	8.24	44.39	0.022	−2.10
	Small M_BH	69	7.08	44.09	0.020	−1.12
	High-λ_Edd	66	7.08	44.22	0.020	−1.03
	Low-λ_Edd	73	8.16	44.17	0.022	−2.21

	High-L	72	8.02	44.96	0.042	−1.20
	Low-L	66	7.89	44.49	0.043	−1.51
0.03 < z < 0.06	Large M_BH	65	8.35	44.79	0.041	−1.80
	Small M_BH	69	7.33	44.65	0.043	−0.87
	High-λ_Edd	70	7.36	44.76	0.041	−0.83
	Low-λ_Edd	66	8.34	44.66	0.043	−1.82

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