A low-luminosity type-1 QSO sample - III. Optical spectroscopic properties and activity classification

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Table 3

Percentages of LLQSOs classified using the BPT optical diagnostic diagrams.

Diagram	H ii	AGN/Sey	Comp	LINER

[N ii]/Hα_6dfGS	18%	64%	18%	–
[N ii]/Hα_HES	29%	55%	16%	–
[S ii]/Hα_6dfGS	12%	68%	–	20%
[O i]/Hα_6dfGS	19%	62%	–	19%

Notes. Only sources following the narrow hydrogen recombination lines criteria described in Sect. 5.1 and represented in Figs. 11 to 14 are used here.

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