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Type 1 AGN at low z. III. The optical narrow line ratios
Jonathan Stern, Ari Laor
We present the optical narrow line ratios in an SDSS based sample of 3,175 broad Ha selected type 1 AGN, and explore their positions in the BPT diagrams as a function of the AGN an…
Type 1 AGN at low z. II. The relative strength of narrow lines and the nature of intermediate type AGN
Jonathan Stern, Ari Laor
We explore the relative strength of the narrow emission lines in an SDSS based sample of broad H-alpha selected AGN, defined in paper I. We find a decrease in the narrow to broad H…
Type 1 AGN at low z
Jonathan Stern, Ari Laor
We present the emission properties of a sample of 3,579 type 1 AGN, selected based on the detection of broad H-alpha emission. The sample covers the range of black hole mass 10^6<M…
Type 1 low z AGN. I. Emission properties
Jonathan Stern, Ari Laor
We analyze the emission properties of a new sample of 3,579 type 1 AGN, selected from the SDSS DR7 based on the detection of broad H-alpha emission. The sample extends over a broad…