# Emission Line Luminosity Distributions of Seyfert 2 Galaxies

## TL;DR

This study investigates the emission line luminosity distributions of Seyfert 2 galaxies, revealing two distinct populations with different accretion rates and morphologies, suggesting varied physical conditions.

## Contribution

It identifies two separate populations of Seyfert 2 galaxies based on emission line luminosities and links these to differences in accretion rates and galaxy morphology.

## Key findings

- Two populations with distinct emission line luminosities.
- Different accretion rates between the populations.
- Distinct morphological distributions associated with each population.

## Abstract

We probed the relation between line activities of Seyfert 2 galaxies and their host galaxies. We selected Seyfert 2 galaxies from the Sloan Digital Sky Survey Data Release 10 with redshifts less 0.2. We used the luminosity of the emission lines as indicators of AGN power. We found that the Seyfert 2 galaxies seem to have two populations in the emission line luminosity distributions. We considered the L[OIII]/Lbulge ratio as an accretion rate indicator and found that the two Seyfert 2 distributions seem to have different accretion rates. We found that these two Seyfert 2 populations, although classified by their emission line distributions, turned out to have different morphology distributions. These results indicate that these different populations of the Seyfert 2 galaxies might be significantly different in their physical conditions.