The Luminosity function of Narrow-Line Seyfert galaxies based on SDSS DR7 data

TL;DR

This paper measures the luminosity function of Narrow-Line Seyfert 1 galaxies using SDSS DR7 data, introducing a new calculation method and accounting for large-scale structure variations, with results aligning with X-ray observations.

Contribution

It presents a novel approach to calculating the AGN luminosity function and specifically analyzes NLSy1 galaxies within SDSS data.

Findings

NLSy1 occupy a narrower nuclear luminosity range than BLSy1

Results agree with X-ray luminosity function predictions

NLSy1 and BLSy1 have similar average luminosities within errors

Abstract

We present measurements of AGN type 1 luminosity function in the forbidden line [OIII]5007\AA using data from SDSS DR7. A special attention is paid to NLSy1. A new approach in calculating the luminosity function is present. We also account for the large-scale structure variations of the Universe density. The results obtained are compared with ones from the literature. A prediction of X-ray luminosity function based on our results shows an agreement with observations. One of our preliminary conclusions is that NLSy1 seems to occupy a more narrow range in the nuclear luminosity than BLSy1, but the average values are within errors.