Emission line luminosity distributions of Seyfert 2 galaxies

Yen Chen Chen, Chorng Yuan Hwang

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

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 than 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[O III]/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.

Original languageEnglish
Pages (from-to)3402-3408
Number of pages7
JournalMonthly Notices of the Royal Astronomical Society
Volume485
Issue number3
DOIs
StatePublished - 28 Feb 2019

Keywords

  • Galaxies: Seyfert
  • Galaxies: active
  • Galaxies: bulges
  • Galaxies: statistics

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