Dwarf seyfert 1 nuclei and the low-mass end of the MBH-σ relation

Aaron J. Barth, Jenny E. Greene, Luis C. Ho

Research output: Contribution to journalArticle

141 Scopus citations

Abstract

To examine the relationship between black hole mass and host galaxy velocity dispersion for low black hole masses, we have measured the velocity dispersions of 15 Seyfert 1 galaxies from the recent catalog of Greene & Ho. These Seyfert galaxies were selected from the Sloan Digital Sky Survey to have estimated black hole masses below 10 6 M. The data are consistent with a straightforward downward extrapolation of the local MBH-σ relation, indicating that this correlation extends over a range of more than 4 orders of magnitude in black hole mass. The rms scatter of the sample about the extrapolated MBH-σ relation is 0.57 dex, consistent with the expected scatter of single-epoch mass estimates for Seyfert 1 galaxies.

Original languageEnglish (US)
Pages (from-to)L151-L154
JournalAstrophysical Journal Letters
Volume619
Issue number2
DOIs
StatePublished - Feb 1 2005
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Astronomy and Astrophysics
  • Space and Planetary Science

Keywords

  • Galaxies: Seyfert
  • Galaxies: active
  • Galaxies: kinematics and dynamics
  • Galaxies: nuclei

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