Nuclear spectra of polar-ring galaxies

Details Nuclear spectra of polar-ring galaxies Nuclear spectra of polar-ring galaxies

2000-11-19

arxiv.org/abs/astro-ph/0011350v1

Mon.Not.Roy.Astron.Soc. 322 (2001) 689

Astronomy and Astrophysics

Astrophysics

7 pages, 4 postscript figures, accepted for publication in MNRAS

Scientific paper

10.1046/j.1365-8711.2001.04134.x

We report the results of spectroscopic observations of 8 southern polar-ring galaxies (PRGs), in the wavelength range 5900-7300 \AA. We fing that 5 out of 8 galaxies contain LINERs or Sy nuclei. Taking into consideration all PRGs with available spectral data, we estimate that about half of all PRGs and PRG candidates have either LINER or Seyfert nuclei. The observed widths of the [NII]6583 line in the nuclei of early-type PRGs follow the linewidth - absolute luminosity relation for normal E/S0 galaxies. We found that one of the observed galaxies - ESO 576-G69 - is a new kinematically-confirmed polar-ring galaxy with a spiral host.

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