The Close Environment of Seyfert Galaxies and Its Implication for Unification Models

@article{DultzinHacyan1999TheCE,
  title={The Close Environment of Seyfert Galaxies and Its Implication for Unification Models},
  author={D. Dultzin-Hacyan and Y. Krongold and I. Fuentes-guridi and P. Marziani},
  journal={The Astrophysical Journal},
  year={1999},
  volume={513}
}
In this Letter, we present a statistical analysis of the circumgalactic environment of nearby Seyfert galaxies based on a computer-aided search of companion galaxies on the Digitized Sky Survey. We defined a sample of 72 nearby Seyfert 1 galaxies (redshift 0.007≤z≤0.034) and a sample of 60 Seyfert 2 galaxies (0.007≤z≤0.020), which include only high galactic latitude objects. In addition, we built two control samples of nonactive galaxies that match the number of sample members, the redshift… Expand
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