First tentative detection of anisotropy in the QSO distribution around nearby edge-on spiral galaxies

@article{LopezCorredoira2007FirstTD,
  title={First tentative detection of anisotropy in the QSO distribution around nearby edge-on spiral galaxies},
  author={M. L'opez-Corredoira and C. Gutierrez},
  journal={Astronomy and Astrophysics},
  year={2007},
  volume={461},
  pages={59-69}
}
  • M. L'opez-Corredoira, C. Gutierrez
  • Published 2007
  • Physics
  • Astronomy and Astrophysics
  • Aims. To check whether the polar angle distribution of QSOs around nearby spiral galaxies is isotropic or not. Methods. A statistical analysis of the polar angle distribution of large samples of QSOs from the SDSS survey and Monte Carlo simulations to calculate their significance are carried out. Results. There is a clear excess of QSOs near the minor axis with respect to the major axis of nearby edge-on spiral galaxies, significant at a level 3.5cr up to angular distances of ∼3° (or ∼1.7 Mpc… CONTINUE READING
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