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Flat Galaxies in the SDSS DR6
Astronomische Nachrichten
  • Stefan Kautsch, Christopher Newport University
Publication Date
  • Galaxies: fundamental parameters,
  • Galaxies: irregular,
  • Galaxies: spiral,
  • Galaxies: statistics,
  • Galaxies: structure
This study presents the fractions of different spiral galaxy types from a complete and homogeneous sample of 15 127 edge-on disk galaxies extracted from the sixth data release from the Sloan Digital Sky Survey. The sample is divided in broad morphological classes and sub types consisting of galaxies with bulges, intermediate types and galaxies which appear bulgeless. A small fraction of disky irregulars is also detected. The morphological separation is based on automated classification criteria which resemble the bulge sizes and the flatness of the disks. Each of these broad classes contains about 1/3 of the total sample. Using strict criteria for selecting pure bulgeless galaxies leads to a fraction of 15 % of simple disk galaxies.

©2009 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim

Additional Comments

English version of journal title: Astronomical Notes

(© 2009 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim)

Citation Information
Stefan Kautsch. "Flat Galaxies in the SDSS DR6" Astronomische Nachrichten Vol. 330 Iss. 9-10 (2009) p. 1053 - 1055 ISSN: 0004-6337
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