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Boxy isophotes in face–on views of barred galaxies

Published online by Cambridge University Press:  26 May 2016

Panos A. Patsis ,
Charalampos Skokos  and
E. Athanassoula
Panos A. Patsis
Affiliation:
Research Center of Astronomy, Academy of Athens, Anagnostopoulou 14, GR-10673 Athens, Greece
Charalampos Skokos
Affiliation:
Research Center of Astronomy, Academy of Athens, Anagnostopoulou 14, GR-10673 Athens, Greece
E. Athanassoula
Affiliation:
Observatoire de Marseille, 2 Place Le Verrier, F-13248 Marseille Cedex 4, France

Abstract

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We study the conditions that favour boxiness of isodensities in the face-on views of orbital 3D models for barred galaxies. in particular, we consider several cases with different mass values for the bar, disk and bulge components of the potential, as well as different values of the bar pattern speed. Using orbital weighted profiles of the basic stable periodic orbits of the x1 tree for every model, we show that boxiness is in general a composite effect due to the presence of stable orbits belonging to several 2D and 3D families.

Type
Part 8: Bars
Information
Symposium - International Astronomical Union , Volume 220: Dark Matter in Galaxies , 2004 , pp. 273 - 274
Copyright
Copyright © Astronomical Society of the Pacific 2004 

References

Patsis, P.A., Skokos, Ch., & Athanassoula, E. 2002, MNRAS, 337, 578.Google Scholar
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Skokos, Ch., Patsis, P.A., & Athanassoula, E. 2002b, MNRAS, 333, 861.Google Scholar