Astronomy and Astrophysics – Astronomy
Scientific paper
Jul 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008iaus..245..129a&link_type=abstract
Formation and Evolution of Galaxy Bulges, Proceedings of the International Astronomical Union, IAU Symposium, Volume 245, p. 129
Astronomy and Astrophysics
Astronomy
Infrared: Galaxies, Methods: Data Analysis, Galaxies: Photometry, Galaxies: Evolution, Galaxies: Structure, Galaxies: Spiral, Galaxies: Bulges, Instabilities
Scientific paper
The thickening of the bar in barred disk galaxies has a strong influence in shaping the morphology in the inner regions of a disk galaxy above the galactic plane. The result of such a secular evolutionary process can be observed in galaxies with box/peanut shaped (b/ps) bulges. We have applied a one dimensional fitting method to our sample of 30 edge on disk galaxies using different fitting function approaches. A clear increase in scale height can be observed in the area of the most prominent b/ps isophotes compared to the neighbouring disk and bulge areas, in agreement with the predictions of the bar thickening model.
Aronica Giuseppe
Athanassoula Evangelia
Bureau Martin
Dettmar Ralf-Juergen
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