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AM 1934-563: A giant spiral polar-ring galaxy in a triplet
V. Reshetnikov, F. Bournaud, F. Combes +2
We have observed the emission-line kinematics and photometry of a southern triplet of galaxies. The triplet contains a giant spiral galaxy AM 1934-563 which optical structure resem…
The life-time of galactic bars: central mass concentrations and gravity torques
F. Bournaud, F. Combes, B. Semelin
Bars in gas-rich spiral galaxies are short-lived. They drive gas inflows through their gravity torques, and at the same time self-regulate their strength. Their robustness has been…
Lopsided spiral galaxies: evidence for gas accretion
F. Bournaud, F. Combes, C. J. Jog +1
We quantify the degree of lopsidedness for a sample of 149 galaxies observed in the near-infrared from the OSUBGS sample, and try to explain the physical origin for the observed di…
Galaxy mergers with various mass ratios: properties of remnants
F. Bournaud, C. J. Jog, F. Combes
We study galaxy mergers with various mass ratios using N-body simulations, with an emphasis on the unequal-mass mergers in the relatively unexplored range of mass-ratios 4:1-10:1.…