4 papers · 1 filter
ISOCAM images at 6.75 and 15 microns: the circumnuclear region of NGC 4321 (M 100)
H. Wozniak, D. Friedli, L. Martinet +1
We present ISOCAM images (1.5"/px) in the LW2 (6.75 microns) and LW3 (15 microns) broad band filters of the circumnuclear starburst of NGC 4321 (M 100). A detailed comparison with…
Bar strength and star formation activity in late-type barred galaxies
L. Martinet, D. Friedli
With the prime aim of better probing and understanding the intimate link between star formation activity and the presence of bars, a representative sample of 32 non-interacting lat…
Disc galaxies with multiple triaxial structures. II. JHK surface photometry and numerical simulations
D. Friedli, H. Wozniak, M. Rieke +2
We present detailed JHK surface photometry with ellipse fits of 13 galaxies selected from previous optical observations as likely candidates for having a secondary bar or a triaxia…
Evidences of Secular Dynamical Evolution in Disk Galaxies
Louis Martinet
After a recall of fundamental concepts used in galactic dynamics, we review observational facts as well as results of orbit theory and numerical simulations which suggest long-term…