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astro-ph1997
Making Spirals with Counter-Rotating Disks, the case of NGC 4550
D. Pfenniger
A single merger scenario for making galaxies such as NGC 4550 possessing equal coplanar counter-rotating stellar disks is investigated by collisionless N-body technique. The scenar…
astro-ph1997
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…
astro-ph1997
Perspectives for detecting cold H2 in outer galactic disks
F. Combes, D. Pfenniger
We review here the main direct or indirect ways to detect the possible presence of large amounts of cold molecular hydrogen in the outer parts of disk galaxies, an hypothesis that…