| Issue |
A&A
Volume 369, Number 3, April III 2001
|
|
|---|---|---|
| Page(s) | 1112 - 1121 | |
| Section | Atomic, molecular, and nuclear data | |
| DOI | https://doi.org/10.1051/0004-6361:20010166 | |
| Published online | 15 April 2001 | |
Spiral windows for escaping stars
1
Depto. de Matemática A., University of Alicante, PO Box 99, 03080, Alicante, Spain
2
Dépt. de Mathématique, University of Namur, 8 rempart de la Vierge, 5000, Namur, Belgium
Corresponding author: J. Henrard, jacques.henrard@fundp.ac.be
Received:
27
November
2000
Accepted:
23
January
2001
The "escape windows"through which stars may escape from a galaxy are investigated by means of Poincaré sections of a simplified axi-symmetric model of the potential. The spiral shape of the windows are analyzed in details by constructing a normal form in the vicinity of an unstable periodic orbit.
Key words: celestial mechanics / galaxies: clusters: general / galaxies: general
© ESO, 2001
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.