Galactic distribution of the oldest open clusters.
Abstract
The oldest known open clusters are found to be strongly concentrated in the outer part of the galactic disk. It is suggested that the relatively high survival rate of clusters in the outer disk might possibly be due to the fact that such objects suffer relatively few disruptive encounters with giant molecular clouds which are mainly located in the inner disk of the Galaxy.
- Publication:
-
Astronomy and Astrophysics
- Pub Date:
- August 1980
- Bibcode:
- 1980A&A....88..360V
- Keywords:
-
- Milky Way Galaxy;
- Open Clusters;
- Star Distribution;
- Stellar Evolution;
- Hertzsprung-Russell Diagram;
- Spatial Distribution;
- Astronomy