Stellar Clusters in the Outermost Milky Way Galaxy

Autor: Don A. VandenBerg, P. B. Stetson, Jennifer A. Johnson, Harvey B. Richer, M. Bolte, James E. Hesser, Howard E. Bond, S. van den Bergh, L. E. Fullton, William E. Harris, G. G. Fahlman, Roger A. Bell
Rok vydání: 1999
Předmět:
Zdroj: Symposium - International Astronomical Union. 192:85-88
ISSN: 0074-1809
DOI: 10.1017/s007418090020394x
Popis: HST V, I color-magnitude diagrams (CMDs) of four outer-halo clusters, NGC 2419, Pa13, Pal4 and Eridanus, provide insight into the relative ages of old star clusters throughout the 200 kpc diameter volume sampled, and thus into the formation epoch of the Milky Way galaxy.
Databáze: OpenAIRE