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Globular cluster system of M31

Journal Article · · Astrophys. J.; (United States)
DOI:https://doi.org/10.1086/166770· OSTI ID:6553239
Previous data on globular cluster candidates in M31 have been studied in order to identify a large sample of clusters with reliable UBV photometry and independent reddening estimates. The distribution of the intrinsic colors of the M31 globular clusters is similar to that of the Galactic globulars. While the flattening and kinematics of the system of metal-rich clusters suggest a disk, the more metal-poor clusters reveal little evidence for rotation. It is noted that the flattening of the system of metal-poor and intermediate clusters resembles that of the M31 spheroid, and that the effective radius of the intermediate system also resembles that of the spheroid. 51 references.
Research Organization:
Institute for Advanced Study, Princeton, NJ (USA); California Univ., Berkeley (USA)
OSTI ID:
6553239
Journal Information:
Astrophys. J.; (United States), Journal Name: Astrophys. J.; (United States) Vol. 333; ISSN ASJOA
Country of Publication:
United States
Language:
English