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Star clusters as tracers of galactic subsystems

Published online by Cambridge University Press:  07 August 2017

B. Barbuy,
E. Bica and
S. Ortolani
B. Barbuy
Affiliation:
IAG-USP, S. Paulo
E. Bica
Affiliation:
UFRGS, Porto Alegre, Brazil
S. Ortolani
Affiliation:
U. Padova, Italy

Abstract

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We have obtained CCD BVRI colour-magnitude diagrams for a series of disk globular clusters, improving parameters and detecting a new one: Lyngå 7. Using the magnitude difference between turn-off and horizontal branch Δ(TO-HB) as an age discriminator, and their spatial distribution we compare old disk open clusters, young halo globular clusters, and metal-rich disk globular clusters, obtaining clues to the Galaxy formation process.

Information

Type
Contributed Papers
Information
Symposium - International Astronomical Union , Volume 153: Galactic Bulges , 1993, pp. 323 - 324
Copyright
Copyright © Kluwer 1993 

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