CCD-photometry of the Galactic globular cluster NGC 2808

Astronomy and Astrophysics – Astrophysics

Scientific paper

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Astronomical Photometry, Charge Coupled Devices, Globular Clusters, Asymptotic Giant Branch Stars, Color-Magnitude Diagram, Interstellar Extinction, Metallicity, Stellar Evolution

Scientific paper

B,V CCD photometry is reported for 5724 stars in the globular cluster NGC 2808. The morphology of the color-magnitude diagram confirms the results presented by Harris (1974, 1975, and 1978). In particular, the peculiar wide gap detected on the horizontal branch is still present; however, it seems more a region of scarce population rather than a zone of avoidance.

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