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Stroemgren photometry of the Bulge: the Baade's Window and the globular cluster NGC 6522
A. Calamida, G. Bono, C. E. Corsi +11
We present Ca-uvby Stroemgren photometry of the Baade's Window, including the Galactic globular cluster NGC 6522. We separate field and cluster stars by adopting color-color planes…
On a new theoretical calibration of the Stroemgren hk metallicity index: NGC6522 as a first test case
A. Calamida, G. Bono, C. Corsi +11
We present a new theoretical calibration of the Stroemgren metallicity index hk by using alpha-enhanced evolutionary models transformed into the observational plane by using atmosp…
A UBVI and uvbyCaHbeta Analysis of the Intermediate-Age Open Cluster, NGC 5822
Giovanni Carraro, Barbara J. Anthony-Twarog, Edgardo Costa +2
NGC 5822 is a richly populated, moderately nearby, intermediate-age open cluster covering an area larger than the full moon on the sky. A CCD survey of the cluster on the UBVI and…