Four-colour photometry of some globular cluster giants in the Galaxy and the Magellanic Clouds

Details Four-colour photometry of some globular cluster giants in the Galaxy and the Magellanic Clouds Four-colour photometry of some globular cluster giants in the Galaxy and the Magellanic Clouds

Mar 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983a%26a...119...75r&link_type=abstract

Astronomy and Astrophysics, vol. 119, no. 1, Mar. 1983, p. 75-79.

Astronomy and Astrophysics

Astrophysics

24

Astronomical Photometry, Giant Stars, Globular Clusters, Magellanic Clouds, Metallicity, Milky Way Galaxy, Calibrating, Interstellar Extinction, Stellar Evolution

Scientific paper

The Stromgren four-color photometric system is used to establish a photometric metallicity scale for several globular cluster giants in the Galaxy and the Magellanic Clouds. Prelimnary estimations of the metallicities for the Magellanic Cloud clusters are obtained by ranking their m1-values in the galactic scheme. The metallicities of old galactic and young Magellanic Cloud globular clusters are compared without consideration of an absolute calibration. The results of this analysis are compared with the theoretical colors.

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