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Age -- Metallicity relation in the MCs clusters (Based on observations made with the Danish 1.54 m and ESO 3.6m Telescopes at La Silla Observatory, Chile)
E. Livanou, A. Dapergolas, M. Kontizas +5
Aims: To investigate a possible dependence between age and metallicity in the Magellanic Clouds (MCs) from a study of small open star clusters, using Strömgren photometry. Our goal…
A semi-empirical library of galaxy spectra for Gaia classification based on SDSS data and PEGASE models
P. Tsalmantza, A. Karampelas, M. Kontizas +6
Aims:This paper is the third in a series implementing a classification system for Gaia observations of unresolved galaxies. The system makes use of template galaxy spectra in order…
Star complexes and stellar populations in NGC 6822 - Comparison with the Magellanic Clouds
A. Karampelas, A. Dapergolas, E. Kontizas +4
The star complexes (large scale star forming regions) of NGC 6822 were traced and mapped and their size distribution was compared with the size distribution of star complexes in th…