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Metal Rich RR Lyrae Variables: I. The Evolutionary Scenario
Giuseppe Bono, Filippina Caputo, Santi Cassisi +2
This paper presents evolutionary computations which investigate the theoretical predictions concerning metal rich RR Lyrae pulsators found both in the Galactic field and in the Gal…
Second Overtone Pulsators Among Delta Scuti Stars
Giuseppe Bono, Filippina Caputo, Santi Cassisi +3
We investigate the modal stability of stellar models at masses and luminosity levels corresponding to post main sequence luminous delta scuti pulsators. The envelope models have be…
"Not too old" metal deficient stellar populations: the case of metallicity Z=0.00001
S. Cassisi, M. Castellani, V. Castellani
We investigate the evolution of metal deficient stellar structures, presenting H-burning isochrones covering cluster ages from 800 Myr to 7 Gyr. Evolutionary evidences for selectio…