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- Consejo Nacional de Investigaciones Científicas y TécnicasAR636 papers
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6 papers · 1 filter
Evolutionary and pulsational properties of low-mass white dwarf stars with oxygen cores resulting from close binary evolution
L. G. Althaus, A. H. Corsico, A. Gautschy +3
The present work is designed to explore the evolutionary and pulsational properties of low-mass white dwarfs with carbon/oxygen cores. In particular, we follow the evolution of a 0…
The old open clusters Saurer A, B and C revisited
Giovanni Carraro, Gustavo Baume
We report on deep (V 24.0) CCD photometry of 3 fields centered in the regions of the old open clusters Saurer A, B and C. In the case of Saurer A, which is considere…
A study of the two northern open clusters NGC 1582 and NGC 1663
Gustavo Baume, Sandro Villanova, Giovanni Carraro
We present CCD observations obtained in the field of the previously unstudied northern open clusters NGC 1582 and NGC 1663. For the former, we also provide high-resoluti…
NGC 1883: a neglected intermediate-age open cluster located in the outskirts of the Galactic disk
Giovanni Carraro, Gustavo Baume, Sandro Villanova
We report on CCD photometry of a field centered in the region of the open cluster NGC 1883 down to V=21. This cluster has never been studied insofar, and we provide for the f…
New evolutionary models for massive ZZ Ceti stars: I. First results for their pulsational properties
L. G. Althaus, A. M. Serenelli, A. H. Corsico +1
We present new and improved evolutionary calculations for carbon-oxygen white dwarf (WD) stars appropriate for the study of massive ZZ Ceti stars. We follow the complete evolution…
Photometric study of the young open cluster NGC 3293
Gustavo Baume, Ruben Vazquez, Giovanni Carraro +1
Deep and extensive CCD photometric observations were carried out in the area of the open cluster NGC 3293. The new data set allows to see the entire cluster sequen…