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15 papers · 2 filters
Galactic chemical abundance evolution in the solar neighborhood up to the Iron peak
Andreu Alibes, Javier Labay, Ramon Canal
We have developed a detailed standard chemical evolution model to study the evolution of all the chemical elements up to the iron peak in the solar vicinity. We consider that the G…
Superfluidity in Neutron Star Matter
U. Lombardo, H. -J. Schulze
Superfluidity of nuclear matter relevant for neutron star physics is reviewed.
Metal abundance of the eclipsing binary YZ Cas: discrepancy between atmospheric determinations for the Am component
E. Lastennet, D. Valls-Gabaud, C. Jordi
We review current and new estimates of the eclipsing binary YZ Cassiopeiae metallicity (Z). Since the individual components cover a quite large range of mass (1.35-2.31 Solar masse…
Period-Luminosity-Colour distribution and classification of Galactic oxygen-rich LPVs II
D. Barthes, X. Luri
The kinematic and Period-Luminosity-Colour distribution of O-rich Long-Period Variable stars of the solar neighbourhood is interpreted in terms of pulsation modes, masses and metal…
Spiral structure parameters in the solar neighbourhood
D. Fernandez, X. Luri, F. Figueras +1
Two samples of O- and B-type stars and Cepheids with Hipparcos data have been used to characterize galactic rotation and spiral arm kinematics in the solar neighbourhood. An extens…
Identification of the companion stars of Type Ia supernovae
R. Canal, J. Mendez, P. Ruiz-Lapuente
The nature of the binary systems giving rise to Type Ia supernovae (SNeIa) remains an unsolved problem. In this {\it Letter} we calculate, from the statistics of initial conditions…