An international team of astrophysicists from the Instituto de Astrofísica de Canarias (IAC), the University of La Laguna (ULL) and the Space Telescope Science...
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NewsRotation found in three galaxies satellites of the Milky Way
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PublicationSEGUE-2: Old Milky Way Stars Near and Far
The Sloan Extension for Galactic Understanding and Exploration 2 (SEGUE-2) obtained 128,288 low-resolution spectra (R ~ 1800) of 118,958 unique stars in the...
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PublicationStar formation in stellar systems
The present volume on stellar formation discusses basic physical principles relevant to such processes, regions of recent star formation, galaxy formation and...
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PublicationStochasticity in galactic models
The effect of a spiral-like perturbation in the orbits of an axisymmetric galactic potential is studied using surfaces of section. It is found that the...
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PublicationSurveying the Galactic plane
This paper discusses the Galactic plane as a case history of the application of different kinds of data bases to the problem of the large-scale Galactic...
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NewsTESS satellite dates an ancient collision with our galaxy
From a single bright star in the constellation of Indus, an international team of scientists led by the University of Birmingham, with the participation of...
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GalleryThe early days of the Milky Way revealed
A study led by researchers from the Instituto de Astrofísica de Canarias (IAC) puts a sequence to the events which gave rise to our Galaxy.
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PublicationThe early nucleosynthesis of O and Fe
The new observational O/Fe vs Fe/H relationship in halo dwarfs is analyzed in terms of a model of chemical evolution for the solar neighborhood. The role of...
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PublicationThe G-dwarf problem - A tentative analytical approach, relaxing instantaneous recycling
The general solution for the birth function B(m,t) of stars, derived by Casuso et al. (1989) was used to obtain a first-order analytical approximation to this...