Aims:A recent catalogue by Flesch & Hardcastle presents two major anomalies in the spatial distribution of QSO candidates: i) an apparent excess of such objects...
-
PublicaciónAnalysis of possible anomalies in the QSO distribution of the Flesch & Hardcastle catalogue
-
PublicaciónAnalysis of the CN and CH Molecular Band Strengths in Stars of the Open Cluster NGC 6791
Low-resolution SDSS/SEGUE spectra have been used to study the behavior of the strengths of the CN and CH molecular bands in stars at different evolutionary...
-
PublicaciónAndromeda II as a merger remnant
Using N-body simulations, we study the origin of prolate rotation observed in the kinematic data for Andromeda II (And II), a dwarf spheroidal satellite of M31...
-
PublicaciónAngular Size Test on the Expansion of the Universe
Assuming the standard cosmological model to be correct, the average linear size of the galaxies with the same luminosity is six times smaller at z = 3.2 than at...
-
GaleríaAnimaciones galaxias
Animaciones hechas en el IAC entre 2000 y 2007
-
PublicaciónAnisotropic satellite accretion on to the Local Group with HESTIA
How the cosmic web feeds haloes, and fuels galaxy formation is an open question with wide implications. This study explores the mass assembly in the Local Group...
-
PublicaciónAnomalous Cepheids in the Large Magellanic Cloud. Insight into their origin and connection with the star formation history
Context. The properties of variable stars can give independent constraints on the star formation history of the host galaxy, by determining the age and...
-
PublicaciónAPOGEE Chemical Abundance Patterns of the Massive Milky Way Satellites
The SDSS-IV Apache Point Observatory Galactic Evolution Experiment (APOGEE) survey has obtained high-resolution spectra for thousands of red giant stars...
-
PublicaciónAPOGEE chemical abundances of globular cluster giants in the inner Galaxy
We report chemical abundances obtained by Sloan Digital Sky Survey (SDSS)-III/Apache Point Observatory Galactic Evolution Experiment for giant stars in five...