We present the low-resolution transmission spectra of the puffy hot Jupiter HAT-P-65b (0.53 MJup, 1.89 RJup, Teq = 1930 K), based on two transits observed using...
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NewsDetection of TiO and Na in the atmosphere of the hot Jupiter HAT-P-65b
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NewsDetermination of O and Fe abundances in the metal poor stars
The abundances of oxygen and iron in metal-poor stars have been determined through non-LTE radiative transfer simulations in three-dimensional (3D)...
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NewsDetermination of oxygen abundances in stars with planets
A study comparing the oxygen abundance of stars with planets to stars without planets has been completed. By looking at various indicators of the O abundance...
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NewsDetermination of the range of masses for the compact object in binary r-X 2S 0921-630
The range of masses for the compact object in binary r-X 2S 0921-630 has been determined (between 2.0-4.3 solar masses), consistent with a massive neutron star...
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NewsDEVELOPMENT OF HIGH SPATIAL RESOLUTION SYSTEMS.
Un instrumento cute-SCIDAR, desarrollado por el IAC, se ha probado recientemente (Nov 2007) con éxito en el Observatorio del Paranal. Este instrumento...
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NewsDevelopment of the IAC-STAR public programme
A public programme (IAC-STAR) has been developed for generating of HR and C-M synthetic diagrams to investigate problems of star formation and population...
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NewsDiffuse interstellar bands in proto-fullerene circumstellar environments.
Fullerenes and fullerene-related molecules have been proposed as explanations for unidentified astronomical features such as the intense UV absorption band at...
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NewsDiscovered one of the brightest distant galaxies so far known
In the phenomenon of gravitational lensing, predicted by Einstein's General Theory of Relativity, the mass of a galaxy acts on the light of a more distant...
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NewsDiscovery of a massive supercluster system at z=0.47
Superclusters are the largest over-dense, relatively isolated systems in the cosmic web. They provide us invaluable information about the large-scale structure...