News
The first post-Kepler brightness dips of KIC 8462852
We present a photometric detection of the first brightness dips of the unique variable star KIC 8462852 since the end of the Kepler space mission in 2013 May...
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NewsTHE FULLERENES AND THE INTERSTELLAR DIFUSE 4430 BAND.Utilizando modelos semiempíricos de los espectros de fotoabsorción de varios fullerenos individuales (C_80, C_240, C_320 y C_540) predecimos transiciones en la...
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NewsThe GALEX/S4G UV-IR color-color diagram: catching Spiral Galaxies away from the Blue Sequence.We obtained GALEX FUV, NUV, and Spitzer/IRAC 3.6 µm photometry for >2000 galaxies, available for 90% of the S4G sample. We find a very tight "GALEX Blue...
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NewsThe GAPS Programme with HARPS-N at TNG. III: The retrograde orbit of HAT-P-18b.The measurement of the Rossiter-McLaughlin effect for transiting exoplanetsplaces constraints on the orientation of the orbital axis with respect to the stellar...
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NewsThe hypergiant HR 8752 evolving through the yellow evolutionary void.Context. We study the time history of the yellow hypergiant HR 8752 based on high-resolution spectra (1973-2005), the observed MK spectral classification data...
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NewsThe IACOB project: II. On the scatter of O-dwarf spectral type - effective temperature calibrations.We are now in an era of large spectroscopic surveys of OB-type stars. Quantitative spectroscopic analysis of these modern datasets is enabling us to review the...
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NewsThe impact of deep learning for the analysis of galaxy surveysThe amount and complexity of data delivered by modern galaxy surveys has been steadily increasing over the past years. New facilities will soon provide imaging...
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NewsThe impact of strong recombination on temperature determination in planetary nebulaeThe long-standing difference in chemical abundances determined from optical recombination lines and collisionally excited lines raises questions about our...
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NewsThe impact of the Kasatochi eruption on the Moon's illumination during the August 2008 lunar eclipse.The Moon's changeable aspect during a lunar eclipse is largely attributable to variations in the refracted unscattered sunlight absorbed by the terrestrial...