Tipo de publicación: Sin árbitro

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    The abundance discrepancy in ionized nebulae: which are the correct abundances?
    Ionized nebulae are key to understanding the chemical composition and evolution of the Universe. Among these nebulae, H II regions and planetary nebulae are...
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    The abundance of primordial helium: a keystone in our understanding of the Universe
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    The Abundances of Oxygen and Carbon in the Solar Photosphere
    A series of recent studies has placed the best estimates of the photospheric abundances of carbon and oxygen at log ɛ =8.39 and 8.66, respectively. These values...
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    The acoustic cutoff frequency of the Sun and the solar cycle
    The acoustic cutoff frequency - highest frequency for acoustic solar eigenmodes-is an important parameter of the solar atmosphere because it determines the...
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    The acoustic low-degree modes of the Sun measured with 14 years of continuous GOLF & VIRGO measurements
    The helioseismic Global Oscillation at Low Frequency (GOLF) and the Variability of solar Irradiance and Gravity Oscillations (VIRGO) instruments onboard SoHO...
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    The ACS LCID project: accurate measurements of the full star formation history in low metallicity, isolated, Local Group dwarf galaxies
    We present here the latest results of the LCID project (Local Cosmology from Isolated Dwarfs), aimed at recovering the full star formation history (SFH) of six...
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    The ACS LCID project: data reduction strategy
    During Cycle 14 a total of 113 HST orbits were secured to observe five isolated dwarf galaxies, namely Tucana, LGS3, LeoA, IC1613, and Cetus. The aim of the...
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    The ACS LCID Project: Old Main Sequence Turnoff Photometry of Isolated Local Group Dwarf Galaxies
    The details of the early star formation history of isolated dwarf galaxies can shed light on the role of the cosmic re-ionization and supernova feedback in...
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    The ACS LCID project: overview and first results
    The star formation history (SFH) of Local Group galaxies is a powerful tool for studying their evolution, including chemical enrichment histories and stellar...