Astrofísicas: Métodos

  • Publicación
    Euclid preparation. XI. Mean redshift determination from galaxy redshift probabilities for cosmic shear tomography
    The analysis of weak gravitational lensing in wide-field imaging surveys is considered to be a major cosmological probe of dark energy. Our capacity to...
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    Euclid preparation. XV. Forecasting cosmological constraints for the Euclid and CMB joint analysis
    The combination and cross-correlation of the upcoming Euclid data with cosmic microwave background (CMB) measurements is a source of great expectation since it...
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    Euclid preparation. XVI. Exploring the ultra-low surface brightness Universe with Euclid/VIS
    Context. While Euclid is an ESA mission specifically designed to investigate the nature of dark energy and dark matter, the planned unprecedented combination of...
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    Euclid preparation. XXII. Selection of quiescent galaxies from mock photometry using machine learning
    The Euclid Space Telescope will provide deep imaging at optical and near-infrared wavelengths, along with slitless near-infrared spectroscopy, across ~15 000deg...
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    Euclid preparation. XXV. The Euclid Morphology Challenge: Towards model-fitting photometry for billions of galaxies
    The European Space Agency's Euclid mission will provide high-quality imaging for about 1.5 billion galaxies. A software pipeline to automatically process and...
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    Euclid preparation. XXVI. The Euclid Morphology Challenge: Towards structural parameters for billions of galaxies
    The various Euclid imaging surveys will become a reference for studies of galaxy morphology by delivering imaging over an unprecedented area of 15 000 square...
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    Euclid preparation. XXVIII. Forecasts for ten different higher-order weak lensing statistics
    Recent cosmic shear studies have shown that higher-order statistics (HOS) developed by independent teams now outperform standard two-point estimators in terms...
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    Euclid preparation. XXXIII. Characterization of convolutional neural networks for the identification of galaxy-galaxy strong-lensing events
    Forthcoming imaging surveys will increase the number of known galaxy-scale strong lenses by several orders of magnitude. For this to happen, images of billions...
  • Publicación
    Euclid preparation. XXXV. Covariance model validation for the two-point correlation function of galaxy clusters
    Aims: We validate a semi-analytical model for the covariance of the real-space two-point correlation function of galaxy clusters. Methods: Using 1000 PINOCCHIO...