Astrofísicas: Cosmología

  • Publicación
    Studies of cosmic microwave background structure at Dec.=+40 deg - I. The performance of the Tenerife experiments
    The direct identification of structure in the cosmic microwave background (CMB) is a major objective of observational cosmology. We present a detailed...
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    Studies of cosmic microwave background structure at Dec.=+40 deg - II. Analysis and cosmological interpretation
    We present a detailed analysis of the cosmic microwave background (CMB) structure in the Tenerife Dec.=+40 deg data. The effect of local atmospheric...
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    Study of the Extended Narrow-Line Region in the Host Galaxy of the Lensed QSO 2237+0305 (z = 1.69)
    The detection of spatially extended line emission in multiply imaged QSOs offers a new possibility to study the properties (kinematics and structure) of the...
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    Subarcsecond Optical Images of the Radio Gravitational Lens B1152+199
    We present R-band observations of the Cosmic Lens All-Sky Survey gravitational lens system B1152+199, obtained with the active optics system at the Telescopio...
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    Superclustering with the Atacama Cosmology Telescope and Dark Energy Survey. I. Evidence for Thermal Energy Anisotropy Using Oriented Stacking
    The cosmic web contains filamentary structure on a wide range of scales. On the largest scales, superclustering aligns multiple galaxy clusters along...
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    Support for the Gravitational Lens Interpretation of SBS 0909+532
    The system SBS 0909+532A, B is a double consisting of a quasar and a fainter component that was, until now, spectroscopically unresolved. Spectra taken in good...
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    SWIRE: The SIRTF Wide-Area Infrared Extragalactic Survey
    The SIRTF Wide-Area Infrared Extragalactic Survey (SWIRE), the largest SIRTF Legacy program, is a wide-area imaging survey to trace the evolution of dusty, star...
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    Synthetic galaxy clusters and observations based on Dark Energy Survey Year 3 Data
    We develop a novel data-driven method for generating synthetic optical observations of galaxy clusters. In cluster weak lensing, the interplay between analysis...
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    Target Selection and Validation of DESI Luminous Red Galaxies
    The Dark Energy Spectroscopic Instrument (DESI) is carrying out a five-year survey that aims to measure the redshifts of tens of millions of galaxies and...