Astrofísicas: Cosmología

  • Publicación
    Sampling error of two-point correlation functions
    The question of which estimator of the two-point correlation function has the smallest sampling error is discussed. An expression is given for this smallest...
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    SCUBA-2 Ultra Deep Imaging EAO Survey (STUDIES): Faint-end Counts at 450 μm
    The SCUBA-2 Ultra Deep Imaging EAO Survey (STUDIES) is a three-year JCMT Large Program aiming to reach the 450 μm confusion limit in the COSMOS-CANDELS region...
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    SDSS-III Baryon Oscillation Spectroscopic Survey Data Release 12: galaxy target selection and large-scale structure catalogues
    The Baryon Oscillation Spectroscopic Survey (BOSS), part of the Sloan Digital Sky Survey (SDSS) III project, has provided the largest survey of galaxy redshifts...
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    SDSS-III: Massive Spectroscopic Surveys of the Distant Universe, the Milky Way, and Extra-Solar Planetary Systems
    Building on the legacy of the Sloan Digital Sky Survey (SDSS-I and II), SDSS-III is a program of four spectroscopic surveys on three scientific themes: dark...
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    Searches for signatures of ultralight axion dark matter in polarimetry data of the European Pulsar Timing Array
    Ultralight axionlike particles (ALPs) can be a viable solution to the dark matter problem. The scalar field associated with ALPs, coupled to the electromagnetic...
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    Searching for non-Gaussianity in the Very Small Array data
    We have tested Very Small Array (VSA) observations of three regions of sky for the presence of non-Gaussianity, using high-order cumulants, Minkowski...
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    Secondary halo bias through cosmic time. I. Scaling relations and the connection with the cosmic web
    Context. The spatial distribution of dark matter halos carries cosmological and astrophysical information. Cosmological information can be considered to be...
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    Sensitivity Modeling for LiteBIRD
    LiteBIRD is a future satellite mission designed to observe the polarization of the cosmic microwave background radiation in order to probe the inflationary...
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    Simultaneous modelling of matter power spectrum and bispectrum in the presence of baryons
    We demonstrate that baryonification algorithms, which displace particles in gravity-only simulations according to physically motivated prescriptions, can...