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  • More out of less: an excess... More out of less: an excess integrated Sachs–Wolfe signal from supervoids mapped out by the Dark Energy Survey
    Kovács, A; Sánchez, C; García-Bellido, J ... Monthly notices of the Royal Astronomical Society, 04/2019, Volume: 484, Issue: 4
    Journal Article
    Peer reviewed
    Open access

    Abstract The largest structures in the cosmic web probe the dynamical nature of dark energy through their integrated Sachs–Wolfe imprints. In the strength of the signal, typical cosmic voids have ...
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  • Euclid : Forecasts from red... Euclid : Forecasts from redshift-space distortions and the Alcock–Paczynski test with cosmic voids
    Hamaus, N.; Aubert, M.; Pisani, A. ... Astronomy and astrophysics (Berlin), 02/2022, Volume: 658
    Journal Article
    Peer reviewed
    Open access

    Euclid is poised to survey galaxies across a cosmological volume of unprecedented size, providing observations of more than a billion objects distributed over a third of the full sky. Approximately ...
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  • The DES view of the Eridanu... The DES view of the Eridanus supervoid and the CMB cold spot
    Kovács, A; Jeffrey, N; Gatti, M ... Monthly notices of the Royal Astronomical Society, 12/2021, Volume: 510, Issue: 1
    Journal Article
    Peer reviewed
    Open access

    ABSTRACT The Cold Spot is a puzzling large-scale feature in the Cosmic Microwave Background temperature maps and its origin has been subject to active debate. As an important foreground structure at ...
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  • Euclid : Cosmological forec... Euclid : Cosmological forecasts from the void size function
    Contarini, S.; Verza, G.; Pisani, A. ... Astronomy and astrophysics (Berlin), 2022, Volume: 667
    Journal Article
    Peer reviewed
    Open access

    The Euclid mission – with its spectroscopic galaxy survey covering a sky area over 15 000 deg 2 in the redshift range 0.9 <  z  < 1.8 – will provide a sample of tens of thousands of cosmic voids. ...
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  • Dark Energy Survey Year 1 r... Dark Energy Survey Year 1 results: the lensing imprint of cosmic voids on the cosmic microwave background
    Vielzeuf, P; Kovács, A; Demirbozan, U ... Monthly notices of the Royal Astronomical Society, 01/2021, Volume: 500, Issue: 1
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    Peer reviewed
    Open access

    ABSTRACT Cosmic voids gravitationally lens the cosmic microwave background (CMB) radiation, resulting in a distinct imprint on degree scales. We use the simulated CMB lensing convergence map from the ...
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  • Dark Energy Survey Year 3 r... Dark Energy Survey Year 3 results: Imprints of cosmic voids and superclusters in the Planck CMB lensing map
    Kovács, A; Vielzeuf, P; Ferrero, I ... Monthly notices of the Royal Astronomical Society, 08/2022, Volume: 515, Issue: 3
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    Open access

    ABSTRACT The CMB lensing signal from cosmic voids and superclusters probes the growth of structure in the low-redshift cosmic web. In this analysis, we cross-correlated the Planck CMB lensing map ...
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  • Euclid : Forecasts from the... Euclid : Forecasts from the void-lensing cross-correlation
    Bonici, M.; Davini, S.; Vielzeuf, P. ... Astronomy and astrophysics (Berlin), 02/2023, Volume: 670
    Journal Article
    Peer reviewed
    Open access

    The Euclid space telescope will survey a large dataset of cosmic voids traced by dense samples of galaxies. In this work we estimate its expected performance when exploiting angular photometric void ...
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  • Euclid : Cosmology forecast... Euclid : Cosmology forecasts from the void-galaxy cross-correlation function with reconstruction
    Radinović, S.; Nadathur, S.; Winther, H.-A. ... Astronomy and astrophysics (Berlin), 09/2023, Volume: 677
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    Peer reviewed
    Open access

    We have investigated the cosmological constraints that can be expected from measurement of the cross-correlation of galaxies with cosmic voids identified in the Euclid spectroscopic survey, which ...
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