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Showing 1–3 of 3 results
Advanced filters: Author: Mathilde Jauzac Clear advanced filters

  • An individual star at z = 1.49 is gravitationally lensed and highly magnified by a foreground galaxy cluster. Fluctuations in the star’s emission provide insight on the mass function of intracluster stars, compact objects and the presence of dark-matter subhaloes.

    • Patrick L. Kelly
    • Jose M. Diego
    • Benjamin J. Weiner
    Research
    Nature Astronomy
    Volume: 2, P: 334-342

  • In the local Universe, the census of all observed baryons falls short of the estimated number by a factor of two, and simulations have indicated that the missing baryons reside throughout the filaments of the cosmic web; X-ray observations of filamentary structures associated with the galaxy cluster Abell 2744 now find that 5 to 10 per cent of the filament mass is in the form of baryonic gas.

    • Dominique Eckert
    • Mathilde Jauzac
    • Céline Tchernin
    Research
    Nature
    Volume: 528, P: 105-107