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Showing 1–4 of 4 results
Advanced filters: Author: Lukas J. Furtak Clear advanced filters

  • JWST/NIRSpec observations of Abell2744-QSO1 show a high black-hole-to-host mass ratio in the early Universe, which indicates that we are seeing the black hole in a phase of rapid growth, accreting at 30% of the Eddington limit.

    • Lukas J. Furtak
    • Ivo Labbé
    • Christina C. Williams
    Research
    Nature
    Volume: 628, P: 57-61

  • An analysis of eight ultra-faint galaxies during the epoch of reionization with absolute magnitudes between −17 mag and −15  mag shows that most of the photons that reionized the Universe come from dwarf galaxies.

    • Hakim Atek
    • Ivo Labbé
    • Katherine E. Whitaker
    Research
    Nature
    Volume: 626, P: 975-978

  • The JWST, with the aid of gravitational lensing, confirms the extreme distance of an ultra-faint galaxy at a redshift of 9.79, showing it to have a luminosity typical of the sources responsible for cosmic reionization and highly compact and complex morphology.

    • Guido Roberts-Borsani
    • Tommaso Treu
    • Rogier A. Windhorst
    Research
    Nature
    Volume: 618, P: 480-483