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Showing 1–5 of 5 results
Advanced filters: Author: Aaron Romanowsky Clear advanced filters

  • The dark-matter-free dwarf galaxies DF2 and DF4 in the NGC 1052 group probably formed together in the aftermath of a single bullet-dwarf collision around eight billion years ago.

    • Pieter van Dokkum
    • Zili Shen
    • Aaron Romanowsky
    ResearchOpen Access
    Nature
    Volume: 605, P: 435-439

  • A bright X-ray outburst from a massive star cluster 12.5 kpc from a galactic centre fits the profile of a tidal disruption event (TDE), indicating the likely presence of an intermediate-mass black hole (IMBH). TDEs could be the most effective way of identifying IMBHs.

    • Dacheng Lin
    • Jay Strader
    • Stephen D. J. Gwyn
    Research
    Nature Astronomy
    Volume: 2, P: 656-661

  • Galaxies normally have far more dark matter than normal matter, but the dynamics of objects within the ultra-diffuse galaxy NGC1052–DF2 suggest that it has a very little dark matter component.

    • Pieter van Dokkum
    • Shany Danieli
    • Jielai Zhang
    Research
    Nature
    Volume: 555, P: 629-632

  • The star formation histories of galaxies, as encapsulated in their integrated optical spectra, depend on the mass of the black holes present at their centres.

    • Ignacio Martín-Navarro
    • Jean P. Brodie
    • Glenn van de Ven
    Research
    Nature
    Volume: 553, P: 307-309