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Showing 1–3 of 3 results
Advanced filters: Author: Lina Necib Clear advanced filters

  • Analysis of a catalogue of accreted stars by their radial and prograde motions has identified a 200-plus-member coherent stellar stream (called Nyx) that is likely to be the remnant of a dwarf galaxy that merged with the Milky Way.

    • Lina Necib
    • Bryan Ostdiek
    • Robyn Sanderson
    Research
    Nature Astronomy
    Volume: 4, P: 1078-1083

  • Stars in the Tucana II ultrafaint dwarf galaxy observed out to nine half-light radii reveal the presence of an extended dark matter halo with a total mass of >107 solar masses, consistent with a generalized Navarro–Frenk–White density profile and suggestive of past strong bursty feedback or an early galactic merger.

    • Anirudh Chiti
    • Anna Frebel
    • John E. Norris
    Research
    Nature Astronomy
    Volume: 5, P: 392-400