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Showing 1–3 of 3 results
Advanced filters: Author: Anirudh Chiti Clear advanced filters

  • Ten stars in the Large Magellanic Cloud exhibit very low elemental abundances, suggesting that they have experienced enrichment by the earliest generations of stars only. These stars provide a window into a distant region of the high-redshift universe.

    • Anirudh Chiti
    • Mohammad Mardini
    • Joshua D. Simon
    Research
    Nature Astronomy
    Volume: 8, P: 637-647

  • 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

  • It has long been debated whether elements heavier than zinc are formed continually, for example in core-collapse supernovae, or in rare events, such as neutron star mergers; here, studies of element abundances in a local ultrafaint dwarf galaxy provide evidence that these elements are formed during rare yet prolific stellar events.

    • Alexander P. Ji
    • Anna Frebel
    • Joshua D. Simon
    Research
    Nature
    Volume: 531, P: 610-613