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Showing 1–3 of 3 results
Advanced filters: Author: Y. Beletsky Clear advanced filters

  • Observations of optical flares from AT2022tsd (the ‘Tasmanian Devil’) show that they have durations on the timescale of minutes, occur over a period of months, are highly energetic, are probably nonthermal and have supernova luminosities.

    • Anna Y. Q. Ho
    • Daniel A. Perley
    • WeiKang Zheng
    Research
    Nature
    Volume: 623, P: 927-931

  • Two sources of variability are reported in extreme horizontal branch (EHB) stars found in globular clusters, both related to the action of weak magnetic fields: large surface spots and very energetic flares. EHB stars in clusters can thus be linked to EHB field stars, and beyond, to other stars with radiative envelopes.

    • Y. Momany
    • S. Zaggia
    • Y. Beletsky
    Research
    Nature Astronomy
    Volume: 4, P: 1092-1101