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A glimpse inside δ Scuti stars

Patterns in the vibrations of stars produce a sort of natural music that offers clues to the stars’ internal structure. Astronomers have identified such patterns for some δ Scuti stars, a group for which this music had been elusive.
  1. József M. Benkő

    1. József M. Benkő is at Konkoly Observatory, Research Centre for Astronomy and Earth Sciences, H-1121 Budapest, Hungary.

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  2. Margit Paparó

    1. Margit Paparó is at Konkoly Observatory, Research Centre for Astronomy and Earth Sciences, H-1121 Budapest, Hungary.

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Our knowledge of the stars is based almost exclusively on the study of their light. But the light that reaches us originates from their upper layers — we can’t see inside. There is, however, a tool we can use to look into the interior of the stars: asteroseismology. Writing in Nature, Bedding et al.1 report that a subgroup of the enigmatic δ Scuti stars exhibits regular pulsations that will finally enable the stars to be probed using this tool.

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Nature 581, 141-142 (2020)

doi: https://doi.org/10.1038/d41586-020-01169-z

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