SPHERE/ZIMPOL observations of 47 Cepheids detect companions in 17% of the sample, confirm known ones, reveal new wide components in three stars, and set 5-sigma contrast limits that exclude main-sequence companions more massive than late-K dwarfs beyond 0.5 arcsec for a subset.
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2 Pith papers cite this work. Polarity classification is still indexing.
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Pith papers citing it
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2026 2verdicts
UNVERDICTED 2representative citing papers
PO4NCPA applies model-based RL to focal-plane images via sequential phase diversity to correct static and dynamic NCPAs, achieving near-optimal suppression in simulations for coronagraphic and non-coronagraphic cases.
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High-contrast imaging of Galactic Cepheids with VLT/SPHERE
SPHERE/ZIMPOL observations of 47 Cepheids detect companions in 17% of the sample, confirm known ones, reveal new wide components in three stars, and set 5-sigma contrast limits that exclude main-sequence companions more massive than late-K dwarfs beyond 0.5 arcsec for a subset.