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Negative / Null Result ReportOpen accessPhysics

On the Properties of Blue Large-Amplitude Pulsators. No BLAPs in the Magellanic Clouds

Pawel Pietrukowicz · 2018 · arXiv

WASTE classifies this as Negative / Null Result Report · AI classification, approximate

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Abstract (excerpt)

We present the properties of the recently discovered class of variable stars, Blue Large-Amplitude Pulsators (BLAPs). These extremely rare, short-period pulsating objects were detected thanks to regular, high-cadence observations of hundreds of millions of Milky Way stars by the OGLE variability survey. The new variables closely resemble classical pulsators, Cepheids, and RR Lyrae-type stars, but at effective temperatures at which pulsations are due to the presence of iron-group elements. Theory shows that BLAPs are evolved low-mass stars with a giant-like structure, but their origin remains a

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Metadata source: arXiv