An ensemble analysis of 873 O/B stars shows photometric variability in >93%, pulsations in ~82%, and evidence of binarity in at least 14%, including 30 newly discovered eclipsing binaries.
A catalogue and statistical analysis for magnetic stars
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abstract
Magnetic fields are significant in the structure and evolution of stars. We present a comprehensive catalogue of 1784 known magnetic stars, detailing their identifications, HD numbers, precise locations, spectral types, and averaged quadratic effective magnetic fields among other important information. The group comprises 177 O-type stars, 551 B-type stars, 520 A-type stars, 91 F-type stars, 53 G-type stars, 61 K-type stars, 31 M-type stars, and an additional 300 stars whose spectral classification remains indeterminate. Our analysis examines the statistical properties of these magnetic stars. The relative integrated distribution function and number distribution function for all magnetic stars of the same spectral type can be effectively approximated using an exponential function of the averaged quadratic effective magnetic field. The analysis further reveals that A and B-type stars possess the strongest mean magnetic fields, indicating an easier detection of their magnetic fields.
fields
astro-ph.SR 1years
2026 1verdicts
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The symphony of pulsations and binarity among massive stars using HERMES spectroscopy and TESS photometry
An ensemble analysis of 873 O/B stars shows photometric variability in >93%, pulsations in ~82%, and evidence of binarity in at least 14%, including 30 newly discovered eclipsing binaries.