Combining polarimetry with space-based photometry and archival spectroscopy has given us an unprecedented understanding of the characteristics and interior structure of the bright β Cephei-type variable star β Crucis.
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References
Aerts, C. Probing the interior physics of stars through asteroseismology. Rev. Mod. Phys. 93, 015001 (2021). This review article describes asteroseismology, its accomplishments and its applications.
Aerts, C. et al. Evidence for binarity and multiperiodicity in the beta Cephei star beta Crucis. Astron. Astrophys. 329, 137–146 (1998). A report of spectroscopy-based asteroseismology of β Crucis.
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Bailey, J., Cotton, D. V., Kedziora-Chudczer, L., De Horta, A. & Maybour, D. HIPPI-2: A versatile high-precision polarimeter. Publ. Astron. Soc. Aust. 37, e004 (2020). This article describes the HIPPI-2 polarimeter and its performance.
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This is a summary of: Cotton, D.V. et al. Polarimetric detection of non-radial oscillation modes in the β Cephei star β Crucis. Nat. Astron. https://doi.org/10.1038/s41550-021-01531-9 (2021)
News & Views: https://doi.org/10.1038/s41550-021-01545-3
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The dawn of polarimetric asteroseismology and its application to blue giant star β Crucis. Nat Astron 6, 24–25 (2022). https://doi.org/10.1038/s41550-021-01547-1
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DOI: https://doi.org/10.1038/s41550-021-01547-1
