Gaia and TESS reveal over 58,000 hot pulsating stars
Published on:
2 May 2024
Primary Category:
Solar and Stellar Astrophysics
Paper Authors:
Daniel Hey,
Conny Aerts
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Key Details
Gaia DR3 light curves detect pulsation modes at 80% frequency accuracy
Majority of Gaia classifications consistent with higher-precision TESS
Continuous distribution of g-mode pulsators across B/A/F types
6,000 new gamma Dor, 20,000 delta Sct, 1,500 new SPB stars
Rank-ordered catalog aids selection for asteroseismic modeling
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AI generated summary
Gaia and TESS reveal over 58,000 hot pulsating stars
The Gaia and TESS missions have revealed over 58,000 hot pulsating stars of spectral type O, B, A or F. By comparing Gaia's low-cadence light curves to TESS's precision photometry, the pulsation frequencies and nature of variability for these stars is conclusively determined. Four new catalogs provide the confirmed pulsators, frequencies, and priority for future ensemble asteroseismology.
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