Phase Shifts Measured in Evanescent Acoustic Waves above the Solar Photosphere and Their Possible Impacts on Local Helioseismology

A set of 464 minutes of high-resolution high-cadence observations were acquired for a region near the Sun’s disk center using the Interferometric BI-dimensional Spectrometer installed at the Dunn Solar Telescope. Ten sets of Dopplergrams are derived from the bisector of the spectral line correspondi...

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Veröffentlicht in:The Astrophysical journal 2022-07, Vol.933 (1), p.109
Hauptverfasser: Zhao, Junwei, Rajaguru, S. P., Chen, Ruizhu
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Sprache:eng
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