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astro-ph.SR2021
OO Dra: an Algol-type binary formed through an extremely helium-poor mass accretion revealed by asteroseismology
Xinghao Chen, Xiaobin Zhang, Yan Li +4
Based on the two-minutes TESS data, we analyzed intrinsic oscillations of the primary component and identified seven confident independent Scuti frequencies (, , $f_3…
astro-ph.SR2021
Can small-scale magnetic fields be the major cause for the near-surface effect of the solar p-mode frequencies?
Yan Li, Qian-sheng Zhang, Tao Wu +5
Small-scale magnetic fields are not only the fundamental element of the solar magnetism, but also closely related to the structure of the solar atmosphere. The observations have sh…