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- W3186145816 endingPage "112" @default.
- W3186145816 startingPage "112" @default.
- W3186145816 abstract "Abstract High-precision photometric observations have revealed ubiquitous stochastic low-frequency photometric variability in early-type stars. It has been suggested that this variability arises due to either subsurface convection or internal gravity waves launched by the convective core. Here we show that relevant properties of convection in subsurface convective layers correlate very well with the timescale and amplitude of stochastic low-frequency photometric variability, as well as with the amplitude of macroturbulence. We suggest that low-frequency, stochastic photometric variability and surface turbulence in massive stars are caused by the presence of subsurface convection. We show that an explanation for the observed surface photometric variability and macroturbulence relying on convective core driven internal gravity waves encounters a number of difficulties and seems unlikely to be able to explain the observed trends." @default.
- W3186145816 created "2021-08-02" @default.
- W3186145816 creator A5014376782 @default.
- W3186145816 creator A5043387043 @default.
- W3186145816 creator A5055599272 @default.
- W3186145816 creator A5061705869 @default.
- W3186145816 date "2021-07-01" @default.
- W3186145816 modified "2023-10-18" @default.
- W3186145816 title "On the Origin of Stochastic, Low-Frequency Photometric Variability in Massive Stars" @default.
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