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Quadratic Frequency Dispersion in the Oscillations of Intermediate-mass Stars

  • Authors: Subrata Kumar Panda, Shravan Hanasoge, Siddharth Dhanpal, Vageesh D. C.

Subrata Kumar Panda et al 2024 The Astrophysical Journal Letters 975 .

  • Provider: AAS Journals

Caption: Figure 3.

Frequencies of = 0 modes as a function of radial order n for a δ Scuti–like star of M = 1.9 M , Y i = 0.30, and Z i = 0.020 at the age of 526.4 Myr, computed using MESA and GYRE. We implemented a uniform rotation rate of 1.0 day−1 using the traditional approximation available in GYRE. No quadratic frequency dispersion was observed, even in the nonasymptotic regime.

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