Stellar models require a convective step-overshoot of 1.2 to match the observed k2 in HD 152248, showing that standard models produce insufficient core-to-envelope density contrast in massive stars.
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Tayler-Spruit magnetic fields can convert low-frequency internal gravity waves to magneto-gravity waves in low-mass star cores, with effects strongest on the red giant branch in central regions.
Rotating stellar models initialized with observed velocity distributions yield modestly lower initial mass estimates for SN II progenitors than non-rotating models, with an upper limit of 20.4 solar masses.
citing papers explorer
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The Beauty of k2: Probing Stellar Interiors Using Apsidal Motion. I. The Benchmark Massive Binary HD 152248
Stellar models require a convective step-overshoot of 1.2 to match the observed k2 in HD 152248, showing that standard models produce insufficient core-to-envelope density contrast in massive stars.
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Co-existence of Internal Gravity Waves and Tayler-Spruit Magnetic Fields in the Radiative Core of Low-mass Stars
Tayler-Spruit magnetic fields can convert low-frequency internal gravity waves to magneto-gravity waves in low-mass star cores, with effects strongest on the red giant branch in central regions.
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Impact of stellar rotation on type II supernova progenitor masses from pre-explosion imaging
Rotating stellar models initialized with observed velocity distributions yield modestly lower initial mass estimates for SN II progenitors than non-rotating models, with an upper limit of 20.4 solar masses.