Magnetic fields in six of nine T-Tauri stars show rotationally modulated variability that evolves in strength and spatial distribution over year-long baselines, with magnetic filling factors larger than temperature-derived spot areas.
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Magnetically-driven protostellar jets transport sufficient angular momentum outward to prevent massive protostars from reaching critical rotation speeds, with jet strength linked to initial formation conditions producing a variety of final stellar rotation rates.
Laboratory experiments demonstrate that stellar-strength magnetic fields fully suppress coronal mass ejection propagation through kink instability.
JWST spectra of EC 53 indicate CO fundamental and H2O bending absorption weaken by ~2 during burst due to continuum dilution, with relative veiling yielding hot-continuum ratios of 2.9 and 1.71 and viscous-disk accretion-rate ratios of ~3.6 and ~2.0.
citing papers explorer
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Rotational Modulation and Long-Term Variability of Magnetic Fields in T-Tauri Stars with IGRINS
Magnetic fields in six of nine T-Tauri stars show rotationally modulated variability that evolves in strength and spatial distribution over year-long baselines, with magnetic filling factors larger than temperature-derived spot areas.
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On the origin of the rotation of massive stars
Magnetically-driven protostellar jets transport sufficient angular momentum outward to prevent massive protostars from reaching critical rotation speeds, with jet strength linked to initial formation conditions producing a variety of final stellar rotation rates.
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EPISODE II: Variability in the CO and H$_2$O rovibrational absorption lines in a periodically variable protostar EC 53
JWST spectra of EC 53 indicate CO fundamental and H2O bending absorption weaken by ~2 during burst due to continuum dilution, with relative veiling yielding hot-continuum ratios of 2.9 and 1.71 and viscous-disk accretion-rate ratios of ~3.6 and ~2.0.