Stellar rotation as a research area investigates the angular momentum content and evolution of stars, its observational diagnostics, and its impact on stellar structure and environments. It encompasses measurement techniques such as line broadening, rotational modulation of photometric and spectroscopic signals, and asteroseismology, as well as modeling of internal differential rotation, angular momentum transport, and magnetic braking. The field examines rotation’s role in dynamo-driven magnetic activity, mass loss, mixing of chemical elements, and evolutionary pathways from pre-main-sequence phases to compact remnants, with implications for stellar populations, gyrochronology, and progenitors of phenomena such as gamma-ray bursts and gravitational-wave sources.
Figuring out the ages of stars is fundamental to understanding many areas of astronomy—yet, it remains a challenge since stellar ages can't be ascertained through observation alone. So, astronomers at the University of Toronto ...
Astronomy
Jul 2, 2025
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116
In just over three years since its launch, NASA's James Webb Space Telescope (JWST) has generated significant and unprecedented insights into the far reaches of space, and a new study by a Kansas State University researcher ...
Astronomy
Mar 12, 2025
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Using the Five-hundred-meter Aperture Spherical radio Telescope (FAST) and by analyzing archival Arecibo Observatory data, astronomers have investigated a distant pulsar designated PSR B1310+18A. Results of the new study, ...
An international team of scientists has modeled the formation and evolution of the strongest magnetic fields in the universe.
Astronomy
Feb 4, 2025
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Using various X-ray space observatories, astronomers from Columbia University in New York and elsewhere have investigated CTCV J2056–3014—an intermediate polar containing one of the fastest-spinning white dwarfs. Results ...
