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UrduCal State Fullerton physicists are on the forefront of a new discovery of gravitational waves from two compact cosmic objects not seen by scientists before.
Tag: Neutron Star
Finding new physics in debris from colliding neutron stars
Neutron star mergers are a treasure trove for new physics signals, with implications for determining the true nature of dark matter, according to research from physicist Bhupal Dev at Washington University in St. Louis.
El nacimiento de un monstruo magnético
Un equipo de investigadores, que incluía al astrónomo de NOIRLab André-Nicolas Chené, descubrió una inusual estrella con el campo magnético más poderoso jamás encontrado en una estrella masiva, que podría convertirla en uno de los objetos más magnéticos de todo el Universo, es decir, una variante de una estrella de neutrones conocida como “magnétar”. El hallazgo marca el descubrimiento de un nuevo tipo de objeto astronómico, una estrella de helio magnética masiva, y provee información sobre el origen de los magnétares.
Astronomers Find Progenitor of Magnetic Monster
A team of researchers, including NOIRLab astronomer André-Nicolas Chené, has found a highly unusual star that has the most powerful magnetic field ever found in a massive star — and that may become one of the most magnetic objects in the Universe: a variant of a neutron star known as a magnetar. This finding marks the discovery of a new type of astronomical object — a massive magnetic helium star — and sheds light on the origin of magnetars.
Sudden Spin-down Event Illuminates Magnetar Mystery
A new paper published in Nature Astronomy is shedding light on magnetars, whose attributes remain poorly understood. A magnetar is a type of neutron star with an extremely strong magnetic field that rotates once every two to ten seconds. Researchers…
Strange Radio Burst Raises New Questions
A highly active repeating Fast Radio Burst is raising new questions about the nature of such objects, and also raising doubts about their usefulness as cosmic yardsticks.
New insights into behavior of ultra-dense star core
Neutron stars are often gravitationally locked with another star and over time siphon off some of the other star’s outermost surfaces. Now, a scientist at PPPL has helped explain two phenomena associated with this process that have long baffled researchers.
Staring into space: Physicists predict neutron stars may be bigger than previously imagined
That neutron star is the densest celestial body that astronomers can observe, with a mass about 1.4 times the size of the sun. However, there is still little known about these impressive objects. Now, a Florida State University researcher has published a piece in Physical Review Letters arguing that new measurements related to the neutron skin of a lead nucleus may require scientists to rethink theories regarding the overall size of neutron stars. In short, neutron stars may be larger than scientists previously predicted.
Study: X-Rays Surrounding ‘Magnificent 7’ May Be Traces of Sought-After Particle
A new study, led by a theoretical physicist at Berkeley Lab, suggests that never-before-observed particles called axions may be the source of unexplained, high-energy X-ray emissions surrounding a group of neutron stars.
Looking skin deep at the growth of neutron stars
Researchers leveraged data from nuclear scattering experiments to make stringent constraints on how neutrons and protons arrange themselves in the nucleus. Their predictions are tightly connected to how large neutron stars grow and what elements are likely synthesized in neutron star mergers.
New NSF Physics Frontier Center Will Focus on Neutron Star Modeling in ‘Gravitational Wave Era’
A new Physics Frontier Center at UC Berkeley, supported by the National Science Foundation, expands the reach and depth of existing capabilities on campus and at neighboring Berkeley Lab in modeling one of the most violent events in the universe: the merger of neutron stars and its explosive aftermath.
ALMA Finds Possible Sign of Neutron Star in Supernova 1987A
Based on ALMA observations and a theoretical follow-up study, scientists suggest that a neutron star might be hiding deep inside the remains of Supernova 1987A.