Articles tagged with Neutron Stars
Researchers detect electromagnetic waves from neutron star merger, confirming predictions of heavy element production. The event is a milestone in understanding astrophysical processes and requires precise nuclear data to be fully understood.
The LIGO detector has confirmed a 1989 prediction made by Prof. Tsvi Piran that neutron star mergers produce gamma-ray bursts and synthesize heavy elements like gold and uranium. This confirmation solves several puzzles in astronomy and opens new ways to understand the universe.
Astronomers have made the first-ever observations of a merging neutron star, detecting both gravitational waves and a brilliant explosion of visible light. The discovery has opened a new window into understanding neutron star physics and could resolve a long-standing question about the origins of heavy elements.
RIT researchers played a significant role in the groundbreaking detection of colliding neutron stars by LIGO. This event marked the first time both gravitational waves and light were detected from the same cosmic collision.
Researchers observe historic detection of neutron star merger in both gravitational waves and the entire spectrum of light, offering insights into a cosmic event. The merger, named GW170817, revealed properties of the dense neutron stars and their collision, providing new opportunities for gravitational testing.
The team used the Swope telescope to discover the light produced by the merger and obtained the earliest spectra of the collision. These observations may allow scientists to explain how many of the universe's heavy elements were created.
Scientists at Oregon State University predicted a short gamma-ray burst detection, which was confirmed just a month later. The OSU team predicted the event based on their understanding of binary neutron star systems and gravitational waves.
For the first time, astronomers have observed a cataclysmic cosmic event that generated gravitational waves detected on Earth. The event was the merger of two neutron stars in a galaxy 130 million light-years away, resulting in a supernova-like explosion.
A team of scientists from around the world detected gravitational waves and visible light from the collision of two neutron stars. The discovery marks a new era in multimessenger astronomy, allowing researchers to learn more about the universe through different kinds of electromagnetic radiation and gravitational waves.
Three GW astrophysicists contribute to global effort identifying kilonova explosion, a rare event roughly 1,000 times brighter than a nova. The discovery confirms predictions of gravitational waves and electromagnetic radiation from neutron-star mergers, providing insights into the formation and expansion of our universe.
For the first time, scientists have detected the collision of two neutron stars using both gravitational waves and light. The historic discovery ushers in a new era in astronomy with multi-messenger astronomy, confirming theoretical predictions and providing new mysteries to understand.
A team of Australian researchers has confirmed the detection of radio waves from a gravitational wave event, providing new insights into massive bodies like black holes. The discovery was made using the CSIRO's Australia Telescope Compact Array and marks a significant contribution to the global discovery of gravitational waves.
UCSB astronomers capture the fleeting kilonova using a network of telescopes and gravitational wave data. The event sheds light on the formation of heavy elements in the universe.
Astronomers have observed a neutron star merger, detecting gravitational waves and gamma-ray signatures. Computer simulations suggest that the merger produces heavy elements, which are then dispersed into space, potentially seeding the universe with gold, platinum, and other rare elements.
The LIGO-Virgo Collaboration observed the merger of two neutron stars, producing gravitational waves and a gamma-ray burst, marking the birth of multi-messenger astronomy. This discovery confirms kilonova formation, providing insight into the universe's heaviest elements.
Researchers suggest primordial black holes formed shortly after the Big Bang might explain the origin of heavy elements like gold, platinum and uranium. They propose a theory where these black holes collide with neutron stars to produce heavier elements.
Tiny primordial black holes could have destroyed neutron stars from the inside out, leading to the ejection of dense neutron-rich material that formed heavy elements like gold and uranium. This process would also explain several long-standing mysteries in the universe, including Fast Radio Bursts and positron emissions.
Scientists develop detailed models to explore black hole-neutron star collisions, helping detectors identify gravitational-wave signals and telescopes search for gamma-ray bursts. These simulations shed light on the aftermath of catastrophic events in space.
Researchers find strong support for neutrino-driven supernova explosions, where neutrinos power the blast. The study confirms the theory using computer simulations and observations of radioactive elements in Cassiopeia A.
Astronomers report the discovery of a binary solar-type star inside the supernova remnant RCW 86, with calcium abundance exceeding the solar one by a factor of six. This finding suggests that the supernova might belong to the rare type of calcium-rich supernovae.
Astronomers discover enigmatic flash of X-rays from galaxy 10.7 billion light years away, exhibiting properties unlike known gamma-ray bursts or stellar destruction; scientists struggle to understand its origin and potential implications for compact star mergers.
Researchers using NASA's Chandra X-ray Observatory detected a brief, intense X-ray flare from a small galaxy 10.7 billion light years away. The source is thought to be either a gamma-ray burst not directed towards Earth or the destruction of a white dwarf star, but its exact nature remains unknown.
Scientists have identified a neutron star consuming material at an incredible rate, producing x-rays that exceed the Eddington limit by 1,000 times. The star's strong, multipolar magnetic field is believed to be responsible for its extreme properties.
A study by Professors Bhattacharyya and Chakrabarty suggests that a population of neutron stars may emit gravitational waves continuously, which could slow down their spin rates. This finding has strong implications for the study of these dense objects in the universe.
Fast radio bursts (FRBs) emit non-radio emission, challenging models and suggesting severe consequences for host galaxies. The discovery of FRB 131104's gamma-ray counterpart opens possibilities for detecting long-lived counterparts using X-ray, optical, and radio telescopes.
A team of scientists has discovered that human cells and neutron stars share similar structures, including Terasaki ramps, which are helical shapes connecting stacked sheets. The similarities between these two vastly different systems suggest a universal principle governing the energy of a system.
A team of physicists has made a significant breakthrough in understanding the internal composition of neutron stars. They used thermal perturbation theory to determine the thermodynamic properties of dense quark matter under extreme conditions, shedding light on its potential presence inside these stars.
Researchers have discovered that cosmic heavy metals, such as gold and platinum, can be used to trace the history of galaxies. The study, published in Nature, suggests that the collision of dense stars in the universe can forge these heavy elements and provide insights into galaxy formation.
Astronomers from the University of Cambridge have discovered strong winds leaving mysterious binary systems, with speeds exceeding 70,000 km/s. The findings confirm that these sources conceal compact objects pulling in matter at extraordinarily high rates.
Scientists are using computer models to simulate the production of heavy elements in supernovae and neutron-star mergers. The study aims to identify areas where future experiments can reduce uncertainties in nuclear models.
Astronomers discovered a tiny, ancient galaxy that contains seven stars with heavy elements formed through rapid neutron captures, a process more common in rare cosmic collisions. The findings suggest that the heaviest elements on Earth originated in neutron star mergers.
RIT researchers are investigating properties of binary black hole mergers and inferring the rate of such mergers based on their implications for the gravitational wave background. They aim to detect a range of signals from unexplained bursts to a background 'hum' from the distant universe.
Researchers found a massive star pretending to be a supernova, emitting X-rays consistent with a neutron star core. The system's unique pairing suggests it may be one of the rarest types of binary systems, offering insights into star formation and evolution.
Astrosat observes cosmic objects in visible light, ultraviolet waveband, and X-ray wavebands from very low to high energy. The satellite addresses fundamental scientific problems like testing Einstein's general theory of relativity and studying superdense cold matter.
Researchers have developed a new method to estimate distances to X-ray sources using the geometry of light echoes and dust clouds. By analyzing the timing and deflection of X-rays as they pass through interstellar space, astronomers can calculate the distance to Circinus X-1, a binary system located in the plane of the galaxy.
Researchers at Mainz University measured the mass of a 'strange' atomic nucleus with unprecedented precision, shedding light on the fundamental 'strong force'. The findings provide valuable insights into the nature of this force and its role in holding nuclei together.
The researchers suggest that dark matter may be composed of macroscopic objects, potentially assembled from ordinary and strange quarks or baryons. This idea challenges the current search for tiny exotic particles like WIMPS and axions.
Researchers have found that protons and neutrons in heavy nuclei have higher-average momentum when paired, contrary to previous theories. This phenomenon has implications for ultra-cold atomic gas systems and neutron stars.
Researchers have identified an unusual midsize black hole called M82 X-1, measuring around 400 solar masses. The study analyzed six years of RXTE data to detect specific changes in brightness that helped determine the object's mass.
Researchers at the University of Warwick found that white dwarf stars crashing into neutron stars could be responsible for the loneliest supernovae. The team used observations from the Very Large Telescope and Hubble Space Telescope to rule out other explanations, such as binary systems or massive stars.
Scientists detect the first Thorne-Żytkow object, a bizarre type of hybrid star formed from red supergiant and neutron stars. The discovery provides evidence for a new model of stellar interiors and offers insights into heavy element production in the universe.
A new model of supernovae represented as dynamical systems subject to a loss of stability sheds light on the phenomenon. This approach could be used to predict natural catastrophes before they happen.
Researchers found that the magnetic field of a neutron star takes on a stable structure and evolution slows down, challenging previous theoretical models. The discovery could help scientists measure neutron star properties and gain insights into matter at extreme densities.
Researchers at SISSA have discovered that neutron stars can be described with just three parameters: mass, angular momentum, and quadrupole moment, independent of the equation of state. This finding has major implications for understanding these complex objects.
Dr. Ed Cackett has received a $550,000 NSF CAREER Award to study neutron stars and accretion in binary systems. He will also develop a program to bring solar telescopes to local schools, enhancing hands-on science education.
UW physicists debunk the 'heavy soliton' mystery by revealing it's actually a quantum equivalent of smoke rings, shedding light on nuclear dynamics and neutron star behavior. The research uses state-of-the-art computing techniques to demonstrate that virtually all aspects of the phenomenon can be explained by vortex rings.
Astronomers have discovered the youngest known neutron-star binary, Circinus X-1, which is approximately 4,600 years old. The team used data from NASA's Chandra X-ray Observatory to determine the age of this record-breaking pair, revealing a unique opportunity to study matter under extreme conditions.
Theoretical calculations reveal previously unknown layers where nuclear reactions within the crust cause rapid neutrino cooling, altering our understanding of neutron star hot surfaces. Researchers now face new questions about the star's thermal dynamics and discovery potential of the Facility for Rare Isotope Beams.
Astronomers at Queen's University Belfast have found that small and dense neutron stars with gigantic magnetic fields power the most luminous supernovae. Contrary to existing theories, these stars' findings suggest a new explanation for the brightest exploding stars in the universe.
Researchers at Montana State University have discovered a universal relation among three intrinsic properties of neutron stars: moment of inertia, Love number, and quadrupole moment. This finding enables astrophysicists to infer the shape and degree of deformation without detailed internal structure knowledge, aiding gravitational wave...
Scientists found gold in a short gamma-ray burst caused by the collision of two neutron stars. The team estimates that up to 10 moon masses of gold were created and ejected during this event.
A team of international researchers discovered four fast radio bursts from cosmological distances, suggesting they originate from extreme events involving relativistic objects. The findings provide a way to study space between galaxies and understand the properties of missing matter in the Universe.
Astronomers have observed a spinning neutron star slowing down and spinning at a faster rate, providing clues to understand these dense objects. The discovery has important implications for understanding the extreme physical conditions present within neutron stars.
Researchers detected a magnetar suddenly rotate slower, dubbed an 'anti-glitch', revealing puzzling behavior in the internal structure of neutron stars. This finding may lead to renewed progress in understanding these exotic objects.
Astronomers detected a neutron star's abrupt slow-down with NASA's Swift observatory, which is an unprecedented event. The discovery of the 'anti-glitch' neutron star named 1E2259+586 has significant implications for understanding pure physics in extreme conditions.
Astronomers have observed a neutron star system known as Circinus X-1, where one of the companion stars is a compact neutron star. The system flared twice during observation, with KAT-7 capturing detailed radio images of the event.
Researchers at Jena University have developed a new theory to simulate the strong atomic nuclear interactions that govern neutron stars. By intelligently modifying nuclear forces and solving the stacking problem of atoms, they have enabled the calculability of these complex systems.
Researchers have identified a QPO signal in a distant galaxy's black hole, revealing insights into the nature of compact objects. The detection extends the reach of relativity testing to smaller black holes, about 3.5 minutes apart.
A neutron star spiraling into its companion star caused a unique gamma-ray burst with varying wavelengths and characteristic radii. The Helium Merger Model, developed in 1998, explained the unusual properties of the burst, which may be part of a new class of bursts.
Astronomers have discovered a local supernova factory in the Carina Nebula, which may help understand how young stars release newly-forged elements into their surroundings. The Chandra X-ray Observatory detected over 14,000 stars, six possible neutron stars, and a new population of young massive stars.