Pulsar Observables
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Related Articles from SNS
A Self-Consistent Model of Kinetic Alfven Solitons in Pulsar Wind Plasma: Linking Soliton Characteristics to Pulsar Observables
arXiv:2510.25972v2 Announce Type: replace Abstract: A self-consistent model is presented for the formation and propagation of kinetic Alfv\'en (KA) solitons in mass-loaded filaments within the pulsar wind, where a magnetized electron--positron--ion plasma flows along open magnetic field lines beyond the light cylinder. Using a reductive perturbation approach, we derive a Korteweg--de Vries (KdV) equation governing the nonlinear evolution of KA solitons in this environment. The soliton...
Pulsar wind nebula inside supernova remnant explored with Chandra
May 30, 2026 report Pulsar wind nebula inside supernova remnant explored with Chandra Tomasz Nowakowski Author Gaby Clark Scientific Editor Robert Egan Associate Editor Astronomers from the George Washington University (GWU) in Washington, DC, and elsewhere have employed NASA's Chandra X-ray spacecraft to observe a pulsar wind nebula inside a supernova remnant known as CTA 1. Results of the observational campaign, presented in a research paper published May 20 on the arXiv preprint server,...
ESA selects two new scout-class missions
ESA selects two new scout-class missions Lisa Lock Scientific Editor Andrew Zinin Lead Editor When it comes to understanding Earth and our changing environment, space is the place. Not only does it give us an overall holistic view of the planet below, but satellite-based imagery can transcend national boundaries and give us an understanding of key changes that often go unseen at ground level. Now, the European Space Agency (ESA) has chosen two new missions to address key questions in Earth...
A stellar “Rosetta stone” reveals the source of mysterious cosmic signals
A stellar “Rosetta stone” reveals the source of mysterious cosmic signals A star caught cannibalizing its companion has finally revealed the origin of one of astronomy’s most puzzling repeating signals. - Date: - June 2, 2026 - Source: - University of Sydney - Summary: - Astronomers have finally cracked the mystery behind a strange class of repeating cosmic signals that has baffled scientists for years.
Student astronomer discovers 'Rosetta Stone' for mysterious cosmic signals
Student astronomer discovers 'Rosetta Stone' for mysterious cosmic signals Sadie Harley Scientific Editor Robert Egan Associate Editor An international team led by astronomers at the University of Sydney has uncovered the clearest evidence yet for the origin of an unusual class of cosmic signals. In doing so, they have identified a rare stellar system that is providing scientists with a natural laboratory to study extreme physics. Using CSIRO's ASKAP radio telescope, the team discovered a...
Mysterious signals keep coming from space: Astronomers find their 'Rosetta stone'
Mysterious signals keep coming from space: Astronomers find their 'Rosetta stone' Sadie Harley Scientific Editor Andrew Zinin Lead Editor A pair of stars spiraling around each other. That's the origin of a new source of repeating radio bursts we've detected, called ASKAP J1745. In recent years, astronomers have been puzzling over mysterious bursts of radio signals, known as long-period transients because of how slowly they repeat.
Mysterious repeating radio signal traced to 'vampire' star that's slowly eating its companion
Mysterious repeating radio signal traced to 'vampire' star that's slowly eating its companion Radio astronomers have decoded a peculiar repeating radio signal from deep space, tracing it to a vampiric binary star system. A pair of spiralling stars could be a blueprint for decoding mysterious bursts of radio energy coming from space, according to new research. Long-period transients have puzzled radio astronomers since they were first detected in 2022.
How heavy can a neutron star get?
How heavy can a neutron star get? Sadie Harley Scientific Editor Andrew Zinin Lead Editor The physics of neutron stars are almost too fantastic to believe: something the weight of two suns compacted to a sphere the size of a city.