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General Physics Jul 30, 2024

New study uses self-interacting dark matter to solve the final parsec problem

In a new study, scientists from Canada have proposed a solution to the final parsec problem of supermassive black hole (SMBH) mergers using self-interacting dark matter.

Astronomy Jul 26, 2024

Study sheds more light on the nature of pulsar PSR J1227−6208

Astronomers from the Max Planck Institute for Radio Astronomy (MPIfRA) in Bonn, Germany and elsewhere have inspected a recycled pulsar known as PSR J1227−6208. The new study, published July 18 on the preprint server arXiv, ...

Astronomy Jul 10, 2024

Study investigates the nature of very-high energy gamma-ray source TeV J2032+4130

Using the High-Altitude Water Cherenkov (HAWC) observatory, an international team of astronomers has observed a very-high energy gamma-ray source designated TeV J2032+4130. Results of the observational campaign, presented ...

Astronomy Jul 6, 2024

Exploring the possibility of probing fundamental spacetime symmetries via gravitational wave memory

As predicted by the theory of general relativity, the passage of gravitational waves can leave a measurable change in the relative positions of objects. This physical phenomenon, known as gravitational wave memory, could ...

Astronomy Jun 25, 2024

Astronomers study evolution of a giant outburst in X-ray binary EXO 2030+375

An international team of astronomers has observed an X-ray binary system known as EXO 2030+375. Results of the observation campaign, presented in a research paper published June 18 on the pre-print server arXiv, provide more ...

Astronomy Jun 19, 2024

Supercooled phase transitions: Could they explain gravitational wave signals?

A new study published in Physical Review Letters explores the possibility that a strongly supercooled, first-order phase transition in the early universe could explain gravitational wave signals observed by pulsar timing ...

Astronomy Jun 10, 2024

Astronomers observe giant outburst of a distant X-ray binary

Using the Neutron Star Interior Composition Explorer (NICER) onboard the International Space Station, astronomers have observed a distant X-ray binary known as EXO 2030+375. The observational campaign allowed them to explore ...

Astronomy Jun 4, 2024

Eight new millisecond pulsars discovered with FAST

Using the Five-Hundred-meter Aperture Spherical radio Telescope (FAST), astronomers from the Guizhou University in China and elsewhere have discovered eight new millisecond pulsars in the globular cluster NGC 6517. The finding ...

Astronomy Jun 1, 2024

Study investigates a massive 'spider' pulsar

Astronomers from the Stanford University in California have performed joint X-ray and optical observations of a massive "spider" pulsar designated PSR J2215+5135. Results of the observational campaign, presented in a paper ...

Astronomy May 13, 2024

Raspberry in the sky: Astronomers discover a new supernova remnant candidate

Astronomers from the Western Sydney University in Australia and elsewhere report the detection of a new supernova remnant (SNR) candidate. The newfound SNR candidate, dubbed "Raspberry" due to its morphology, was identified ...

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