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Sep 04, 2024

Gas Heating of the Dense Gas in Massive Star-forming Region DR21

Gas heating in star-forming regions is a multifaceted process that holds paramount significance for the formation and evolution of stars. Understanding the pivotal role played by gas heating in these regions can help elucidate the potent...
Sep 02, 2024

New model for explaining X-ray bursts

The researchers proposed a new model to explain the phenomenon of repeated X-ray bursts. By simulating and analyzing, they successfully explained the main features of the observed X-ray bursts, including energy, duration, periodicity, an...The interaction between neutron stars and their surrounding objects has been a hot topic in astronomy. In recent years, scientists have observed repeated X-ray bursts from the galactic magnetars SGR 1806-20 and SGR 1935+2154, which exhib...
Sep 02, 2024

New study reveals microstructure of the interstellar medium from pulsar scintillation

The reserchers employed radio observations of pulsars to detect these complex microstructures using the interstellar scintillation effect. This study utilized the Five-hundred-meter Aperture Spherical radio Telescope (FAST) in China and ...The microstructure of the interstellar medium has been a hot topic of research in modern astrophysics. The turbulence and small-scale structures within the interstellar medium have profound implications for understanding the structure an...
Jul 16, 2024

Researchers have made progress in testing the Kerr spacetime outside the event horizon of a stellar black hole using X-ray reflection spectroscopy

In recent years, the study of black holes and the verification of the Kerr spacetime hypothesis have garnered significant attention within the astrophysics community.In recent years, the study of black holes and the verification of the Kerr spacetime hypothesis have garnered significant attention within the astrophysics community. Various observational methods have been employed to investigate the st...
Jul 09, 2024

Researchers using multi-phase-center VLBI observations reveal pc-scale radio emission properties of dual AGNs

Galaxy mergers play a crucial role in the cosmological evolution of galaxies. During galaxy merging, tidal torques can trigger the accretion and feedback of the central black holes in merging galaxies, forming dual active galactic nuclei...Galaxy mergers play a crucial role in the cosmological evolution of galaxies. During galaxy merging, tidal torques can trigger the accretion and feedback of the central black holes in merging galaxies, forming dual active galactic nuclei...
Jun 11, 2024

Emission geometry and jitter noise in millisecond pulsars

In an ideal world, pulses from radio pulsars arrive regularly. However, this is not always the case, and the closest to that is probably the millisecond pulsars (MSPs). As the name suggests, these pulsars have very short rotation periods...In an ideal world, pulses from radio pulsars arrive regularly. However, this is not always the case, and the closest to that is probably the millisecond pulsars (MSPs). As the name suggests, these pulsars have very short rotation periods...

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