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Astronomers have investigated a variable X-ray source

Using data from various space telescopes, astronomers investigated SWIFT J0503.7-2819, a variable X-ray source. The study's findings indicate that this source is an intermediate polar. The discovery was detailed in a paper published on the arXiv pre-print server on September 22. CVs are binary star...

A fast-moving star is colliding with interstellar gas, creating a spectacular bow shock

Zeta Ophiuchi has led an eventful life. It began as a typical large star, roughly twenty times the mass of the sun. It happily spent its days orbiting a large companion star until it exploded as a supernova about a million years ago. Zeta...

A new collaborative X-ray observatory stands tall as testing begins

The X-ray Imaging and Spectroscopy Mission, which will greatly expand our understanding of the high-energy universe, recently passed two critical milestones on its way to observing the cosmos. The mission, dubbed XRISM (pronounced "crism"), is a collaboration between the Japan Aerospace Exploration Agency (JAXA) and...

X-ray binary GX 3+1 investigated with AstroSat

Indian astronomers used the AstroSat spacecraft to investigate GX 3+1, a low-mass X-ray binary. The research provided more information about GX 3+1's properties and detected a thermonuclear burst from this source. The findings are detailed in a paper published on arXiv.org on June 15. X-ray...

Astronomers show a comprehensive X-ray view of an active galactic nucleus in NGC 4258

European astronomers have staged a complete and thorough X-ray view of an active galactic nucleus in a nearby spiral galaxy known as NGC 4258. They have analyzed the data from four space observatories. The study was published on arXiv.org and it will shed more...

Detail investigation of magnetar SGR J1935+2154

European astronomers have conducted a detailed and long-term X-ray monitoring campaign of a magnetar known as SGR J1935+2154. SGR J1935+2154 has entered its active phase and it experienced numerous X-ray outbursts. The study was published on arXiv.org. The study will help us better understand...