X-ray emission from the Cloverleaf seen by XMM-Newton shows the distrubution of gas within a group of galaxies embedded in the ORC. This is sort of like a chalk outline at a crime scene.

The Hubble Telescope and Chandra X-ray Observatory saw an enigmatic intermediate-mass black hole lighting up in X-rays, ...

XMM-Newton, one of the two most powerful X-ray observatories ever placed in orbit, performed the survey of M31 during a series of observations during 2000 to 2002.

By conducting multiwavelength observations with various telescopes and space observatories, astronomers from Tsinghua ...

“We really got lucky,” Zhang said. “We saw several plausible X-ray point sources close to the ORC in eROSITA observations, but not the expanded emission we saw with XMM-Newton.

Views of a massive galaxy cluster Abell 2256 have been captured by NASA’s Chandra X-ray Observatory, ESA’s XMM-Newton and ...

XMM-Newton, the most powerful X-ray observatory ever placed in orbit, observed the central region of M31 in June and December 2000 during the Performance Verification phase of the mission.

Home Articles Alive but Barely Kicking: News from 3+ yr of Swift and XMM-Newton X-Ray Monitoring of Quasiperiodic Eruptions from eRO-QPE1 ...