Chandra Discovers Neutron-Star-Powered Ultraluminous X-Ray Source
In the 1980s, researchers began discovering extremely bright sources of X-rays in the outer portions of galaxies, away from the supermassive black holes that dominate…
NuSTAR
NuSTAR and Herschel Probe Black Hole Jet Mystery
Using NASA’s NuSTAR Space Telescope and the William Herschel Observatory, astronomers have been able to measure the distance that particles in jets travel before they…
Chandra Reveals 25 Bright Point-Like X-Ray Sources in Arp 299
New Chandra data has revealed 25 bright point-like X-ray sources in Arp 299, 14 of which are categorized as “ULXs”. These ULXs are likely binary…
NASA’s NuSTAR Telescope Shows Merging Galaxies Have Enshrouded Black Holes
Using NASA’s NuSTAR telescope, a team of astronomers reveals that in the late stages of galaxy mergers, so much gas and dust falls toward a…
NASA’s NuSTAR Probes Puzzling Galaxy Merger of the Was 49 System
A supermassive black hole inside the tiny galaxy Was 49b is challenging astronomers’ ideas about what happens when two galaxies become one. Was 49 is…
Chandra Discovers a Star in the Closest Known Orbit Around a Black Hole
Using NASA’s Chandra X-ray Observatory as well as NASA’s NuSTAR and CSIRO’s Australia Telescope Compact Array (ATCA), a team of astronomers reveals evidence for a…
Scientists Measure Temperature Swings of Black Hole Winds for the First Time
A team of scientists has measured rapidly varying temperatures in hot gas emanating from around a black hole for the first time. These ultrafast “winds”…
Astronomers Discover the Brightest Pulsar to Date, NGC 5907 ULX
Using the European Space Agency’s XMM-Newton satellite and NASA’s NuSTAR, astronomers have discovered the brightest pulsar to date. There’s a new record holder for brightest…
NuSTAR Helps Solve Forty-Year-Old Neutron Star Mystery
Astronomers may have solved a 40-year-old mystery surrounding a neutron star in the “Rapid Burster” system. Scientists observing a curious neutron star in a binary…
NASA’s NuSTAR Reveals New Clues to ‘Chameleon Supernova’
NASA’s NuSTAR satellite reveals new clues to why supernova SN 2014C dramatically changed in appearance over the course of a year. “We’re made of star…
Astronomers Prove the Existence of a “Gravitational Vortex” Around a Black Hole
Using data from XMM-Newton and NuSTAR, astronomers have proved the existence of a “gravitational vortex” around a black hole. This new discovery, aided by NASA’s…
NuSTAR Reveals the Active Galactic Nucleus of a Quasar
Using data from the NuSTAR X-ray satellite, a team of astronomers has found that the emission from quasar 3C 273 most likely arises from two…
Astronomers Link the Launching of the Corona to a Black Hole Flare
New observations from NASA’s Swift and the Nuclear Spectroscopic Telescope Array, suggest that supermassive black holes send out beams of X-rays when their surrounding coronas…
New Image Shows X-Rays Lighting Up the Surface of Our Sun
New observations from NASA’s Nuclear Spectroscopic Telescope Array, Japan’s Hinode Spacecraft and NASA’s Solar Dynamics Observatory have been combined to form this new image of…
NuSTAR Reveals Hidden Black Holes
Using NuSTAR, astronomers clearly identified five supermassive black holes that were previously elusive because of their surrounding cocoons of material. Some of the “biggest and…
NASA’s NuSTAR Finds Evidence of a Lopsided Star Explosion
By mapping the radioisotope titanium-44, NASA’s NuStar reveals evidence of an asymmetrical explosion from supernova 1987A and helps to explain the mechanics of SN 1987A…
NuSTAR Spots Mysterious Glow of High-Energy X-Rays at Our Galaxy Center
NASA’s NuSTAR has spotted a mysterious glow of high-energy X-rays at the center of our Galaxy. Astronomers aren’t sure what the sources of the extra…
NuSTAR and XMM-Newton Telescopes Give Shape to Black Hole Winds
Using NASA’s NuSTAR and ESA’s XMM-Newton telescopes astronomers have measured the strength of ultra-fast winds from a supermassive black hole, proving that the winds are…