NICER Mission Discovers Ultracompact Orbit of an Accreting Millisecond Pulsar
Scientists analyzing the first data from the Neutron star Interior Composition Explorer (NICER) mission have found two stars that revolve around each other every 38…
Pulsars
Commensal Radio Astronomy FAST Survey Discovers a Millisecond Pulsar
China’s Five-hundred-meter Aperture Spherical radio Telescope(FAST), still under commissioning, discovered a radio millisecond pulsar (MSP) coincident with the unassociated gamma-ray source 3FGL J0318.1+0252 in the…
HAWC Collaboration Sheds Light on Antimatter Puzzle
A mountaintop observatory about four hours east of Mexico City, built and operated by an international team of scientists, has captured the first wide-angle view…
Astronomers Use Pulsars to Listen for Gravitational Waves
“By expanding our pulsar timing array over the next 10 years or so, there is a high likelihood of detecting gravitational waves from at least…
Gravitational Waves From Merging Supermassive Black Holes Will Be Detected Within 10 years
A New survey of fast-spinning pulsar stars offers a better estimate of when astronomers will first detect gravitational waves from merging supermassive black holes. Astronomers…
Mysterious Gamma-Ray Glow at the Center of the Milky Way Most Likely Caused by Pulsars, Not Dark Matter
A newly published study reveals that the mysterious gamma-ray glow at the center of the Milky Way is most likely caused by pulsars, not dark…
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…
Astronomers Study the Pulsar Wind Nebula Created by PSR B0355+54
A team of astronomers from the Harvard-Smithsonian Center for Astrophysics has modeled the detailed shape of the pulsar wind nebula created by PSR B0355+54. Neutron…
Astronomers Detect Young Magnetar in Supernova Remnant, Likely the Slowest Pulsar Ever Discovered
Astronomers may have detected the slowest spinning neutron star to date. The object is in the middle of the RCW 103 supernova remnant, which is…
Astronomers Identify a Signature of Dark Matter Annihilation
By studying the spatial distribution of gamma-ray emission in the Milky Way, astronomers believe they have identified a signature of dark matter annihilation. We live…
Chandra Reveals a Pulsar on the Southern Edge the Jellyfish Nebula
New Chandra observations reveal a pulsar on the southern edge the Jellyfish Nebula and provide details about the structure and properties of this pulsar. The…
Fermi Satellite Detects Gamma-Ray Pulsar in the Tarantula Nebula
Using NASA’s Fermi Gamma-Ray Space Telescope, a team of astronomers has discovered the first gamma-ray pulsar in a galaxy other than the Milky Way. The…
Scientists Develop a New Method for Measuring the Mass of Pulsars
Scientists at the University of Southampton have developed a new method for measuring the mass of pulsars. Until now, scientists have determined the mass of…
Astronomers Discover Companions of Millisecond Pulsars
Using data from the Hubble Space Telescope, astronomers from the Harvard-Smithsonian Center for Astrophysics have identified the orbiting companions to five millisecond pulsars in globular…
Chandra Reveals Pulsar Punching Hole in Stellar Disk
Data from Chandra reveal that a pulsar in orbit around a massive star punched through a circumstellar disk of material, jettisoning a clump of material…
Scientists Expect High-Energy Explosions When Pulsar J2032 Swings Around Its Companion Star
NASA scientists are expecting high-energy explosions when pulsar J2032 swings around its massive companion star and plunges through a disk of gas and dust surrounding…
Chandra Reveals Black Holes Gorging at Excessive Rates
New research from NASA’s Chandra X-ray Observatory reveals the existence of a population of black holes that is consuming extremely large amounts of material, possibly…