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…
Pulsars
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…
A Pulsar Orbiting a Black Hole Could be the ‘Holy Grail’ for Testing Gravity
A new study examines in what sense a neutron star-black hole binary could the ‘holy grail’ for testing gravity. The intermittent light emitted by pulsars,…
NuSTAR Discovers Brightest Pulsar to Date
Using NASA’s Nuclear Spectroscopic Telescope Array, astronomers have detected the brightest pulsar to date, located about 12 million light-years away in the galaxy Messier 82….
NuSTAR Discovers Pulsar Powering Intense Gamma Rays
Using NASA’s Nuclear Spectroscopic Telescope Array, astronomers have discovered a pulsar spinning five times per second and the ultimate power source of both the high-energy…
Fermi Discovers a Pulsar That Switched from Radio Emissions to High-Energy Gamma Rays
New measurements by NASA’s Fermi Gamma-ray Space Telescope reveal a binary star system whose pulsar switched from radio emissions to high-energy gamma rays. Zoom into…
Astronomers View Pulsar Encased in Supernova Bubble
This XMM-Newton image reveals a strongly magnetized, rotating neutron star and the remains of the explosion that generated it. Massive stars end their lives with…
Scientists Reveal Neutron Star Glitches Have a Minimum Size
New research reveals that sudden speed jumps in the rotational velocity of pulsars have a minimum size, and that they are caused not by the…
Researchers Study Mysterious Gamma Ray Source with No Known Counterpart
Using the VERITAS gamma-ray telescope, astronomers studied a mysterious VHE gamma-ray source from the constellation of Cygnus that has no known counterpart at other wavelengths….
Astronomers Take a Closer Look at Black Widow and Redback Binary Systems
Using gamma-ray observations, astronomers discover a record-breaking black widow binary. Black widow spiders and their Australian cousins, known as redbacks, are notorious for their tainted…
IGR J11014-6103: A Supersonic Pulsar with a Tail 37 Light Years Long
Astronomers have discovered a pulsar that is moving between 2.5 million and 5 million miles per hour with a tail that stretches for 37 light…
Astrophysicists Discover a Pulsar that Varies in the Amount of Gamma-Ray Radiation it Emits
Using data from the Fermi Gamma-ray Space Telescope, researchers have discovered a pulsar that varies in the amount of gamma-ray radiation it emits. Astrophysicists studying…
Volunteers Discover Four Cosmic Lighthouses in Fermi Data
Using the distributed computing project [email protected], international volunteers discover four cosmic lighthouses in data from NASA’s Fermi gamma-ray space telescope. The combination of globally distributed…
Astronomers Discover New Information about Black Hole Mergers
While searching for gravitational waves generated by supermassive black holes merging, astronomers using the Parkes Radio Telescope have discovered new information about the frequency and…
Astronomers Discover a Neutron Star that has the Ability to Transform
A team of scientists has discovered that a neutron star, dubbed IGR J18245-2452, has the ability to transform from a radio pulsar into an X-ray…
[email protected] Project Discovers 24 New Pulsars in Archival Data
Using the combined computing power of 200,000 private PCs, the [email protected] project discovered 24 new pulsars in archival data. The combined computing power of 200,000…
Astronomers Obtain the Most Accurate Distance for a Radio Pulsar
Using the Very Long Baseline Array, astronomers have obtained the most accurate distance for a radio pulsar to date, showing that pulsar PSR J2222-0137 is…