The Crab Nebula, about 6,500 light-years from Earth, is the scattered fragments of a supernova, or exploding star, observed by earthly skywatchers in the year 1054. Source: https://earthsky.org/clusters-nebulae-galaxies/crab-nebula-was-an-exploding-star…
Tag: neutron star
The 2nd-fastest pulsar, now with gamma rays
Pulsars are the compact remnants of supernovae. They have strong magnetic fields and rotate rapidly. This one is spinning 707 times a second! Astronomers just discovered this pulsar is emitting high-energy gamma rays. Source: https://earthsky.org/space/2nd-fastest-pulsar-j0952-0607-gamma-rays…
Pulsating gamma rays from neutron star rotating 707 times a second
An international research team led by the Max Planck Institute for Gravitational Physics (Albert Einstein Institute; AEI) in Hannover has discovered that the radio pulsar J0952-0607 also emits pulsed gamma radiation. J0952-0607 spins 707 times in one second and is second in the list of rapidly rotating neutron stars. By analyzing about 8.5 years worth of data from NASA’s Fermi Gamma-ray…
Universe’s Most Massive Neutron Star Spotted. Should It Even Exist?
The pulsar is so massive that it’s near the limit of being able to exist at all. Source: https://www.livescience.com/most-massive-neutron-star-discovered.html
Mystery green blob appears and disappears in distant galaxy
What is ULX-4 – a mystery green blob of X-ray light that appeared in the Fireworks Galaxy – and then soon disappeared again? A black hole or neutron star are 2 possibilities. Source: https://earthsky.org/space/mystery-green-blob-ulx-4-fireworks-galaxy…
Astronomers detect the most massive neutron star ever measured
West Virginia University researchers have helped discover the most massive neutron star to date, a breakthrough uncovered through the Green Bank Telescope in Pocahontas County. Source: https://phys.org/news/2019-09-astronomers-massive-neutron-star.html…
Afterglow sheds light on the nature, origin of neutron star collisions
The final chapter of the historic detection of the powerful merger of two neutron stars in 2017 officially has been written. After the extremely bright burst finally faded to black, an international team led by Northwestern University painstakingly constructed its afterglow—the last bit of the famed event’s life cycle. Source: https://phys.org/news/2019-09-afterglow-nature-neutron-star-collisions.html…
Astronomers Decode Weird X-Ray Pattern Coming from Neutron Star
Astronomers have detected a neutron star system blasting X-ray light at Earth and detected a rare, months-long pattern in those light bursts. Source: https://www.livescience.com/weird-neutron-star-x-ray-pulses-figured-out.html
Radio emission from a neutron star’s magnetic pole revealed by General Relativity
Pulsars in binary systems are affected by relativistic effects, causing the spin axes of each pulsar to change their direction with time. A research team led by Gregory Desvignes from the Max Planck Institute for Radio Astronomy in Bonn, Germany, has used radio observations of the source PSR J1906+0746 to reconstruct the polarised emission over the pulsar’s magnetic pole and to…
Unusual Signal Suggests Neutron Star Destroyed by Black Hole
What created this unusual explosion? Source: https://apod.nasa.gov/apod/astropix.html…