Latest Binary pulsar Stories

NASA's Fermi Gamma-ray Space Telescope Sees A 'Transformer' Pulsar
2014-07-23 03:29:42

[ Watch The Video: Fermi Catches A ‘Transformer’ Pulsar ] NASA In late June 2013, an exceptional binary containing a rapidly spinning neutron star underwent a dramatic change in behavior never before observed. The pulsar's radio beacon vanished, while at the same time the system brightened fivefold in gamma rays, the most powerful form of light, according to measurements by NASA's Fermi Gamma-ray Space Telescope. "It's almost as if someone flipped a switch, morphing the...

Spidery Pulsars Consume Their Mates With A Deadly Embrace
2014-02-21 14:19:40

[ Watch The Video: A Black Widow Pulsar Consumes its Mate ] Francis Reddy, NASA Black widow spiders and their Australian cousins, known as redbacks, are notorious for their tainted love, expressed as an unsettling tendency to kill and devour their male partners. Astronomers have noted similar behavior among two rare breeds of binary system that contain rapidly spinning neutron stars, also known as pulsars. "The essential features of black widow and redback binaries are that...

Jekyll And Hyde Pulsar Has A Split Personality
2013-09-26 04:31:06

Lee Rannals for redOrbit.com - Your Universe Online [ Watch the Video: Millisecond Pulsar with Magnetic Field Structure ] Scientists writing in the journal Nature say they have discovered a millisecond pulsar with a dual identity. The team used NASA's Swift and Chandra X-ray Observatory to find a pulsar that readily shifts back and forth between two mutually exclusive styles of pulsed emission, including one in X-rays and another in radio. Scientists say this discovery represents an...

Astronomers Use The Very Long Baseline Array To Set New Record
2013-06-13 14:46:36

ASTRON An international team of scientists led by astronomer Adam Deller (ASTRON) have used the Very Long Baseline Array (VLBA) to set a new distance accuracy record, pegging a pulsar called PSR J2222-0137 at 871.4 light-years from Earth. They did this by observing the object over a two-year period to detect its parallax, the slight shift in apparent position against background objects when viewed from opposite ends of Earth's orbit around the Sun. With an uncertainty less than four...

Astronomers Puzzled By Chameleon-Like Behavior Of Reverse Pulsar
2013-01-25 10:42:24

April Flowers for redOrbit.com - Your Universe Online Pulsars are one of the most baffling classes of astronomical objects. Originally discovered as flickering sources of radio waves, pulsars were soon interpreted as rapidly rotating and strongly magnetized neutron stars about the size of a small city. Because of the oppositely directed beams of radiation emitted from their magnetic poles, pulsars are like cosmic lighthouses. The star spins and the beams sweep past the Earth, displaying a...

Pulsar Is Accompanied By Black Widow
2012-10-25 16:03:16

Lee Rannals for redOrbit.com — Your Universe Online Scientists at the Max Planck Institute have discovered a millisecond pulsar accompanied by an unusual sub-stellar partner known as a "black widow." The team has solved the mystery and identified the culprit of a source of strong gamma-rays found in the constellation of Centaurus back in 1994. Millisecond gamma-ray pulsar PSR J1311-3430 was found through a new data analysis method developed by the scientists at the Max Planck...

Pulsars: The Universe's Gift To Physics
2012-02-20 04:22:53

Pulsars, superdense neutron stars, are perhaps the most extraordinary physics laboratories in the Universe. Research on these extreme and exotic objects already has produced two Nobel Prizes. Pulsar researchers now are poised to learn otherwise-unavailable details of nuclear physics, to test General Relativity in conditions of extremely strong gravity, and to directly detect gravitational waves with a "telescope" nearly the size of our Galaxy. Neutron stars are the remnants of massive...

Image 1 - Scientists Discover Powerful Millisecond Pulsar
2011-11-03 14:24:14

[ Video 1 ] | [ Video 2 ] | [ Video 3 ] NASA said on Thursday that its scientists have discovered a surprisingly powerful millisecond pulsar that challenges existing theories. The international team of scientists used NASA's Fermi Gamma-ray Space Telescope to find that the object is the most luminous pulsar detected in the galaxy cluster to date, spinning at 11,000 rotations per minute. The researchers wrote in the November 3 issue of the journal Science that the pulsar is only 25...

2011-08-26 04:53:44

  An international team of astronomers has discovered an exotic planet that appears to be made of diamond orbiting a tiny star in our galaxy. The new planet, which is far denser than any other previously known, consists primarily of carbon.  However, its high density has led scientists to calculate the carbon must be crystalline, meaning a large part of the planet would effectively be diamond. "The evolutionary history and amazing density of the planet all suggest it is...

Word of the Day
  • A goblin in English folklore, often appearing in the shape of a large dog and believed to portend imminent death or misfortune.
  • A ghost, wraith, hobgoblin, elf, or spirit.
The origin of 'barghest' is not known, but it may be from perhaps burh-ghest, town-ghost, or German Berg-geist (mountain spirit) or Bär-geist (bear-spirit).