aug 152013
 
New Pulsar Reveals Feeding Habits of Milky Way’s Black Hole

  A team of astronomers, including Heino Falcke (Radboud University Nijmegen/ ASTRON) and Adam Deller (ASTRON), has discovered radio pulses from a neutron star practically next door to the supermassive black hole which resides at the center of the Milky Way. Radio ‘pulsars’ are rapidly spinning neutron stars, ubiquitous in the rest of the Milky [continue reading]

mei 242013
 
Magnetars are More Common than Thought

  Magnetars — the dense remains of dead stars that erupt sporadically with bursts of high-energy radiation — are some of the most extreme objects known in the Universe. A major campaign using NASA’s Chandra X-ray Observatory and several other satellites shows magnetars may be more diverse — and common — than previously thought. This [continue reading]

jul 172012
 
A 'Low-Field Magnetar' Discovered

  Is it a magnetar or is it a pulsar? A second member of a rare breed of dead, spinning star has been identified thanks to an armada of space-based X-ray telescopes, including ESA’s XMM-Newton.  A magnetar or a pulsar? Credit: ESA–C. Carreau Magnetars are a type of neutron star, the dead cores of massive stars [continue reading]

jan 312012
 
Neutron Stars/X-ray Binaries

Chandra image of theVela Pulsar Ordinary matter, or the stuff we and everything around us is made of, consists largely of empty space. Even a rock is mostly empty space. This is because matter is made of atoms. An atom is a cloud of electrons orbiting around a nucleus composed of protonsand neutrons. The nucleus contains more than 99.9 [continue reading]