News tagged with pulsar

A pulsar with a tremendous hiccup

(Phys.org) -- Pulsars are superlative cosmic beacons. These compact neutron stars rotate about their axes many times per second, emitting radio waves and gamma radiation into space.  Using ingenious data analysis methods, ...

dateJul 24, 2012 in Astronomy
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A new way to discover pulsars

(Phys.org) -- The Large Area Telescope (LAT), built by SLAC for the Fermi Gamma-ray Space Telescope, collects information on high-energy gamma rays from numerous sources in the sky. Among these are small, elusive objects ...

dateMay 22, 2012 in Astronomy
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Celestial bauble intrigues astronomers

(PhysOrg.com) -- With the holiday season in full swing, a new image from an assembly of telescopes has revealed an unusual cosmic ornament. Data from NASA's Chandra X-ray Observatory and ESA's XMM-Newton have been combined ...

dateDec 20, 2011 in Astronomy
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Carbon Atmosphere Discovered on Neutron Star

(PhysOrg.com) -- Evidence for a thin veil of carbon has been found on the neutron star in the Cassiopeia A supernova remnant. This discovery, made with NASA's Chandra X-ray Observatory, resolves a ten-year mystery surrounding ...

dateNov 04, 2009 in Astronomy
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A glitch in pulsar J1718-3718

Pulsars are noted as being some of the universe’s best clocks. Their highly magnetized nature gives rise to beams of high energy radiation that sweep out across the universe. If these beams pass Earth, they can rival ...

dateJun 29, 2011 in Astronomy
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Millisecond pulsar in spin mode

Astronomers have tracked down the first gamma-ray pulsar in a globular cluster of stars. It is around 27,000 light years away and thus also holds the distance record in this class of objects. Moreover, its high luminosity ...

dateNov 03, 2011 in Astronomy
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The high energy crab

(PhysOrg.com) -- The Crab Nebula is the remnant of a supernova. Its precursor star exploded in 1054 AD in an event that was recorded by Chinese and (quite probably) Anasazi Indian astronomers. It is called the Crab Nebula ...

dateOct 31, 2011 in Astronomy
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