News tagged with pulsar

Discovery of the companions of millisecond pulsars

When a star with a mass of roughly ten solar masses finishes its life, it does so in a spectacular explosion known as a supernova, leaving behind as remnant "ash" a neutron star. Neutron stars have masses of one-to-several ...

dateSep 28, 2015 in Astronomy
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Pulsar punches hole in stellar disk

A fast-moving pulsar appears to have punched a hole in a disk of gas around its companion star and launched a fragment of the disk outward at a speed of about 4 million miles per hour. NASA's Chandra X-ray Observatory is ...

dateJul 22, 2015 in Astronomy
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Pulsar with widest orbit ever detected

A team of highly determined high school students discovered a never-before-seen pulsar by painstakingly analyzing data from the National Science Foundation's (NSF) Robert C. Byrd Green Bank Telescope (GBT). Further observations ...

dateMay 01, 2015 in Astronomy
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Fermi finds a 'transformer' pulsar

( —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 ...

dateJul 22, 2014 in Astronomy
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