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Youngest millisecond pulsar shines in gamma rays

The Fermi space telescope has spotted the youngest-ever millisecond pulsar - a fast-spinning cosmic "lighthouse" that is the leftovers from a supernova.
It is the first pulsar from a globular cluster seen to shine in the highest-energy light we know of: gamma rays.

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NASA's Fermi Finds Youngest Millisecond Pulsar, 100 Pulsars To-Date

An international team of scientists using NASA's Fermi Gamma-ray Space Telescope has discovered a surprisingly powerful millisecond pulsar that challenges existing theories about how these objects form.
At the same time, another team has located nine new gamma-ray pulsars in Fermi data, using improved analytical techniques.

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An international team of scientists using NASA's Fermi Gamma-ray Space Telescope has discovered a surprisingly powerful millisecond pulsar that challenges existing theories about how these objects form.
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Position (J2000): R.A. 18 23 40.4842 | Dec. -30 21' 39.920''



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Posts: 131433
Date:
Permalink  
 

NASA's Fermi Finds Youngest Millisecond Pulsar, 100 Pulsars To-Date

An international team of scientists using NASA's Fermi Gamma-ray Space Telescope has discovered a surprisingly powerful millisecond pulsar that challenges existing theories about how these objects form.
At the same time, another team has located nine new gamma-ray pulsars in Fermi data, using improved analytical techniques.
Typically, millisecond pulsars are around a billion years old. However, in the Nov. 3 issue of Science, the Fermi team reveals a bright, energetic millisecond pulsar only 25 million years old.
The object, named PSR J1823-3021A, lies within NGC 6624, a spherical collection of ancient stars called a globular cluster, one of about 160 similar objects that orbit our galaxy. The cluster is about 10 billion years old and lies about 27,000 light-years away toward the constellation Sagittarius.

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