SGR 1806-20

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Artist's painting of SGR 1806-20.

SGR 1806-20 is a pulsar in the constellation Sagittarius. It is located 50,000 light years away from the Sun and Earth in the star cluster 1806-20, with the star LBV 1806-20. On December 27, 2004, radiation from a gamma-ray burst caused by the star became the brightest event from outside the Solar System.[1][2][3]

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