Tags: Star.

PSR B1620-26 is a triple star system located at a distance of 3800 parsecs (12400 light-years) in the globular cluster of Messier 4 (M4 NGC 6121) in the constellation of Scorpius. The system is composed of a pulsar (PSR B1620-26 A) and a white dwarf star (WD B1620-26 or PSR B1620-26 B). As of 2000 the system is also confirmed to have an extrasolar planet orbiting the two stars.

Location_of_pulsar_B1620-26.jpg

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