Centaurus X-3
Star system
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Centaurus X-3 is an X-ray pulsar with a period of 4.84 seconds. It was the first X-ray pulsar to be discovered, and the third X-ray source to be discovered in the constellation Centaurus. Wikipedia
Declination: −60° 37′ 22.6″
Right ascension: 11h 21m 15.09s
Radius: 12 R☉
Apparent magnitude (V): 13.25
Distance: 24,000 ± 2,000 ly; (7,200 ± 600 pc)
Luminosity: 316,000 L☉
Temperature: 39,000 K