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Centaurus X3

This X-ray source, the third to be discovered in Centaurus, is a binary of a blue star (Krzeminski's Star) and a pulsar (J112115.2-603724). The latter rotates every 4.84 seconds and emits the X-rays.

Constellation: Centaurus
Distance: 26 000 light-years
Visual magnitude: 14.4
Orbit period of Krzeminski's Star and J112115.2-603724: 2.09 days

Krzeminski's Star

Spectral class: O6.5
Mass: 20.5 * Sun
Diameter: 11.8 * Sun
 

J112115.2-603724


Mass: 1.21 * Sun

Back: List of Special Stars part 2

01/10/2007

    Cen X3
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