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Crab Pulsar (NP0532)

The remnant of a supernova which was quite good visible for several weeks in the year 1054. The pulsar (or neutron star) is surrounded by the Crab Nebula M1, the rest of the former giant star. It makes 30 revelations per second. Much stronger than in visible light it shines in X-ray.

The progenitor star only had about 10 solar masses, the explosion was relatively weak for a supernova.

Constellation: Taurus
Distance: 6300 light-years
Visual magnitude: 16
Luminosity: circa 1 * Sun
Mass: circa 2 * Sun
Diameter: 30 km

Back: List of Special Stars part 2
    Crab Nebula
The Crab Nebula.
Photo: Eso

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