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P Cygni

A Luminous Blue Variable which every few hundred years tends to enormously increase its brightness in huge eruptions.
The star is known since its eruption in 1600, the first of its kind to be discovered.

Constellation: Cygnus
Distance: 5000 - 7000 light-years
Spectral class: B2
Visual magnitude: 6.0
Luminosity: 700 000 * Sun
Mass: 50 - 60 * Sun
Diameter: 76 * Sun
Radial velocity: -9 km/sec

Back: List of big and giant stars part 2
    P Cygni
The cloud around the star, P Cygni itself is hidden.
Photo: Nasa, Hubble Telescope

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