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Z Camelopardalis

This binary of a yellow post main sequence star and a white dwarf was one of the first dwarf novae to be discovered. It erupts every few weeks, increasing the star's luminosity about 40 times. In March 2007 has been found that this star can produce real novae, too. This is shown by the shreds of gas around it. These many thousand times brighter eruptions occur only about every 10 000 years.

Constellation: Camelopardalis
Distance: 530 light-years
Spectral class: G1
Visual magnitude: 10.2

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    Z Camelopardalis
Photo: NASA/JPL-Caltech

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