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Nova Herculis 1934 (DQ Herculis)

DQ Herculis is a very close system of a white dwarf (A) and a red dwarf (B). Here in 1934 a slow nova exploded. Due to this pair in 1956 the phenomenon of the novae was understood.

Constellation: Hercules
Distance: 1600 light-years
Orbit period of DQ Herculis A and B: 4.65 hours
Spectral class von DQ Herculis B: M
Visual magnitude: 14.4 normal - 1.5 as nova
Luminosity as nova: 100 000 * Sun

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    Nova Herculis
The nova remnant in the year 1993.
Photo: William Herschel Telescope

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