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Published online by Cambridge University Press: 27 June 2016
In 1945 McLaughlin found that novae form a comparatively flat sub-system in the Galaxy with an appreciable concentration towards the centre. B. V. Kukarkin came to the same conclusion in 1949. However, it was found later that this result, which contradicts our ideas of galactic structure, was a result of poor absolute magnitudes and the consequent underestimate of the distances of the novae.