Shobbrook, Robert Reginald
The present work represents an extension of the existing
photographic, spectrographic and particularly photometric observations
of the external galaxies visible primarily from the Southern Hemisphere.
Photoelectric colours and magnitudes have been obtained for 53 galaxies
through from one to four diaphragms of different sizes. The photometric
system to which these are reduced is the UBV system of Johnson and Morgan.
To supplement the data, large scale photographs, and also spectra,...[Show more]
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