Physics
Scientific paper
Aug 1972
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1972natur.238..263y&link_type=abstract
Nature, Volume 238, Issue 5362, pp. 263 (1972).
Physics
12
Scientific paper
SEVERAL lists of galaxies with ultraviolet continua have been published by Markarian1-3 and Markarian and Lipovetsky4. Approximately 10% of these objects are spectroscopically similar to Seyfert galaxies. Sargent5 has pointed out that Markarian's method of searching with an objective prism tends to select those Seyfert galaxies where the nuclei, with their characteristic blue colours, contribute most of the light. Thus, the Seyfert galaxies on Markarian's lists tend to have more luminous nuclei than the classical Seyferts.
Joyce Richard R.
Knacke Roger F.
Young Eric T.
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