Abstract
Optical observations of the first uniform sample of radio-selected BL Lac objects are summarized with emphasis on the morphology and the environment. Three objects are discussed in more detail and, for two of them, an interpretation in the context of gravitationally (micro)lensed systems is given.
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© 1989 Springer-Verlag
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Stickel, M., Fried, J.W., Kühr, H. (1989). Optical observations of a complete sample of radio selected BL Lac objects. In: Maraschi, L., Maccacaro, T., Ulrich, M.H. (eds) BL Lac Objects. Lecture Notes in Physics, vol 334. Springer, Berlin, Heidelberg. https://doi.org/10.1007/BFb0031145
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DOI: https://doi.org/10.1007/BFb0031145
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