Quasi-stellar Objects and Gravitational Lenses

Barnothy and Barnothy 1–4 have suggested that quasi-stellar objects are images of the nuclei of Seyfert galaxies, resulting from a gravitational lens mechanism. Refsdal 5 and Liebes 6 have found expressions for the intensification and angular size of the image when the path of the photons from the o...

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Bibliographic Details
Published in:Nature (London) 1970-12, Vol.228 (5277), p.1180-1181
Main Author: DE SILVA, L. N. K
Format: Article
Language:English
Subjects:
Humanities and Social Sciences
letter
multidisciplinary
Science
Science (multidisciplinary)
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Summary:Barnothy and Barnothy 1–4 have suggested that quasi-stellar objects are images of the nuclei of Seyfert galaxies, resulting from a gravitational lens mechanism. Refsdal 5 and Liebes 6 have found expressions for the intensification and angular size of the image when the path of the photons from the object to the observer passes outside the intervening object which acts as the gravitational lens; that is, the photons do not traverse the materal of the deflector.
ISSN:0028-0836
1476-4687
DOI:10.1038/2281180a0