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Optical Monitoring of Seyfert Galaxies and Quasar Nuclei in 1998. I. Observations

Published online by Cambridge University Press:  22 November 2011

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Abstract

The variations of emission-line profiles of NGC 4151, NGC 5548, 3C 390.3, Arp 102-B and E1821+643 in 1998 are being investigated.

Type
Research Article
Copyright
© EAS, EDP Sciences 2002

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