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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
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
- Information
- European Astronomical Society Publications Series , Volume 1: AGN in their cosmic environment , 2001 , pp. 187 - 190
- Copyright
- © EAS, EDP Sciences 2002