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Article contents
Simultaneous UBVRI Light Curves of the Seyfert Galaxy NGC 4151 During the Extraordinary Brightening in 1989–1996
Published online by Cambridge University Press: 25 May 2016
Extract
The nucleus of the Seyfert galaxy NGC 4151 is known to be variable in the optical on different timescales: from minutes to tens of years. A new cycle of activity of the nucleus is investigated from 1989.
- Type
- IV. AGN Related Phenomena
- Information
- Symposium - International Astronomical Union , Volume 194: Activity in Galaxies and Related Phenomena , 1999 , pp. 436 - 437
- Copyright
- Copyright © Astronomical Society of the Pacific 1999