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Steep Spectrum Radio Sources Showing Low Frequency Variability

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Structure and Evolution of Active Galactic Nuclei

Part of the book series: Astrophysics and Space Science Library ((ASSL,volume 121))

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Abstract

The Bologna group has been carrying on a monitoring program at 408 MHz of more than a hundred sources since 1975. Among sources found to be variable or possibly variable (Fanti et al., 1983) a small sample (10) has steep spectrum (α∿ 0.6, S ∝ν) in the frequency range 0.4–15 GHz.

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© 1986 Springer Science+Business Media Dordrecht

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Mantovani, F. et al. (1986). Steep Spectrum Radio Sources Showing Low Frequency Variability. In: Giuricin, G., Mardirossian, F., Mezzetti, M., Ramella, M. (eds) Structure and Evolution of Active Galactic Nuclei. Astrophysics and Space Science Library, vol 121. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-4562-3_62

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  • DOI: https://doi.org/10.1007/978-94-009-4562-3_62

  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-94-010-8528-1

  • Online ISBN: 978-94-009-4562-3

  • eBook Packages: Springer Book Archive

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