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-α) in the frequency range 0.4–15 GHz.
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References
C. Fanti et al., 1983, Astron. Astrophys., 118, 171
H. Kühr et al., 1978, MPIfR preprint No 55
D. Tytler and I. Browne, 1985, M.N.R.A.S. in press
I. Browne et al., 1985, M.N.R.A.S., 213, 945
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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
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