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
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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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