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Steep Spectrum Radio Sources Showing Low Frequency Variability

  • F. Mantovani
  • I. Browne
  • R. Fanti
  • A. Ficarra
  • T. Muxlow
  • L. Padrielli
  • J. Romney
Chapter
Part of the Astrophysics and Space Science Library book series (ASSL, volume 121)

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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References

  1. C. Fanti et al., 1983, Astron. Astrophys., 118, 171ADSGoogle Scholar
  2. H. Kühr et al., 1978, MPIfR preprint No 55Google Scholar
  3. D. Tytler and I. Browne, 1985, M.N.R.A.S. in pressGoogle Scholar
  4. I. Browne et al., 1985, M.N.R.A.S., 213, 945ADSGoogle Scholar

Copyright information

© Springer Science+Business Media Dordrecht 1986

Authors and Affiliations

  • F. Mantovani
    • 1
  • I. Browne
    • 2
  • R. Fanti
    • 1
  • A. Ficarra
    • 1
  • T. Muxlow
    • 2
  • L. Padrielli
    • 1
  • J. Romney
    • 3
  1. 1.Istituto di RadioastronomiaBolognaItaly
  2. 2.Nuffield Radio Astronomy Labs.Jodrell BankUK
  3. 3.N.R.A.O.CharlottesvilleUSA

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