The Spectral Index — Flux Density Relation and the Cosmological Evolution of Radio Sources

  • V. K. Kapahi
  • V. K. Kulkarni
Part of the Astrophysics and Space Science Library book series (ASSL, volume 121)


A careful redetermination of the α-S relation for radio sources selected from metre-wavelengths surveys does not show any significant flattening of αmedian below S408 ~ 1 Jy contrary to earlier claims. Constraints on evolutionary models of the luminosity function are briefly discussed.


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Copyright information

© Springer Science+Business Media Dordrecht 1986

Authors and Affiliations

  • V. K. Kapahi
    • 1
  • V. K. Kulkarni
    • 2
  1. 1.T.I.F.R CentreBangaloreIndia
  2. 2.Radio Astronomy CentreOotacamundIndia

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