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No evidence for evolution in the Far-Infrared-Radio correlation out to z ~ 2 in the ECDFS

  • Minnie Y. Mao (a1) (a2) (a3) (a4), Minh T. Huynh (a2) (a5), Ray P. Norris (a3), Mark Dickinson (a6), Dave Frayer (a7), George Helou (a2) and Jacqueline A. Monkiewicz (a8)...

Abstract

The Far-Infrared Radio Correlation (FRC) is the tightest and most universal correlation known among global parameters of galaxies. Here we present the results of our investigation of the 70 μm FRC of starforming galaxies in the Extended Chandra Deep Field South (ECDFS) out to z > 2. In order to quantify the evolution of the FRC we used both survival analysis and stacking techniques, which gave similar results. We also calculated the FRC using total infrared luminosity and rest-frame radio luminosity, qTIR, and find that qTIR is constant (within 0.22) over the redshift range 0 - 2. We see no evidence for evolution in the FRC at 70 μm, which is surprising given the many factors that are expected to change this ratio at high redshifts.

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      No evidence for evolution in the Far-Infrared-Radio correlation out to z ~ 2 in the ECDFS
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      No evidence for evolution in the Far-Infrared-Radio correlation out to z ~ 2 in the ECDFS
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References

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Keywords

No evidence for evolution in the Far-Infrared-Radio correlation out to z ~ 2 in the ECDFS

  • Minnie Y. Mao (a1) (a2) (a3) (a4), Minh T. Huynh (a2) (a5), Ray P. Norris (a3), Mark Dickinson (a6), Dave Frayer (a7), George Helou (a2) and Jacqueline A. Monkiewicz (a8)...

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