The LOFAR Two-metre Sky Survey Deep fields: The mass dependence of the far-infrared radio correlation at 150 MHz using deblended Herschel fluxes
- McCheyne, I.
- Oliver, S.
- Sargent, M.
- Kondapally, R.
- Smith, D.
- Haskell, P.
- Duncan, K.
- Best, P. N.
- Sabater, J.
- Bonato, M.
- Calistro Rivera, G.
- Cochrane, R. K.
- Campos Varillas, M. C.
- Hurley, P.
- Leslie, S. K.
- Ma?ek, K.
- Magliocchetti, M.
- Prandoni, I.
- Read, S.
- Rottgering, H. J.A.
- Tasse, C.
- Vaccari, M.
- Wang, L.
DOIAbstract
The far-infrared radio correlation (FIRC) is one of the strongest correlations in astronomy, yet a model that explains this comprehensively does not exist. The new LOFAR all Sky Survey (LoTSS) deep field, ELAIS-N1, allows exploration of this relation in previously unexplored regions of parameter space of radio frequency (150 MHz), luminosity (L150a <a1024.7), redshift (zaa 1), and stellar mass M∗a <a 1011.4. We present accurate deblended far-infrared (FIR) flux measurements with robust errors at 24, 100, 160, 250, 350, and 500 μm from Spitzer and the Herschel Space Observatory using XID+. We find that the FIRC has a strong mass dependence, the evolution of which takes the form qTIR(M∗) = (2.00a ± a 0.01)+(a0.22a ±a 0.02)(log(M/M∗)a10.05). T...
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