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Fig. 10


Photoionzing photon rate (Q) measured by the submm-RRLs (this paper) as a function of Lyman photon flux estimated by 5 GHz radio continuum emission from CORNISH and RMS surveys (Urquhart et al. 2007; Purcell et al. 2013). Those two parameters have the same unit (s−1), the number of photons per time. The equality of both axes is indicated with a black dashed line. The color dotted and dashed lines present the best linear fits to the data points calculated for different electron temperature and density in Eq. (1). The black data points are estimated with Te = 104 K and ne = 104 cm−3.

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