PKS 0743$-$67: An Ultra-luminous Accretion Disk and a High Kinetic Luminosity Jet

Abstract

In this letter, deep radio observations of the quasar PKS 0743$-$67 are presented that reveal a central engine capable of driving jets with enormous kinetic luminosity, $Q>4.1\times 10^{46}ergs/s$. This result is significant because archival optical spectral data indicates that the accretion disk has a thermal luminosity, $L_{bol}>2\times 10^{47}ergs/s$. Furthermore, estimates of the central black hole mass from line widths indicate that $L_{bol}/L_{Edd}\approx 1$. This suggests that neither a large $L_{bol}$ nor $L_{bol}/L_{Edd}$ suppresses jet power in quasars, despite claims that they do in the recent literature. Earlier studies have found $L_{bol}$ and $Q$ are correlated in blazars. However, by removing the BL-Lacs and leaving only the quasars in the sample, we found that $Q$ is very weakly correlated with $L_{bol}$ in the subsample.

To appear in ApJ Letters

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