Evidence for a maximum jet efficiency for the most powerful radio galaxies

We use new mid-infrared (mid-IR) photometry from the Spitzer Space Telescope to study the relations between low-frequency radio luminosity density L_151MHz, mid-IR (12um rest-frame) luminosity L_12um, and optical-emission-line ([OII]) luminosity L_[OII], for a complete sample of z~1 radio galaxies from the 3CRR, 6CE, 6C*, 7CRS and TOOT00 surveys. The narrow redshift span of our sample (0.9

Keywords:

• Accretion (meteorology)
• Astrophysics
• Scaling
• Spitzer Space Telescope
• Astronomy
• Photometry (optics)
• Luminosity
• Physics
• Redshift
• Radio galaxy
• positive correlation
• maximum efficiency

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