Abstract
A core and a jet of length ∼ 1.7 pc have been found in the nucleus of NGC6251. The nuclear jet is aligned with both the 200-kpc jet and the outer lobes, which have a separation of ∼ 3 Mpc; the alignment persists over a range of scales ≳ 5 × 106:1. The observations provide strong evidence that energy and momentum are transferred continuously from the central core to the outer lobes by a beam.
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Readhead, A., Cohen, M. & Blandford, R. A jet in the nucleus of NGC6251. Nature 272, 131–134 (1978). https://doi.org/10.1038/272131a0
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DOI: https://doi.org/10.1038/272131a0
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