3C 76.1


Basic Data
S178 Alpha FR Class ID Spectrum Best z mag. LAS lg P178 D
13.30.77IBTJ Gal0.0324R(c) = 14.14 200.0024.33 118.8


Size: 384.0 × 384.0 arcsec²
LUT: Linear
Beam: 4.9 arcsec
Frequency: 1477 MHz
Method: VTESS ՘>4.9
Telescope: VLA B+C
Credits: Leahy & Perley (1991)

The host galaxy is centred between the two jets; the position is marked on our image by a small red dot, which coincides with the flat-spectrum core prominent at higher resolution and frequency (e.g. Vallée 1982, Macklin 1983). The HST image (Sparks et al. 2000) shows a dust disk roughly perpendicular to the jets.

The jets are rather low contrast. The lobes have a very sharply defined outer boundary, and the jets reach nearly to the end of the source, so this is a classic bridged twin-jet. In fact the north-west jet points to a "warm spot" near the lobe boundary which might play the role of a hotspot for this weak jet, as suggested by Macklin.

The DRAGN is in an unusually isolated environment for an FR I. There is no discernable cluster around it and no detectable hot gas, either via X-ray emission (Miller et al. 1999), or Faraday rotation (Vallée 1982).

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Page created: 2009 Apr 2 14:16:42
J. P. Leahy