3C 42


Basic Data
S178 Alpha FR Class ID Spectrum Best z mag. LAS lg P178 D
13.10.73IICD Gal0.395r = 20* 31.0026.52 132.1


Size: 76.8 × 76.8 arcsec²
LUT: Logarithmic
Beam: 1.2 arcsec
Frequency: 1477 MHz
Method: CLEAN ՘>1.2
Telescope: VLA A
Credits: Leahy & Perley (1991)

The red cross marks the position of the flat-spectrum core detected at higher frequncies (e.g. Fernini et al. 1997), and also of the host galaxy, a member of a small group (de Vries et al. 2000).

Fernini et al.'s image shows that the northern hotspot is double.

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