...${\sim}20''$

In the Torrelles et al. (1992) map, the presence of extended emission is suggested only by the weakest contours, below the $3\sigma$ level.

.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.

... uncertain

The 8.4 GHz observations were conducted by Hunter et al. (1999) in snapshot mode, with a few minutes of integration, whereas our 8.4 GHz observations last for about one hour, allowing a significant sensitivity improvement.

.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.