[mmaimcal] distant Milky Way?

[Simon Radford]

Al,

> there is also the spatial dimension in which one will have adjacent 
> pixels offering up the line; 

If a source appear in more than one pixel (synthesised beam area), then
you are -- gasp -- resolving it. Hence, the flux on some (long)
baselines will be reduced and the SNR will be worse than for the
unresolved, point source cases we have been calculating.

Simon