And another question from reader Korinne:
With data all observed looking for a particular spectral line over a few objects, should you use different frequency ids for the objects or can you use the same frequency id? I've been using a suggested value of a 2 MHz frequency tolerance in the manual which means they all end up with the same frequency id, but I do not know if it's right.
Thoughts?
1 comment:
When you've got spectral lines in emission, what's the best way of actually reliably measuring them in AIPS? Half the time, when JMFIT is run on a line, the peak and integrated fluxes come out identical (which makes me suspicious!).
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