dsb at ast.man.ac.uk
Sat Feb 19 02:23:24 PST 2005
> > It would seem reasonable that a unit conversion scheme should be
> > able to determine the conversion from Jy/sr to Jy/arcmin**2 without needing
> > UCDs.
> And we already have a reasonable answer:
> If I submit this unit ratio: (Jy/sr)/(Jy/arcmin2)
> I get the following
> ----> Factor 2.693409339497422e-08;
> No need of UCD for simple unit scaling problems...
Is the determination of this factor based on a dimensional analysis of the
two units, or is it determined by parsing the units strings?
My point was that, whilst I understand how to do this by parsing the units
strings, I can't see how to do it on the basis of DIMEQ, SCALEQ and UCDs
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