[daip] SETJY

[Eric Greisen]

Rick Perley wrote:
>    Eric:
> 
>    SETJY is not doing what the HLPfile says it does when setting the 
> flux density of a source when the spectral index is included.  The 
> documentation says the zero-point flux is that at 1 GHz.  But in fact, 
> the reference point is the reference frequency in the header.  I checked 
> this by running SETJY twice, setting FLUX(1) to the 1 GHz and reference 
> frequency values, along with the spectral index.  Only the latter gave 
> me the correct values.
> 
>    I personally think the reference frequency is the right way - people 
> are not likely to know the 1 GHz value in general, but they will 
> generally know the value within the baseband frequency zone ...
>    Rick
	

I have added more words for people who think that help is obtained with 
the word INP.  ZEROSP is at BIF if OPTYP=' ' and at 1 GHz if OPTYP='SPEC'

Eric Greisen