On Fri, 16 May 2003, Peter W. Draper wrote:
> On Thu, 15 May 2003, Tim Jenness wrote:
>
> > Sorry it's a bit late but here is the information you were wanting about
> > submm line transitions.
> >
> > Two line catalogues are available at:
> >
> > JPL: http://spec.jpl.nasa.gov//ftp/pub/catalog/catform.html
> > http://spec.jpl.nasa.gov/home.html
> >
> > LOVAS: http://physics.nist.gov/PhysRefData/micro/html/contents.html
> > NIST: http://physics.nist.gov/PhysRefData/contents.html
> >
> > I've also attached a Java module that has all the common rest frequencies
> > built in. Frequencies are in kHz.
>
> Hi Tim,
>
> thanks for this. My initial thoughts are that the Java stuff looks more
> immediately useful than the on-line catalogues (clearly to make use of
> them will require some non-trivial thought about how to make and organise
> the queries). So will having just the common-lines around be useful? Or
> just enough to be annoying?
Sure. I was just being completist! The Java code has all the commonly used
lines but is not complete (especially with the molecules that have
hyperfine transitions). We use it in our Observing Tool. Those lines will
be very useful even without being complete.
>
> > Will these lines correctly align with SpecFrames that have velocity
> > shifts present?
>
> Assuming all the SpecFrame attributes (for the spectrum and the line data)
> are correct, I'd guess so (DSB?).
>
--
Tim Jenness
JAC software
http://www.jach.hawaii.edu/~timj
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