UCD for query

Mcglynn, Thomas A. (GSFC-6601) Thomas.A.McGlynn at NASA.gov
Tue Oct 21 19:52:51 CEST 2014

That's interesting.  Generally we've found that some quantitative 
description of the energy min/max is more useful than arbitrary bands.  
In the optical where there are a fair number of conventional response 
curves such labels may make more sense, i.e., U, V, ... colors.  But the 
UCD em coverage in HEA bands is pretty limited -- only three ranges in 
the X-ray and we have 'hard' gamma-rays that are a few percent  of the 
minimum energy detectable by Fermi much less Cherenkov telescopes and 
the like.   So there's not really useful resolution using just UCDs.


Roy Williams wrote:
> On 10/21/14, 7:48 AM, Mcglynn, Thomas A. (GSFC-6601) wrote:
> > More seriously, I'd be interested in how others have been finding value
> > in carefully defined UCDs.
> Tom
> We are using UCD's in LIGO-land for the electromagnetic followup 
> program. Those astronomers who will do follow-up of a LIGO 
> gravitational wave event are expected to report, including the EM band 
> in which the observations were taken, for which we are using the em.* 
> stem from UCD.
> Roy
> ---
> Caltech LIGO
> roy at caltech.edu
> 626 395 3670

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