a science case for 3D data model
dtody at nrao.edu
Mon Feb 14 14:24:06 PST 2005
Igor - What does this have to do with 3D data? This sounds like something
which could be done using 1D spectra, possibly extracted from MOS or IFU
observations. - Doug
On Tue, 15 Feb 2005, Igor Chilingarian wrote:
> On Mon, 14 Feb 2005, Philippe Prugniel wrote:
> > >We need to understand the science
> > >drivers better to analyze this, i.e., what sorts of analysis do we want
> > >to target with this capability.
> > >
> > >
> > I think it is the right way to proceed.
> > First define science cases and the type of data we want to handle. And try
> > to keep as simple as possible.
> The science case that we are working on now is the studies of the stellar
> population history in the nearby galaxies. Technically it is the extraction of
> kinematics and stellar population information from the absorbtion line
> spectra. The required things for us are: relative flux calibration (we don't
> care of the absolute fluxes, but about the correct "shape" of the spectra),
> and precise description of the spectral resolution (line-spread function) and
> its variations over spectral and spatial dimensions.
> With best regards,
More information about the dal