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Old 27-06-2008, 12:07 PM
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renormalised (Carl)
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Join Date: Apr 2008
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Yes there is.

You can also make one yourself, see here...

http://www.lpl.arizona.edu/~rhill/spect/spect.html

Spectroscopy is extremely interesting, and just figuring out what the spectral class of individual stars is, is just the beginning. Once you start taking spectra of galaxies and such, you get into the really interesting stuff....redshift determination (Z numbers), mass-luminosity-rotation rate functions (Tully-Fisher relationship) and a raft of other goodies
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