... NRAO

The National Radio Astronomy Observatory is a facility of the National Science Foundation operated under cooperative agreement by Associated Universities, Inc.

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... IRAS

http://irsa.ipac.caltech.edu/applications/Gator/

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... PIMMS v3.7a

http://heasarc.gsfc.nasa.gov/Tools/w3pimms.html

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... obtain

http://www.astro.ucla.edu/~wright/CosmoCalc.html

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