Radiation field units
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Author:  Aaron [ Mon Apr 19, 2010 11:41 am ]
Post subject:  Radiation field units

I am interested in using the interstellar radiation field data from astro-ph/0507119. I have downloaded the fits file from the galprop page. The fits header says that they are microns eV cm^-3 microns^-1. Am I correct in assuming that the data is therefore 1/ \lambda *dU/d\lambda, where U(E) is the energy density in eV/cm^3? Or is it rather 1/lambda dU/d(1/lambda)? It's a crucial distinction.

thanks for your time.


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