Re: avoid filtering on ENERGY column prior to spectral analysis

From: Jonathan McDowell (jcm@head-cfa.harvard.edu)
Date: Wed Jan 24 2001 - 15:58:01 EST

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Pat,
You are correct that the ENERGY column should only be used for
selecting broad bands for imaging. For spectral analysis, I recomment
oops recommend that you don't do any energy filtering and simply
use the ignore command in Sherpa or XSPEC to select your energy
range for fitting.
- Jonathan

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