adding flag 256 per issue #207

cmillion · Jun 21, 2016 · b0e5e59 · b0e5e59
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diff --git a/docs/UserGuide.md b/docs/UserGuide.md
@@ -297,6 +297,8 @@ These flags are automatically set in software based upon conditions that we know
 
 128 - 'bg mask' - annulus events in pixels contiguous to detector edge
 
+256 - 'FUV multimodality' - Includes data from the first three legs of a CAI observation in the FUV, which is strongly correlated to extreme (~15%) outliers in delta-mag vs. mag comparisons against the MCAT. See the gPhoton paper for more information.
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 ####Calling from within the Python Interpreter
 You can also import and work with _gAperture_ and its modules from within the Python interpeter.