This data is from our submitted paper: "The Contribution of Energetic Electrons to the Sputter-Produced O2 Exosphere on Europa" 

Authors: M.R. Davis, R.M. Meier, J.F. Cooper, M.J. Loeffler 

The data files are for:

Figure 1 top - Sputtering yield (Y) for fresh 5.4 x 10^18 H2O cm^-2 samples irradiated with 0.5 keV electrons
as a function of temperature

	Figure 1 - Y vs. Temp.txt: the columns are temperature (Kelvin), Y_total (grams / electron), 
	and the systematic error in Y_total (+/- g / electron)
 	
Figure 1 bottom - O2 partial pressure for fresh 5.4 x 10^18 H2O cm^-2 samples during irradiation with 0.5 keV electrons
at different temperatures

	Figure 1 - O2 partial pressure 60.2 K.txt: the columns are fluence (electrons cm^-2) and the O2 partial pressure (Torr) during irradiation at 60.2 K
	Figure 1 - O2 partial pressure 80.2 K.txt: the columns are fluence (electrons cm^-2) and the O2 partial pressure (Torr) during irradiation at 80.2 K
	Figure 1 - O2 partial pressure 90.2 K.txt: the columns are fluence (electrons cm^-2) and the O2 partial pressure (Torr) during irradiation at 90.2 K
	Figure 1 - O2 partial pressure 105.4 K.txt: the columns are fluence (electrons cm^-2) and the O2 partial pressure (Torr) during irradiation at 105.4 K
	Figure 1 - O2 partial pressure 114.9 K.txt: the columns are fluence (electrons cm^-2) and the O2 partial pressure (Torr) during irradiation at 114.9 K
	Figure 1 - O2 partial pressure 119.9 K.txt: the columns are fluence (electrons cm^-2) and the O2 partial pressure (Torr) during irradiation at 119.9 K
	Figure 1 - O2 partial pressure 124.5 K.txt: the columns are fluence (electrons cm^-2) and the O2 partial pressure (Torr) during irradiation at 124.5 K		   

Figure 2 top - Y vs. O2 peak partial pressure for fresh 5.4 x 10^18 H2O cm-2 samples irradiated with 0.5 keV electrons at 
temperatures between 45 and 124.5 K.  

	Figure 2 top - Y vs. O2.txt: the columns are O2 peak partial pressure (Torr), systematic error in the O2 Peak Partial Pressure (+ / - Torr), Y_total (grams / electron), 
        and the systematic error in Y_total (+/- g / electron)

Figure 2 bottom - Y for H2O, H2, and O2 as a function of temperature

	Figure 2 bottom - Sputtered flux composition.txt: the columns are temperature (Kelvin), Y_H2O (H2O / electron), Y_H2 (H2 / electron), and Y_O2 (O2 / electron)
	   
Figure 3 - Differential flux estimates for electrons upstream of Europa

	Figure 3 - Differential flux.txt: the columns are Energy (MeV), high flux estimate (electrons cm^-2 sec^-1 sr^-1 MeV^-1), and 
	low flux estimate (electrons cm^-2 sec^-1 sr^-1 MeV^-1)      

Figure 3 - Predicted O2 yield at 115 and 125 K 

	Figure 3 - Predicted O2 yield 115 K.txt: the columns are Energy (MeV) and the predicted O2 yield at 115 K (O2 / electron).
	Figure 3 - Predicted O2 yield 125 K.txt: the columns are Energy (MeV) and the predicted O2 yield at 125 K (O2 / electron).    
	
**These files are best read by importing them into microsoft excel, origin pro or an equilavent software.  The columns 
are delimited by tab.