This data is from the paper titled "A Possible Complication of Using the 4.14 μm band to Assess D/H Ratios on Icy Bodies" published in The Astrophysical Journal Letters

Authors: M. J. Loeffler, R.A. Carmack, S. C. Tegler 

The data files are for:

Figure 1. Infrared spectra of the HDO and H2O absorption bands in a crystalline H2O
	  sample during irradiation with 10 keV electrons at 50 K  
	
	Figure 1 - Full spectrum.txt - the first column is wavenumber (cm^-1), the 
	second through tenth columns are spectra after fluences 
	(10^14 electrons cm^-2) of 0, 0.95, 2.61, 6.95, 28.0, 101, 341, 510, 
	1590, and the eleventh column is an amorphous reference spectrum taken at 
	50 K.
 
	Figure 1 - HDO region.txt - the first column is wavenumber (cm^-1), the 
	second through tenth columns are spectra after fluences 
	(10^14 electrons cm^-2) of 0, 0.95, 2.61, 6.95, 28.0, 101, 341, 510, 
	1590, and the eleventh column is an amorphous reference spectrum taken at 
	50 K.

	Figure 1 - Near-IR region.txt - the first column is wavenumber (cm^-1), the 
	second through tenth columns are spectra after fluences 
	(10^14 electrons cm^-2) of 0, 0.95, 2.61, 6.95, 28.0, 101, 341, 510, 
	1590, and the eleventh column is an amorphous reference spectrum taken at 
	50 K.

Figure 2. Band depth vs. dose during irradiation with 10 keV electrons at 50 K

	Figure 2 - Band Depth vs. Dose.txt - the first column is the dose 
	(eV H2O^-1), the second column is the band depth of the 4.14 micron band, 
	and the third column is the band depth of the 2 micron band.  

Figure 3. Amorphous fraction of H2O vs. absorbed dose during irradiation with 
	  10 keV electrons at 50 K

	Figure 3 - thin sample.txt - the first column is absorbed dose (eV H2O^-1), 
	the second column is the amorphous fraction calculated from the 4.14 micron 
	band, and the third column is the amorphous fraction calculated from the
	1.65 micron band.

	Figure 3 - thick sample.txt - the first column is absorbed dose (eV H2O^-1) 
	and the second column is the amorphous fraction calculated from the 3 micron
	band.

	Figure 3 - inset.txt - the first column is wavenumber (cm^-1), the second 
	through tenth columns are derivative spectra after doses (eV H2O^-1) of 0, 
	0.08, 0.22, 0.58, 2.35, 8.46, 28.6, 42.8, 133.4, and eleventh column is the 
	derivative of an amorphous reference spectrum taken at 50 K.
	
Figure 4. Band depth correction factor vs. fraction amorphized during irradiation of
          crystalline H2O with 10 keV electrons

	Figure 4 - 10 K.txt - the first column is amorphous fraction and the second 
	column is the normalized band depth at 10 K. 

	Figure 4 - 30 K.txt - the first column is amorphous fraction and the second 
	column is the normalized band depth at 30 K.

	Figure 4 - 50 K.txt - the first column is amorphous fraction and the second 
	column is the normalized band depth at 50 K.

Figure 5. Infrared spectra of HDO and H2O absorption bands of crystalline H2O
	  sample before irradiation, after irradiation, and after irradiation and 
	  subsequent heating and cooling  

	Figure 5 - HDO.txt - the first column is wavenumber (cm^-1), the second 
	column (a) is spectrum before irradiation, the third column (b) is spectrum 
	after irradiating with 10 keV electrons to a fluence of 1 x 10^17 electrons 
	cm-2 at 30 K, and the fourth column (c) is spectrum after heating the 
	irradiated sample to 160 K and recooling it to 30 K.  

	Figure 5 - Near-IR.txt - the first column is wavenumber (cm^-1), the second 
	column (a) is spectrum before irradiation, the third column (b) is spectrum 
	after irradiating with 10 keV electrons to a fluence of 1 x 10^17 electrons 
	cm-2 at 30 K, and the fourth column (c) is spectrum after heating the 
	irradiated sample to 160 K and recooling it to 30 K. 

Columns are tab delimited, with a single row descriptive header. Files are best read by importing into Excel, Origin Pro, or similar software. 




