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J/ApJ/459/686 Energy Deposition in Interstellar Dust Grains   (Dwek+ 1996)     
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Energy Deposition and Photoelectric Emission from the Interaction of 10 eV 
to 1 MeV Photons with Interstellar Dust Particles                   
    Dwek E., Smith R.K.                                       
    <Astrophys. J. 459, 686 (1996)>                            
    =1996ApJ...459..686D                                              
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ADC_Keywords: Extinction; Opacities: Interstellar medium     
                                                              
Description:                           
   This catalog contains calculated tables of the energy deposition into dust 
   grains by photons with energies between 10 eV and 1 MeV.  The tables give 
   the deposition for 60 different energies and 15 dust grain sizes.  Tables 
   for both silicate and graphite grains are presented.  Photoelectric 
   absorption, auger electrons, and Compton scattering are used in the 
   calculations, which were done with a Mie code when necessary and a particle 
   approach when appropriate.

   The file graphite.dat corresponds to Table 5.1 in the source reference.
   Silicate.dat corresponds to Table 5.2.
                                                              
File Summary:                                                 
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  FileName    Lrecl    Records   Explanations                 
--------------------------------------------------------------------------------
ReadMe           80         .    This file                    
silicate.dat    191        60    Deposition in silicate              
graphite.dat    193        60    Deposition in graphite              
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See also:
   http://adsabs.harvard.edu/article_service.html for source reference.

Byte-by-byte Description of file: graphite.dat silicate.dat
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   Bytes Format  Units   Label    Explanations
--------------------------------------------------------------------------------
   1- 10  F10.2  eV      Ephot    Energy of incoming photon 
  13- 22  E10.4  eV      E5nm    *Energy deposition*Q_abs for grain size=5nm   
  25- 34  E10.4  eV      E7nm    *Energy deposition*Q_abs for grain size=7nm    
  37- 46  E10.4  eV      E10nm   *Energy deposition*Q_abs for grain size=10nm  
  49- 58  E10.4  eV      E15nm   *Energy deposition*Q_abs for grain size=15nm  
  61- 70  E10.4  eV      E20nm   *Energy deposition*Q_abs for grain size=20nm   
  73- 82  E10.4  eV      E30nm   *Energy deposition*Q_abs for grain size=30nm   
  85- 94  E10.4  eV      E50nm   *Energy deposition*Q_abs for grain size=50nm  
  97-106  E10.4  eV      E70nm   *Energy deposition*Q_abs for grain size=70nm   
 109-118  E10.4  eV      E100nm  *Energy deposition*Q_abs for grain size=100nm  
 121-130  E10.4  eV      E150nm  *Energy deposition*Q_abs for grain size=150nm  
 133-142  E10.4  eV      E200nm  *Energy deposition*Q_abs for grain size
 145-154  E10.4  eV      E300nm  *Energy deposition*Q_abs for grain size=300nm  
 157-166  E10.4  eV      E500nm  *Energy deposition*Q_abs for grain size=500nm  
 169-178  E10.4  eV      E700nm  *Energy deposition*Q_abs for grain size=700nm 
 181-190  E10.4  eV      E1um    *Energy deposition*Q_abs for grain size=1micron
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Note on E5nm, E7nm, E10nm, E15nm, E20nm, E30nm, E50nm, E70nm, E100nm, E150nm:
Note on E200nm, E300nm, E500nm, E700nm, E1um:
   These fields contain the energy deposition multiplied by Q_abs. Where
   Q_abs is the dust absorption efficiency calculated from Mie theory.
   The grain size indicated is the dust particle radius.
   The total energy deposited in a dust particle of radius a is therefore
   flux * pi a^2 * dt * table_value; the flux has units of photons per
   cm^2 per second, pi a^2 is the geometric area of the dust, dt is the
   length of time considered, and the table value contains both Q_abs
   (which when multiplied by the geometric cross section gives the cross
   section for absorption) and the energy deposited when that photon is
   absorbed, which may be the entire photon's energy or some lesser
   value.

Acknowledgments:
   The authors thank James Rathkopf and Rick Cullen from LLNL for the
   Auger data, Peter Martin for the UV optical constants, and Alice Trenholm, 
   David Stoutamire, and Ari Laor for useful conversations.

   The ADC thanks author R. Smith for providing the data and the original
   ReadMe document.

Modifications:
   9-July-1997 As submitted, the first record of each data file contained 
   a header record.  These were removed to conform with CDS/ADC standards.
   R. Smith's ReadMe was modified by J. Gass [SSDOO/ADC] to include 
   a byte-by-byte table and additional features of a standard document.
  
References:
   Laor, A., Draine, B.T. 1993, ApJ 402, 441
   =1993ApJ...402..441L
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(End)      Randall Smith [NASA/GSFC]  & James Gass [SSDOO/ADC]   10-July-1997