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J/A+AS/103/57    Ion-atom collisions in Sun atmosphere          (Mihajlov+ 1994)
Spectral coefficients of emission and absorption due to ion-atom radiation
collisions in solar atmosphere
     MIHAJLOV A.A., DIMITRIJEVIC M.S., IGNJATOVIC LJ., DJURIC Z.
    <Astron. Astrophys. Suppl. Ser. 103, 57 (1994)>
    =1994A&AS..103...57M
ADC_Keywords: Sun; Atomic physics

Keywords: sun: atmosphere - radiation mechanisms: thermal - atomic data -
               atomic processes

File Summary:

       FileName      Lrecl  Records   Explanations

ReadMe            80        .   This file
table1a           66       45   Basic plasma parameters for solar photospheric
                                  model of Maltby et al. (1986), as a function
                                  of height.
table1b           66       29   Basic plasma parameters for solar chromospheric
                                  model of Vernazza et al. (1981) (model C)
table2a           60       45   Emissivity as a function of wavelength and
                                  height for solar photospheric model of
                                  Maltby et al. (1986).
table2b           60       29   Emissivity as a function of wavelength and
                                  height for solar chromospheric model of
                                  Vernazza et al. (1981)
table3a           60       45   Spectral absorption coefficient as a function
                                  of wavelength and height for solar
                                  photospheric model of Maltby et al. (1986).
table3b           60       29   Spectral absorption coefficient as a function
                                  of wavelength and height for solar
                                  chromospheric model of Vernazza et al. (1981)


Byte-by-byte Description of file: table1a table1b

   Bytes Format  Units   Label    Explanations

   5- 10  F6.1   km      h        Height
  14- 19  F6.1   K       T        Plasma temperature
  22- 32  E11.4  cm-3    Ne       Electron density
  34- 44  E11.4  cm-3    Nth      Total hydrogen density
  46- 55  E10.3  ---     eta_e1   (N(H+)/NE)*(N(H)/Ni) ratio (1)
  57- 66  E10.3  ---     eta_ea   N(H+)/Ne ratio (1)

Note (1):
      N(H+) is the proton density,
      Ni is the total density of positive atomic ions and
      N(H) is the atom (H(1s)) density


Byte-by-byte Description of file: table2a table2b

   Bytes Format  Units       Label    Explanations

   1-  6  F6.1   km          h        Height
   7- 15  E9.3   W/cm3/nm    e365     Emissivity at  365 nm
  16- 24  E9.3   W/cm3/nm    e400     Emissivity at  400 nm
  25- 33  E9.3   W/cm3/nm    e500     Emissivity at  500 nm
  34- 42  E9.3   W/cm3/nm    e600     Emissivity at  600 nm
  43- 51  E9.3   W/cm3/nm    e700     Emissivity at  700 nm
  52- 60  E9.3   W/cm3/nm    e820     Emissivity at  820 nm


Byte-by-byte Description of file: table3a table3b

   Bytes Format  Units   Label    Explanations

   1-  6  F6.1   km      h        Height
   7- 15  E9.3   cm-1    K365     Spectral absorption coefficient at 365 nm
  16- 24  E9.3   cm-1    K400     Spectral absorption coefficient at 400 nm
  25- 33  E9.3   cm-1    K500     Spectral absorption coefficient at 500 nm
  34- 42  E9.3   cm-1    K600     Spectral absorption coefficient at 600 nm
  43- 51  E9.3   cm-1    K700     Spectral absorption coefficient at 700 nm
  52- 60  E9.3   cm-1    K820     Spectral absorption coefficient at 820 nm

(End)                                    Francois Ochsenbein [CDS]   17-Nov-1993