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J/A+AS/108/287               Atomic data                         (Verner+, 1994)
Atomic data for absorption lines from the ground level at wavelengths
greater than 228 A
         VERNER D.A., BARTHEL P.D., TYTLER D.
      <Astron. Astrophys. Suppl. Ser. 108, 287 (1994)>
      =1994A&AS..108..287V      (SIMBAD/NED Reference)
ADC_Keywords: Atomic physics; Ultraviolet

Keywords: atomic data - quasars: absorption lines - ultraviolet: general


File Summary:

       FileName      Lrecl  Records   Explanations

ReadMe            80        .   This file
table1            24      151   Strong lines above 228 A expected in quasar
                                  absorption systems
table2            69       43   Strongest lines above 228 A without
                                  experimental wavelengths
table3            26       83   Atomic weights and solar-system abundances
table4           108      471   Ionization thresholds and strongest lines of
                                  atoms and ions
table5           102     2267   Resonance absorption lines above 228 A ordered
                                  by element
table6            45     2249   Resonance absorption lines above 228 A ordered
                                  by wavelength


Byte-by-byte Description of file: table1

   Bytes Format  Units   Label        Explanations

   1-  9  F9.4   0.1nm   lambda       Wavelength
  12- 17  A6     ---     Species      Identification
  20- 24  F5.2   ---     P            Expected width (strength) parameter


Byte-by-byte Description of file: table2

   Bytes Format  Units   Label        Explanations

   1-  5  A5     ---     Species      Identification
   8- 28  A21    ---     Transition   Transition
  31- 37  A7     ---     Multiplet    Multiplet
  40- 45  F6.1   0.1nm   lambda       Theoretical wavelength
      48  I1     ---     Gi           Lower level statistical weight
      51  I1     ---     Gk           Upper level statistical weight
  54- 62  E9.3   ---     Fik          Oscillator strength
  65- 69  F5.2   ---     P            Expected width (strength) parameter


Byte-by-byte Description of file: table3

   Bytes Format  Units   Label           Explanations

   1-  2  A2     ---     Element         Chemical element
   5-  6  I2     ---     Z               Atomic number
   9- 19  F11.7  ---     Atomic          weight   Atomic weight
  22- 26  F5.2   ---     Abundance       Solar-system abundance


Byte-by-byte Description of file: table4

   Bytes Format  Units   Label          Explanations

   1-  8  A8     ---     Species        Identification
  11- 12  I2     ---     Z              Atomic number
  15- 16  I2     ---     N              Number of electrons
  19- 58  A40    ---     Configuration  Ground state electronic configuration.
                                        Only the five outer shells are indicated
  61- 71  F11.5  eV      E              Ionization potential
  74- 82  F9.4   0.1nm   lambda         Vacuum wavelength
  85- 86  I2     ---     Gi             Lower level statistical weight
  89- 90  I2     ---     Gk             Upper level statistical weight
  93-101  E9.3   ---     Fik            Oscillator strength
 104-108  F5.2   ---     P              Expected width (strength) parameter (1)

Note (1): P=log(λf)+log(N/NH)+12.00



Byte-by-byte Description of file: table5

   Bytes Format  Units   Label           Explanations

   1-  7  A7     ---     Species         Identification
  10- 11  I2     ---     Z               Atomic number
  14- 15  I2     ---     N               Number of electrons
  18- 41  A24    ---     Transition      Transition
  44- 50  A7     ---     Multiplet       Multiplet
  53- 61  F9.4   0.1nm   lambda          Vacuum wavelength
  64- 65  I2     ---     Gi              Lower level statistical weight
  68- 69  I2     ---     Gk              Upper level statistical weight
  72- 80  E9.3   ---     Fik             Oscillator strength (Opacity Project)
  83- 91  E9.3   ---     F'ik            Oscillator strength (other sources)
  94- 98  F5.2   ---     P               Expected width (strength) parameter (1)
 101-102  I2     ---     Ref             Reference to source of wavelength

Note (1): P=log(λf)+log(N/NH)+12.00



Byte-by-byte Description of file: table6

   Bytes Format  Units   Label           Explanations

   1-  9  F9.4   0.1nm   lambda          Vacuum wavelength
  11- 17  A7     ---     Species         Identification
  19- 20  I2     ---     Z               Atomic number
  22- 23  I2     ---     N               Number of electrons
  25- 26  I2     ---     Gi              Lower level statistical weight
  28- 29  I2     ---     Gk              Upper level statistical weight
  31- 39  E9.3   ---     Fik             Oscillator strength
  41- 45  F5.2   ---     P               Expected width (strength) parameter (1)

Note (1): P=log(λf)+log(N/NH)+12.00



Courtesy: Verner D.A.

(End)                                           Patricia Bauer [CDS] 01-Jul-1994