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VI/69               Atomic Spectral Line List    (Hirata+ 1995)
================================================================================
Atomic spectral line list
    Hirata R., Horaguchi T.
   <Department of Astronomy, Faculty of Science, Kyoto University, and
    National Science Museum, 3-23-1 Hyakunin-cho, Shinjuku-ku, Tokyo (1995)>
================================================================================
ADC_Keywords: Atomic physics ; Multiplet ; Spectroscopy

Description:
    This compilation is aimed at providing a general catalog of atomic   
    lines for comparatively low-ionized species, laying emphasis on their  
    transition probabilities, and consists of three files:                 
                                                                        
    file 1:  Description and status report for each ion(this file),      
    file 2:  Table of references(1,144 references from Kelly(1987,=K003),
            and 655 additional references)                              
    file 3:  Atomic line table                                           
                                                                        
                                                                        
   The catalog.dat file includes wavelength, line classification,      
   laboratory intensities and transition probabilities. We treat mainly   
   permitted lines.  Damping constants and collision cross section are out
   of scope.                                                              
   We make an effort to be as self-consistent as possible, for examples, 
   between wavelength and energy levels, and in the multiplet-number       
   designation. The former example enables us to find misprints in         
   literatures. The latter example requires that we frequently change      
   the multiplet members or to re-define the multiplet number itself, when 
   energy level or term designation are altered from those of Moore.       
   Predicted wavelengths are calculated by the dispersion formula given   
   by B.Edlen(1966,Metrologia, 2, p71), except for platinum lines where    
   main source(Reader et al. 1988,=R023) employed Peck & Reeder's(1972,J.  
   Opt.Soc.Americ. 62, p158) three-term formula.                           
   Based on this compilation, the data retrieval system ATMLINE is open  
   to Japanese users through Data Processing Center of Kyoto University,   
   since 1989.                                                             
                                                                        
   Main features of our list are as follows:                             
                                                                        
      *wavelength region : 1.4 to 10,000nm                              
      *elements          : z=1 to 92(with some heavy ions missing)      
      *ionization stage  : all for z<=8, I to VI for z=9-30, I to II or 
                            V for z=31-92                               
      *total number of lines : 629,771 lines.                           
                                                                        
   The main sources are as follows:                                      
                                                                        
      1. Starting files are Kurucz(1975,1989,=K000, K002) which give    
        semi-empirical gf-values for many ions.                         
      2. Energy levels are adopted from recent compilations(e.g., Sugar 
        & Corliss(1985,=S001) or individual works.                      
      3. We merged Kelly's(1983,=K001) list into our file(wv<3500A).    
         We make an effort to collect the best wavelength values,       
         especially for the region above 3500A. Thus, this compilation  
         can be regarded as an extension of Kelly's ultraviolet line    
         table towards optical and infrared regions, though still       
         incomplete.                                                    
      4. The gf-values are first taken from the several compilations(   
        e.g.,Martin et al.(1988,=M005), Fuhr et al.(1988,=F005), Wiese &
        Martin(1980,=W002), Wiese et al.(1966,1969,=W001) and Morton    
        (1991,=M013)). We also adopted published results of Opacity     
        Project(see Seaton,M.J. 1987, J.Phys. B20, 6363), and the other 
        recent articles(about 360 references).                          
      5. The multiplet numbers are from Moore's Multiplet Tables(refs.  
        0488 & 1015). We adopt Moore's new compilations for C,N,O, and  
        Si(refs.0504,0507,0510,0511,0521,0522,0523,0628,M012, and M058).
        Adelman's compilation for Mn I and Co II are also adopted.      
      6. Laboratory intensities are taken from various sources, though  
        incomplete at present.   The most important source is Meggers   
        et al.(1975,=M003). Kelly's(1983,=K001) intensities are kept in 
        priciple(wv<3500A).                                             
                                                                        
                                                                        
File Summary:
--------------------------------------------------------------------------------
 FileName    Lrecl    Records    Explanations
--------------------------------------------------------------------------------
ReadMe          80          .    This file
explain.txt     72       7125    Description and Explanations
catalog.dat    161     629771    The catalogue of Atomic Spectral Lines
refs.dat       152       1799    The references
--------------------------------------------------------------------------------

Byte-by-byte Description of file: catalog.dat
--------------------------------------------------------------------------------
   Bytes Format  Units   Label     Explanations
--------------------------------------------------------------------------------
   1-  4  I4     ---     ION       [101/9202] Ion number (e.g. 2602=Fe II)
   5- 14  F10.5  0.1nm   lambda    Wavelength in Angstrom
      15  A1     ---     n_lambda  [-+] Note on lambda:                  (1)
      16  A1     ---     Hyb       [-#0-9] Hybridation                   (2)
  17- 20  A4     ---     r_lambda  Reference number for lambda
      21  A1     ---     Rem1      [FRSMWhi] Remark                      (3)
      22  A1     ---     Rem2      [SFhi] Remark                         (4) 
      23  A1     ---     Rem3      [AN?] Remark                          (5)
      24  A1     ---     Rem4      [AMNPQ?] Remark                       (6)
  25- 31  F7.4   ---     gf1       [/3]? Primary log gf value
  32- 34  A3     ---     q_gf1     [ E?<L0-9] quality of gf1             (7)
  35- 38  A4     ---     r_gf1     Reference number for gf1
  39- 45  F7.4   ---     gf2       [/3]? Secondary log gf value
  46- 48  A3     ---     q_gf2     [ E?<L0-9] Quality of gf2, the meaning
                                     is same as in q_gf1
  49- 52  A4     ---     r_gf2     Reference number for gf2
  53- 58  A6     ---     Int1      Laboratory intensity 1                (8)
  59- 62  A4     ---     r_Int1    Reference number for Int1
  63- 68  A6     ---     Int2      Laboratory intensity 2                (8)
  69- 72  A4     ---     r_Int2    Reference number for Int2
  73- 76  A4     ---     r_class   Reference number for line classification
  77- 83  A7     ---     Mult      Multiplet number                      (9)
      84  A1     ---     r_Mult    [=AKMNQCS] source of multiplet number (10)
  85- 97  F13.4  cm-1    E1        [0/1.1e7]? Lower energy level (cm^(-1))
      98  A1     ---     n_E1      [?A-Z] Note on E1:                    (11)  
  99-100  I2     ---     g1        [1/98]? Statistical weight, lower energy 
                                     level
     101  A1     ---     n_g1      [#?0-9] Remark on g1                  (12) 
     102  A1     ---     n_E1GA    [GA]  Remark on E1                    (13) 
 103-111  A9     ---     Term1     Lower term                            (14)
 112-115  A4     ---     r_E1      Reference number for E1
 116-128  F13.4  ---     E2        [1.e3/1.4e7]? Upper energy level (cm^(-1))
     129  A1     ---     n_E2      [A-Z?]                                (15)
 130-131  I2     ---     g2        [1/98]? statistical wt of upper energy level
     132  A1     ---     n_g2      [#?0-9] remark on g2, same as in n_g1
     133  A1     ---     n_E2GA    [GA] remark on E2, same as in n_E1GA
 134-142  A9     ---     Term2     Upper term                            (14) 
 143-146  A4     ---     r_E2      reference number for E2
 147-152  F6.3   ---     gfKP      [/3]? log gf given by Kurucz(K000 or K002)
 153-161  F9.4   0.1nm   lamKP     [0/99999]? original wavelength in K000 or 
                                     K002
--------------------------------------------------------------------------------
Note (1): These are given only for 1999.3520A <= lambda < 2000.0000A.
     Vacuum wavelength below 1999.3520A, air wavelength above 2000.0000A.
     - = vacuum wavelength
     + = air wavelength 
Note (2): These are introduced, for example, for the mean wavelength
     of the multiplet.
     numerals = number of component
     #        = composite line
     -        = component for which composite wavelength is given elsewhere    
Note (3): This terminology was introduced by Kelly(1983,=K001).
 'F'    : forbidden
 'R'    : forbidden,quadrupole
 'S'    : standard wavelength
 'M','W': secondary standard
 'h'    : hyperfine structure detected
          or hyperfine component
 'i'    : isotope
Note (4): This terminology was introduced by Kelly(1983,=K001).
 'S'    : solar
 'F'    : flare
 'h'    : hyperfine structure detected
          or hyperfine component
 'i'    : isotope
Note (5): This terminology was introduced by Kelly(1983,=K001).
  'A'    : upper state autoionizing
  'N'    : unclassified
  '?'    : line appeared in K000 or K002, but is rejected from current
           term analysis.
Note (6): This terminology was introduced by Kelly(1983,=K001).
  'A'    : observed in absorption
  'M'    : unclassified, uncertain ionization
  'N'    : unclassified
  'P'    : predicted
  'Q'    : questionable or uncertain classification
  '?'    : same as in Rem3
Note (7): The accuracies in the NBS compilations(ref.W001,W002,W003,
     Y001,F001,F002) are converted into 'symbolic' numerical values
     (dex) as follows:
                  '003'(AA+)  '004'(AA)  '005'(AA-)
                  '012'( A+)  '013'( A)  '014'( A-)
                  '03 '( B+)  '04 '( B)  '05 '( B-)
                  '09 '( C+)  '10 '( C)  '11 '( C-)
                  '17 '( D+)  '18 '( D)  '19 '( D-).
          A question mark is introduced for the line in K002 whose
      energy level value differs considerably from the current term
      analysis. We re-calculated the wavelength, following the recent
      interpretation, but the gf-value is kept unchanged.
      Note that this mark is not introduced for K000. If lambda differs
      from lamKP greatly, the gf value in K000 is also questionable.
   numerals: 1,000 x error(dex)       
   '  E'   : error>50%                 
   '?  ' or '  ?': questionable       
   '  <'   : upper limit
   '  L'   : our conversion from multiplet gf into its components
            (LS coupling)
   ' EL'   : combination of 'E' & 'L' above
Note (8): The last column is usually used for the quality:
    a    asymmetric
    b    blend, double
    c    complex
    d    diffuse, broad
    h    hazy
    l    shaded towards longer wavelength
    m    masked
    n    nebulous
    p    perturbed by close line
    r    reversed
    s    shaded towards shorter wavelength
    w    wide
    +    slightly larger than
    -    slightly less than
    >    greater than
    ?    questionable
    :    uncertain
    All six columns may be occupied by the intensity value itself in
     the case of wide range intensity scale.
Note (9): The first column is usually 'U'(Moore's ultraviolet multiplet
     tables=ref.0488) or 'V'(ref.1015). See section C for others.
Note (10): 'M' : Moore(refs.0488 or 1015)
   '=' : doubly defined in refs.0488 & 1015
   'A' : Moore's new multiplet tables(C,N,O,Si)
           or Adelman's table(Mn I & Co II)
   'K' : Kelly(1983,=K001)
   'N' : NBS gf-compilation(W001 etc.)
   'Q' : our finding or our re-definition
   other symbols: see section C of document for individual ion
Note (11): alphabetic: unknown constant to be added to E1
   '?'   : questionable E1
Note (12): numerals: number of levels concerned
     '#' : "multiplet" g-value
     '?' : questionable
Note (13): 'G' : ground level
           'A' : level above the first ionization limit
Note (14): We usually adopt Kelly's(1983,=K001) expression for the term
     designations other than the LS coupling.
Note (15): alphabetic: unknown constant to be added to E2
           '?'       : questionable E2
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Byte-by-byte Description of file: refs.dat
--------------------------------------------------------------------------------
   Bytes Format  Units   Label    Explanations
--------------------------------------------------------------------------------
   1-  4  A4     ---     Refno    Reference number
                                   numeric code: defined by Kelly(1987,=K003)
                                   alphanumeric code: our definition
   6-  9  I4     yr      Year     [1914/1993] Published year
  11-152  A142   ---     Text     free format:
                                   from 11- : authors
                                   after *  : journal
                                   after %  : contents
                                   after #  : number of lines appearing
                                              in the paper
--------------------------------------------------------------------------------

================================================================================
(End)                                       Ryuko Hirata [NAOJ]      21-Dec-1994

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