Access to Astronomical Catalogues

J/A+AS/106/257  Stroemgren photometry of F and G stars              (Olsen 1994)
Stroemgren photometry of F- and G-type stars brighter than V=9.6.
I. uvby photometry
         OLSEN E.H.
         <Astron. Astrophys. Suppl. Ser. 106, 257 (1994)>
         =1994A+AS..106..257O   (SIMBAD/NED Reference)
ADC_Keywords: Stars, F-type; Stars, G-type; Photometry, special systems

Keywords: Galaxy: solar neighbourhood - stellar content - stars: late type -
          fundamental parameters - catalogues

File Summary:

       FileName      Lrecl  Records   Explanations

ReadMe            80        .   This file
table7           126      110   Catalogue of 110 uvby standards stars
table9           124     6190   The catalogue


Byte-by-byte Description of file: table7

   Bytes Format  Units   Label    Explanations

   1-  6  I6     ---     HD       [1/225300]+= HD (Henry Draper) designation
   7- 10  A4     ---     Mult     Identification of visual double star
                                    components included in the diaphragm
  14- 19  F6.3   mag     V        transformed to the standard Johnson V mag.
  22- 26  F5.3   mag     e_V      mean error on V
  31- 36  F6.3   mag     b-y      
  39- 43  F5.3   mag     e_(b-y)  mean error on (b-y)
  48- 53  F6.3   mag     m1       = (v-b) - (b-y)
  56- 60  F5.3   mag     e_(m1)   mean error on m1
  65- 70  F6.3   mag     c1       = (u-v) - (v-b)
  73- 77  F5.3   mag     e_(c1)   mean error on c1
  80- 82  I3     ---     w_V      weight of V
  84- 86  I3     ---     w_col    weight of 4-colour indices
  88- 90  I3     ---     NN       Number of nights
  94- 99  F6.3   mag     D(V)     Difference  V(standard) - V(transformed)
 103-108  F6.3   mag     D(b-y)   Difference  (b-y)(st) - (b-y)(tr)
 112-117  F6.3   mag     D(m1)    Difference  m1(st) - m1(tr)
 121-126  F6.3   mag     D(c1)    Difference  c1(st) - c1(tr)


Byte-by-byte Description of file: table9

   Bytes Format  Units   Label    Explanations

   1-  6  I6     ---     HD       [1/225300]+=? HD (Henry Draper) designation
                                  NB! This column may be blank
   7- 10  A4     ---     Mult     Identification of visual double star
                                    components included in the diaphragm
      13  A1     ---     Prog     [FGCHYOL*] Program star list
                                  F = star from A&AS 54, 55 (F-star catalog)
                                  G,C,H,Y,O,L or * = star from A&AS 102, 89 (1)
  17- 27  A11    ---     DM       Durchmusterung identification
                                    (BD, CD or CP in bytes 17-18;
                                     SZZNNNNN on bytes 19-26;
                                     appended letter in byte 27
                                  NB! This column may be blank
  28- 38  A11    ---     ID       Alternative identification
      39  A1     ---     T        [DGCW% ] Transformation group
                                    (see A&AS 102, 94, sects. 4.4 and 5.1)
                                    D = GKV group,
                                    G or C = GKIII group,
                                    % W or blank = BAF group
  44- 49  F6.3   mag     V        transformed to the standard Johnson V mag.
  52- 56  F5.3   mag     e_V      mean error on V
  61- 66  F6.3   mag     b-y      on standard system
  69- 73  F5.3   mag     e_(b-y)  mean error on (b-y)
  78- 83  F6.3   mag     m1       on standard system
  86- 90  F5.3   mag     e_(m1)   mean error on m1
  95-100  F6.3   mag     c1       on standard system
 103-107  F5.3   mag     e_(c1)   mean error on c1
 110-112  I3     ---     w_V      weight of V
 114-116  I3     ---     w_col    weight of 4-colour indices
 118-120  I3     ---     NN       Number of nights
     124  A1     ---     Note     [* ]
                                  * = individual note (see paper)

Note (1):
        G = G-type star
        C = Calibration star
        H = Backup program
        L = Luyten NGP star
        Y = Hyades star
        O = Coma star
        * = miscellaneous reasons
        see A&AS 102, 99, sect. 5.1 for details


Courtesy: Erik H. Olsen 

(End)                                          Erik Heyn Olsen [CDS] 13-Jun-1994