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J/A+AS/102/89     uvby-beta Photometry of G5 stars                  (Olsen 1993)
Stroemgren four-colour uvby photometry of G5-type HD stars brighter than mv=8.6
     OLSEN E.H.
    <Astron. Astrophys. Suppl. Ser. 102, 89 (1993)>
    =1993A&AS..102...89O
ADC_Keywords: Stars, G-type; Photometry, uvby, beta

Keywords: Galaxy:evolution - solar neighbourhood -
          stars: late type - fundamental parameters -
          techniques: photometric - catalogues

File Summary:

       FileName      Lrecl  Records   Explanations

ReadMe            80        .   This file
table8           123      121   121 uvby standards, S cat, standard system
                                        (Southern SAT survey)
table10          123       84   84 uvby standards, L cat, standard system
                                        (Northern KPNO survey)
table12          123       43   43 uvby standards, N cat, standard system
                                        (Northern SPM survey)
table18          124    10151   The catalogue


Byte-by-byte Description of file: table8 table10 table12

   Bytes Format  Units   Label    Explanations

   1-  4  I4     ---     HR       [1/9110]+ HR=BS (Bright Star Catalogue) number
  11- 16  F6.3   mag     Vmag     transformed to the standard Johnson V mag.
  19- 23  F5.3   mag     e_Vmag   mean error on Vmag
  28- 33  F6.3   mag     (b-y)    Stroemgren colour index
  36- 40  F5.3   mag     e_(b-y)  mean error on (b-y)
  45- 50  F6.3   mag     m1       = (v-b) - (b-y)
  53- 57  F5.3   mag     e_m1     mean error on m1
  62- 67  F6.3   mag     c1       = (u-v) - (v-b)
  70- 74  F5.3   mag     e_c1     mean error on c1
  77- 79  I3     ---     w_Vmag   weight of Vmag
  81- 83  I3     ---     w_col    weight of 4-colour indices
  85- 87  I3     ---     NN       Number of nights
  91- 96  F6.3   mag     D(V)     Difference  V(standard) - V(transformed)
 100-105  F6.3   mag     D(b-y)   Difference  (b-y)(st) - (b-y)(tr)
 109-114  F6.3   mag     D(m1)    Difference  m1(st) - m1(tr)
 118-123  F6.3   mag     D(c1)    Difference  c1(st) - c1(tr)


Byte-by-byte Description of file: table18

   Bytes Format  Units   Label    Explanations

   1-  6  I6     ---     HD       [1/298303]+=? HD (Henry Draper) designation
   7- 10  A4     ---     Mult     Identification of visual double star
                                    components included in the diaphragm
      13  A1     ---     Prog     [GCLHYO*] Program star list (1)
  17- 27  A11    ---     DM       Durchmusterung identification (2)
  28- 38  A11    ---     Other    Alternative identification
      39  A1     ---     T        [DGCW% ] Transformation used (see paper) (3)
  44- 49  F6.3   mag     Vmag     transformed to the standard Johnson V mag.
  52- 56  F5.3   mag     e_Vmag   mean error on Vmag
  61- 66  F6.3   mag     (b-y)    on standard Crawford-Barnes system
  69- 73  F5.3   mag     e_(b-y)  mean error on (b-y)
  78- 83  F6.3   mag     m1       on standard Crawford-Barnes system
  86- 90  F5.3   mag     e_m1     mean error on m1
  95-100  F6.3   mag     c1       on standard Crawford-Barnes system
 103-107  F5.3   mag     e_c1     mean error on c1
 110-112  I3     ---     w_Vmag   weight of Vmag
 114-116  I3     ---     w_col    weight of 4-colour indices
 118-120  I3     ---     NN       Number of nights
     124  A1     ---     Note     [NS* ] Notes (4)

Note (1): the symbols are:
     G = G-type star (see paper, section 2.1.1)
     C = Calibration star (see paper, section 2.1.2)
     H = Backup program (see paper, section 2.1.3)
     L = Luyten NGP star
     Y = Hyades star
     O = Coma star
     * = miscellaneous reasons
Note (2): this column contains:
          BD, CD or CP in bytes 17-18;
          SZZNNNNN on bytes 19-26;
          appended letter in byte 27
    NB! This column may be blank or contain alternative identification
Note (3):
     D = GKV transformation,
     G or C = GKIII transformation,
     % W or blank = BAF transformation
Note (4): the symbols are:
     N = visual double star not listed in IDS
     S = star selected as a potential secondary uvby standard
     * = individual note (see paper)


Historical Notes:
    *27-Nov-1993: First archived; table18 had 254 non-blank
                  erroneous HD numbers.
    *25-Jun-1994: Removed in table18 the erroneous HD numbers.
(End)                                    Francois Ochsenbein [CDS]   25-Jun-1994