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J/A+AS/122/51      B to G stars calibration in Geneva photometry (Kunzli+, 1997)
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A calibration of Geneva photometry for B to G stars in terms of
Teff, logg, and [M/H]
      Kunzli M., North P., Kurucz R.L., Nicolet B.
     <Astron. Astrophys. Suppl. Ser. 122, 51 (1997)>
     =1997A&AS..122...51K      (SIMBAD/NED BibCode)
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ADC_Keywords: Photometry, Geneva ; Models, atmosphere
Keywords: stars: general, atmosphere, fundamental parameters

Description:
   We have used recent Kurucz models and many standard stars to revise
   previous calibrations of the Geneva photometric parameters in terms of
   Teff, logg, and [M/H]. In addition, new parameters pT and pG were defined,
   which are the Geneva equivalents of Stromgren's a and r parameters and
   allow to estimate Teff and logg for stars with intermediate temperature
   (spectral type A0-A3). A fortran code (calib.f) has been written, which
   applies our calibration to stars measured in the Geneva system.
   A conspicuous change in slope appears in the grid d vs B2-V1. It seems to
   be linked with the onset of convection in the superficial layers of the
   star's envelope.

File Summary:
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 FileName    Lrecl    Records    Explanations
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ReadMe          80          .    This file
calib.doc       80         54   *Notes about the code calib
calib.f        119       1185    Source file of the code calib (FORTRAN program)
bcdci           41       5815    grids d vs B2-V1 for all metallicities
bcmci           41       2942    Grids m2 vs B2-V1 for all gravities
ptpgm10i        52        216    Grids pG vs pT for [M/H]=-1.
ptpgp00i        52        238    Grids pG vs pT for [M/H]= 0.
ptpgp10i        52        257    Grids pG vs pT for [M/H]=+1.
xcycm10i        58        360    Grids Y vs X for [M/H]=-1
xcycp00i        58        375    Grids Y vs X for [M/H]= 0.
xcycp10i        58        410    Grids Y vs X for [M/H]=+1.
kurgen.col      69       3804    The Geneva colours (uncorrected) of the Kurucz
                                 models
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Note on calib.doc: bcdci, bcmci, ptpgm10i, ptpgp00i, ptpgp10i, xcycm10i,
    xcycp00i and xcycp10i files contain the numerical values of the corrected
    grids and are necessary to use the code calib.
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Byte-by-byte Description of file: kurgen.col
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   Bytes Format  Units  Label   Explanations
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   2-  7  F6.0   K      Teff    Effective temperature
  11- 14  F4.2  [cm/s2] logg    Surface gravity
  17- 21  F5.2  [Sun]   [M/H]   Metallicity
  24- 29  F6.3   mag    [U-B]   Geneva [U-B] index
  32- 37  F6.3   mag    [V-B]   Geneva [V-B] index
  41- 45  F5.3   mag    [B1-B]  Geneva [B1-B] index
  49- 53  F5.3   mag    [B2-B]  Geneva [B2-B] index
  56- 61  F6.3   mag    [V1-B]  Geneva [V1-B] index
  64- 69  F6.3   mag    [G-B]   Geneva [G-B]  index
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Courtesy: Marc Kunzli <marc.kunzli@obs.unige.ch>

Notes: A new version of calib.f was installed on 26-Jun-1997, by the author.
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(End)                                           Patricia Bauer [CDS] 19-Aug-1996