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J/A+A/383/398       Cepheids multiphotometry                  (Paturel+, 2002)
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Calibration of the distance scale from galactic Cepheids:
 I. Calibration based on the GFG sample.
    Paturel G., Theureau G., Fouque P., Terry J.N., Musella I., Ekholm T.
      <Astron. Astrophys. 383, 398 (2002)>
      =2002A&A...383..398P      (SIMBAD/NED BibCode)
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ADC_Keywords: Stars, variable; Photometry, UBVRIJKLMNH
Keywords: galaxies: distances and redshift - galaxies: stellar content -
          cosmology: distance scale

Abstract:
    New estimates of the distances of 36 nearby galaxies are presented
    based on accurate distances of galactic Cepheids obtained by Gieren
    et al. (1998ApJ...496...17G) from the geometrical Barnes-Evans method.
    The concept of ``sosie'' is applied to extend the distance
    determination to extragalactic Cepheids without assuming the
    linearity of the PL relation. Doing so, the distance moduli are
    obtained in a straightforward way. The correction for extinction is
    made using two photometric bands (V and I) according to the
    principles introduced by Freedman & Madore (1990ApJ...365..186F).

File Summary:
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 FileName      Lrecl  Records   Explanations
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ReadMe            80        .   This file
table3.dat        35     1840   Cepheids V and I magnitudes
appendix.dat      59     6040   All raw data of the Cepheid database
refs.dat          83       70   References
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See also:
           V/48    : A catalogue of field type II Cepheids (Harris, 1985)
    J/A+AS/108/9   : Cepheids fundamental parameters I. (Bersier+, 1994)
    J/A+AS/108/25  : Cepheids fundamental parameters II. (Bersier+, 1994)
    J/A+AS/143/211 : Galactic Cepheids BVRI photometry (Berdnikov+, 2000)

Byte-by-byte Description of file: table3.dat
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   Bytes Format Units   Label     Explanations
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   1-  8  A8    ---     Gal       Name of the host galaxy
  10- 17  A8    ---     Star      Name of the Cepheid
  19- 23  F5.3  [d]     logPer    log of the period
  25- 29  F5.2  mag     Vmag      Mean V magnitude
  31- 35  F5.2  mag     Imag      Mean I magnitude
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Byte-by-byte Description of file: appendix.dat
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   Bytes Format Units   Label     Explanations
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   1-  8  A8    ---     Gal       Name of the host galaxy
  10- 17  A8    ---     Star      Name of the Cepheid
  18- 22  A5    ---   r_Star      Code for the bibliographic reference
                                   for the Cepheid name, in refs.dat file
  25- 30  F6.4  [d]     logPer    log of the period
      31  A1    ---   u_logPer    Uncertainty flag on logPer
  34- 35  A2    ---     LC        Classification of the light curve
                                   according to the lines following (1)
  37- 38  I2    ---     Nobs      Number of observations for this star
  40- 41  A2    ---     Band      Photometric band for magnitude  (2)
  43- 47  F5.2  mag     mag       Magnitude (individual observation) (2)
      48  A1    ---   u_mag       Uncertainty flag on mag
  50- 52  A3    ---     Class     Class of magnitude (3)
  55- 59  A5    ---   r_mag       Reference of measurement in refs.dat file
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Note (1): Light curve classification, from Lanoix et al., 1999AN....320...21L:
           N  : Normal
           S  : Symetrical (but high amplitude)
           B  : Bumpy
           B+ : Scattered or very bumpy
           O  : Overtone
           O- : Low amplitude (but asymmetrical or with high period)
           P  : Peculiar
Note (2): Magnitudes from Lanoix et al., 1999AN....320...21L:
           B (440nm), V (550nm), r (650nm), R (700nm), i (820nm), I (900nm),
           IV (1050nm), J (1250nm), H (1650nm), K (2200nm) and g (5000nm)
Note (3): Class of magnitude, from Lanoix et al., 1999AN....320...21L:
           ave: Average of minimum and maximum
           max: Maximum
           mea: Intensity averaged (based on curve area)
           min: Minimum
       'blank': Single measurement
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Byte-by-byte Description of file: refs.dat
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   Bytes Format Units   Label     Explanations
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   1-  5  A5    ---     Ref       Reference code
   8- 26  A19   ---     BibCode   BibCode
  29- 48  A20   ---     Aut       Author's name
  50- 83  A34   ---     Com       Comments
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Acknowledgements: Georges Paturel <patu@obs.univ-lyon1.fr>

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(End)                                          Patricia Bauer [CDS]  21-Jan-2002