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J/MNRAS/259/563      Double star CCD observations                  (Argue+ 1992)
Double star CCD astrometry and photometry
     Argue A.N., Bunclark P.S, Irwin M.J., Lampens P., Sinachopoulos D.,
     Wayman P.A.
    <Mon. Not. R. Astron. Soc. 259, 563 (1992)>
    =1992MNRAS.259..563A
ADC_Keywords: Stars, double and multiple ; Positional data; Photometry

Keywords: techniques: image processing - astrometry - binaries: close -
        binaries: visual

File Summary:

       FileName      Lrecl  Records   Explanations

ReadMe            80        .   This file
table6            84     1064   v ≥ 9 mag. and rho < 5"
table7            84      346   v ≥ 9 mag. and rho ≥ 5 "
table8            84      729   8 ≤ v < 9 mag. and rho < 5 "


Byte-by-byte Description of file: table6 table7 table8

   Bytes Format  Units   Label    Explanations

   1-  4  I4     ---     Nr       an internal number
   6- 15  A10    ---     IDS      Identification in the "Catalogue of the
                                    Components of Double and Multiple stars"
                                    (CCDM, Dommanget 1985; equinox 1900)
  17- 24  A8     ---     Name     Double star designation
  26- 32  F7.2   yr      t        Epoch of observation;
  34- 36  I3     deg     theta    []? Position angle of component B
                                   relative to A (N through E);
  38- 42  F5.2   arcsec  rho      []? Angular separation rho of A,B
  44- 48  F5.2   arcsec  d        []? Distance between the two positions
                                   derived for B relative to A, giving an
                                   estimate of the precision
  50- 54  F5.2   mag     mvA      Apparent V magnitude of the A component
  56- 60  F5.2   mag     mvB      []? Apparent v magnitude of the B component
  62- 63  I2   0.1arcsec sv       FWHM of the derived PSF for the v images
                                    (see 3; unit 0.1 arcsec);
  65- 69  F5.2   mag     mrA      Apparent R magnitude of the A component;
  71- 75  F5.2   mag     mrB      []? apparent R magnitude of the B component
  77- 78  I2   0.1arcsec sR       []? FWHM of the derived PSF for the
                                    R magnitude
  80- 84  F5.3   mag     SD_V     []? Standard deviation of a V magnitude as
                                    determined by the Carlsberg Automatic
                                    Meridian Circle on the mountain. No data
                                    are available for Star No. 4451.


Historical Notes:
    19-Feb-1993 Version
    31-Jan-1993: removed the LaTeX files from "File Summary", and
                 modified the Byte-per-byte Description for NULL values
(End)                                    Francois Ochsenbein [CDS]   31-Jan-1993