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II/145  Brightest stars in a foreground field of M31   (Berkhuijsen+, 1988)
A catalogue of the brightest stars in a foreground field of M31
     Berkhuijsen E.M., Humphreys R.M., Ghigo F.D., Zumach W.
    <Astron. Astrophys. Suppl. Ser. 76, 65 (1988)>
    =1988A&AS...76...65B
ADC_Keywords: Regional catalog ; Photometry, photographic


Description:
    Catalogue of 8778 stars in a foreground field based on a set of
    Tautenburg Schmidt plates in U, B, V and R taken by van den Bergh. 
    The range of visual magnitudes of stars is 11.5 < V < 20.

File Summary:

       FileName      Lrecl  Records   Explanations

ReadMe            80        .   This file
catalog.dat       80     8778  *Foreground stars in M31 field

Note on catalog.dat: the astrometry of this catalogue has a systematic
     error in both RA and DEC which may be as large as 10", see
     Magnier et al., 1993A&A...272..695M


See also:
   II/144 : stars in the field of M31.
   II/208 : BVRI CCD photometry in the field of M 31  (Magnier+ 1992)


Byte-by-byte Description of file: catalog.dat

   Bytes Format  Units   Label     Explanations

   1-  3  I3     deg     DecStrip  [39/41] Declination strip number
   6-  9  I4     ---     Sequence  Number within DecStrip
  11- 12  I2     h       RAh       [0] Right Ascension 1950 (hours)
  14- 15  I2     min     RAm       [31/45] Right Ascension 1950 (minutes)
  17- 21  F5.2   s       RAs       Right Ascension 1950 (seconds)
      24  A1     ---     DE-       Declination 1950 (sign)
  25- 26  I2     deg     DEd       [39/41] Declination 1950 (degrees)
  28- 29  I2     arcmin  DEm       Declination 1950 (minutes)
  31- 34  F4.1   arcsec  DEs       Declination 1950 (seconds)
      36  A1     ---     x_Vmag    [B] 'B' if B magnitude given
  38- 42  F5.2   mag     Vmag      [11.4,20.2] V magnitude, unless
                                    x_Vmag specifies that B is given
  43- 46  F4.2   mag     e_Vmag    mean error on V
      47  A1     ---     q_Vmag    [m] 'm' indicating a marginal Vmag
  49- 53  F5.2   mag     (U-B)     [-2.5,3.6]? colour index
  54- 57  F4.2   mag     e_(U-B)   [0.1,0.5]? Mean error on (U-B)
      58  A1     ---     q_(U-B)   [m] 'm' indicating a marginal (U-B)
  60- 64  F5.2   mag     (B-V)     [-1.2,2.5]? colour index
  65- 68  F4.2   mag     e_(B-V)   [0.1,0.5]? Mean error on (B-V)
      69  A1     ---     q_(B-V)   [m] 'm' indicating a marginal (B-V)
  71- 75  F5.2   mag     (V-R)     [-1.2,3]? colour index
  76- 79  F4.2   mag     e_(V-R)   [0.1,0.5]? Mean error on (V-R)
      80  A1     ---     q_(V-R)   [m] 'm' indicating a marginal (V-R)


History:
  The original (non-standard) FITS table has been converted into a
  standard ASCII file at CDS

References:
  Berkhuijsen E.M., Humphreys R.M.: 1989, Astron. Astrophys., 214, 68-78 ;
  Bull. Inf. Centre Donnees Stellaires, 36, 179-180 (1989)
  =1989A&A...214...68B
(End)                                                        [CDS]   28-May-1993