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II/115    Faint Blue Objects at High Galactic Latitude     (Warnock+ 1982)
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Faint Blue Objects at High Galactic Latitude. Catalog of Objects in SA28, 29, 
55, 57 and 94
  Warnock III A., Usher P.D.
  <ADC Bull. 1, 195 (1982)>
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ADC_Keywords: Blue objects; Stars, blue; Stars, faint; Stars, faint blue  

Description:
  The data set of Faint Blue Objects at High Galactic Latitude is a
  catalog of objects selected according to relative ultraviolet excess
  from ubv three-color 1.2-m Palomar Schmidt plates. Five selected area 
  fields centered on SA28, SA29, SA55, SA57 and SA94 are included. The 
  data  consist of color classifications, B magnitudes, 1950  equatorial
  coordinates and remarks; the current file contains 3678 objects. 
  Three selected area fields were included originally, centered on SA57 
  (Usher 1981), SA29 (Usher, Mattson and Warnock 1982) and SA28 (Usher 
  and Mitchell 1982).  Areas centered on SA55 and SA94 were added in 1984.

File Summary:
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 FileName    Lrecl    Records    Explanations
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ReadMe          80          .    This file
fntblobj.dat   118       3678    Catalog data
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Byte-by-byte Description of file: fntblobj.dat
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   Bytes  Format  Units  Label     Explanations
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   1-  4   I4     ---    SeqNum    US (sequential number; SA57 (1-634), SA29
                                   (635-1184), SA28 (1185-2363), SA55 (2364-
                                   3101), SA94 (3102-3678).
   6-  9   A4     ---    Color    *Color class
  11- 14   F4.1   mag    B         ?B magnitude was determined by iris 
                                    photometry 
      15   A1     ---    flag      Colon (:) for uncertain magnitude
  17- 18   I2     h      RAh       Right ascension for equinox 1950 (hours)
  20- 21   I2     min    RAm       R.A. (minutes)
  23- 26   F4.1   s      RAs       R.A. (seconds)
      28   A1     ---    DE-       Sign of declination.
  29- 30   I2     deg    DEd       Dec. for equinox 1950 (degrees)
  32- 33   I2     arcmin DEm       Dec. (arcminutes)
  35- 36   I2     arcsec DEs       Dec. (arcseconds)
  38- 52   A15    ---    Rem1     *Notes from original catalogs
  54- 57   A4     ---    fieldID   Field identification (SA57, SA29, SA28).
  59-118   A60    ---    Rem2      Additional remarks.
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Note on Color:
  Color class is based on the following criteria:  
  For U-V < 0:
   1A  - Above the blackbody (BB) line by   delta(U-B) >= 0.15 mag; region 
          populated mainly by quasars.
   1   - Within delta(U-B) approx. +/- 0.15 mag of BB line.
   1B  - Below BB line by delta(U-B) approx. 0.15 mag (in general vicinity of
          white dwarf cooling curve).
   1BS - Close to the luminosity class III-V line for blue halo stars.
  For U-V >= 0:
   1C  - Above the BB line in the region where type N and continuous spectrum
          galaxies often located.
   2   - Below the BB line, but not within the color class 3 region.
   3   - Within the region of the subdwarfs and halo horizontal-branch stars.
  The class field can contain a colon (:) indicating uncertainty, an 
   exclamation point (!) or a question mark (?).
Note on Rem1:
  In the notes from original catalogs, the following abbreviations are 
   employed:
    E:  edge zone -- object within approx. 1 deg of plate edge
    G:  galaxy, as determined from morphology plate
    CG: compact galaxy
    C:  confused source
    Q:  known quasar (from Veron and Veron 1974 and succeeding papers)
    ?:  uncertainty
    R:  remark in bytes 59 to 118

Remarks, Modifications, Acknowledgments and References:
  The Faint Blue Objects at High Galactic Latitude data file was received on
  magnetic tape from A. Warnock III on 2 April 1982.  The only modifications
  made to the file were that the B magnitude field was converted to a blank
  field when no value is given (it was 0.0 when received) and the logical
  record length was changed from 132 bytes to 118 bytes, since bytes 119 to
  132 were never used.  Additional data for SA55 and SA94 were received in
  1984 and were incorporated into the existing catalog in the same format. 
  For a discussion of the methods employed in object selection, see Usher 
  (1981) and Warnock and Usher (1982).

References:
  Usher P.D. 1981, Astrophys. J. Suppl. 46, 117.
  Usher P.D., Mattson D., Warnock III A. 1982, Astrophys. J. Suppl. 48, 51.
  Usher P.D., Mitchell K.J. 1982, Astrophys. J. Suppl. 49 
  Veron M.P., Veron P. 1974, Astron. Astrophys. Suppl. 18, 309.
  Warnock III A., Usher P.D. 1982, Astron. Data Center Bull. 1, 195.
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(End) M.C. Larkin [SSDOO/ADC]  C.-H. Joseph Lyu [Hughes STX/NASA]  25-May-1995