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J/A+AS/98/505       Walraven photometry near AG Car (Hoekzemal+ 1993)
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Walraven photometry of stars near the Luminous Blue Variable AG Carinae
     Hoekzemal N.M., Lamers H.J.G.L.M., van Genderen A.M.
    <Astron. Astrophys. Suppl. Ser. 98, 505 (1993)>
    =1993A&AS...98..505H      (SIMBAD/NED BibCode)
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ADC_Keywords: Photometry, VBLUW ; Stars, early-type
Keywords: interstellar extinction - photometry -
          stars: colors, early type, individual

Abstract:
    We present Walraven-photometric data of 114 stars of 5.9<V<14.7 within
    17 arcmin of the Luminous Blue Variable AG Car (HD 94910). The results
    are expressed in terms of V-magnitude in the Johnson system and in
    observed and extinction-free colours in the Walraven system.
    For a description of the Walraven photometric system, see e.g. <GCPD/11>

Objects:
    -----------------------------------------
       RA  (2000)   DE      Designation(s)
    -----------------------------------------
    10 56 11.6  -60 27 13   AG Car = HD 94910
    -----------------------------------------

File Summary:
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  FileName      Lrecl  Records   Explanations
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ReadMe             80        .   This file
table2            104      201   Walraven photometry
table1             31      114   Program stars
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Byte-by-byte Description of file: table1
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   Bytes Format Units   Label     Explanations
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   1-  2  I2    h       RAh       Right ascension, Equinox 1988 (1)
   4-  5  I2    min     RAm       Right ascension, Equinox 1988 (1)
   7-  8  I2    s       RAs       Right ascension, Equinox 1988 (1)
      10  A1    ---     DE-       Declination sign
  11- 16  F6.3  deg     DEdeg     Declination, Equinox 1988 (1)
  18- 24  A7    ---     Name      Star name
  26- 31  F6.3  mag     Vmag      Johnson-V magnitude
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Note (1): The coordinates are derived from the telescope setting; 
     the 1988 equinox is assumed, the DE seems to be in error by 11' 
     (11' should be substracted to get 1988 Declination).
     The accuracy is +/-4s in RA, +/-.005deg in DE
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Byte-by-byte Description of file: table2
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   Bytes Format Units   Label   Explanations
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   1-  7  A7    ---     Name    Star name
   9- 15  I7    d       HJD     Heliocentric Julian date
  17- 23  F7.4  mag     Vmag    Walraven V magnitude
  25- 30  F6.4  mag     (V-B)   Observed (V-B) colour index in Walraven system
  32- 37  F6.4  mag     (B-U)   ? Observed (B-U) colour index in Walraven system
  39- 45  F7.4  mag     (U-W)   ? Observed (U-W) colour index in Walraven system
  47- 53  F7.4  mag     (B-L)   ? Observed (B-L) colour index in Walraven system
      55  A1    ---   q_Vmag    [0-9*] Quality factor on V Walraven-filter (1)
      56  A1    ---   q_Bmag    [0-9*] Quality factor on B Walraven-filter (1)
      57  A1    ---   q_Lmag    [0-9*] Quality factor on L Walraven-filter (1)
      58  A1    ---   q_Umag    [0-9*] Quality factor on U Walraven-filter (1)
      59  A1    ---   q_Wmag    [0-9*] Quality factor on W Walraven-filter (1)
  61- 63  A3    ---     Obs     Observers  (2)
  65- 71  F7.4  mag     [B-U]   ? Extintion-free colour [B-U]
  73- 79  F7.4  mag     [U-W]   ? Extintion-free colour [U-W]
  81- 87  F7.4  mag     [B-L]   ? Extintion-free colour [B-L]
  89- 95  F7.4  mag     {B-L}   ? Extintion-free colour {B-L}
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Note (1): The quality range from 0=excellent to 9=unreliable.
           * indicates a faulty measurement
Note (2): NMH: Hoekzema, LAR: Larsen, WAN: Wanders
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History: Prepared via OCR at CDS.
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(End)                           James Marcout, Patricia Bauer [CDS]  19-Feb-1997