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J/A+AS/115/315     uvby light curves of the system V539 Arae  (Clausen+, 1996)
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Four-colour photometry of eclipsing binaries.
XXXVII. Light curves of the B-type system V539 Arae
     Clausen J.V., Garcia J.M., Gimenez A., Helt B.E., Jensen K.S.,
     Suso J., Vaz L.P.R.
    <Astron. Astrophys. Suppl. Ser. 115, 315 (1996)>
    =1996A&AS..115..315C      (SIMBAD/NED BibCode)
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ADC_Keywords: Binaries, eclipsing ; Photometry, uvby
Keywords: binaries: eclipsing - binaries: spectroscopic -
          stars: oscillations - stars: individual: V539 Ara -
          stars: individual: HR6614 - stars individual: HR6632

Description:
    Accurate uvby light curves of the southern, detached, double-lined
    eclipsing binary V539 Ara (HR 6622A, HD 161783, V=5.71mag , B3V+B4V,
    P=3.17d) are presented. They contain 1409 observations in each colour,
    collected 1982-1984. Typical mean errors are 0.003-0.004mag.
    Observations for 8 additional times of minima from 1985-1994 are
    included. The secondary component belongs to the group of slowly
    pulsating B (or SPB) stars. An analysis of V539 Ara based on the new
    photometry and the spectroscopic orbit by Andersen (1983A&A...118..255A)
    is published separately (Clausen 1995).

Objects:
   ------------------------------------------------------------------------
     RA  (2000)  DE       Name(s)
   ------------------------------------------------------------------------
   17 50 28.2 -53 36 46   V539 Ara = HR 6622 = HD 161783 = IDS 17423-5335 A
   17 48 38.0 -55 24 08   HR 6614 = HD 161420
   ------------------------------------------------------------------------

File Summary:
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  FileName      Lrecl  Records   Explanations
--------------------------------------------------------------------------------
ReadMe             80        .   This file
table2             64     1409   Light curves V539 Ara - HR6614 in the
                                 1982-1984 instrumental system (uvby)
table3             64      347   Magnitude differences V539 Ara - HR6614
                                 in the 1985-1994 instrumental system (uvby)
                                 for 8 additional times of minima
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 See also:
    J/A+AS/101/563 : GG Lupi ubvy photometry (Clausen+ 1993)
    J/A+AS/109/425 : AO Velorum ubvy photometry (Clausen+ 1995)
    J/A+AS/112/123 : LZ Centauri ubvy photometry (Vaz+ 1995)
    J/A+AS/125/471 : Light curves of the triple system V906 Sco (Vaz+ 1997)

Byte-by-byte Description of file: table2 table3
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   Bytes Format  Units   Label    Explanations
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   1- 13  F13.5  d       HJD      Julian date
  15- 20  F6.3   mag     ymag     y magnitude
  22- 27  F6.3   mag     b-y      b-y colour index
  29- 34  F6.3   mag     m1       m1 index
  36- 41  F6.3   mag     c1       c1 index
  43- 48  F6.3   mag     bmag     b magnitude
  50- 55  F6.3   mag     vmag     v magnitude
  57- 62  F6.3   mag     umag     u magnitude
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(End)                                       Simona Mei [CDS]         06-Sep-1995