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J/PAZh/25/764    Multicolor photometry of RY Sct              (Antokhina+, 1999)
Parameters of the peculiar binary RY Sct as inferred from an analysis
of new multicolor photometry.
    Antokhina E.A., Kumsiashvili M.I.
   <Pis'ma Astron. Zh. 25, 764 (1999)>
   =1999PAZh...25..764A
   =1999AstL...25..662A
ADC_Keywords: Binaries, eclipsing ; Photometry, uvby, beta


Abstract:
    New uvby-β photometry of the unique binary RY Sct is reported.
    The results were interpreted using the light-curve synthesis method.
Object:
    -------------------------------------------------
       RA    (2000)    DE        Designation
    -------------------------------------------------
    18 25 31.48    -12 41 24.2   RY Sct = HD 169515
    -------------------------------------------------

File Summary:

       FileName      Lrecl  Records   Explanations

ReadMe            80        .   This file
table1.dat        54      235   Photoelectric observations of RY Sct


Byte-by-byte Description of file: table1.dat

   Bytes Format   Units   Label   Explanations

   1- 12  F12.4   d       JDH     [2445489/2448152] Julian date
  15- 19  F5.3    mag     umag    ? u magnitude (3452Å)
  22- 26  F5.3    mag     vmag    ? v magnitude (4128Å)
  29- 33  F5.3    mag     bmag    ? b magnitude (4711Å)
  35- 40  F6.3    mag     ymag    ? y magnitude (5509Å)
  43- 47  F5.3    mag     beta2   ? β2 parameter (4856Å)
  49- 54  F6.3    mag     beta1   β1 parameter (4868Å)


Table3: Parameters of RY Sct system in the model with disk,
         q = M1/M2 = 3.3, i = 85 °
     ---------------------------------------------------
      Parameters     Star             Disk
     ---------------------------------------------------
     L/(L1+L2)(u)    0.662           0.338
     L/(L1+L2)(v)    0.671           0.329
     L/(L1+L2)(b)    0.661           0.339
     L/(L1+L2)(y)    0.647           0.353
     ---------------------------------------------------
(End)                                 Veta Avedisova [INASAN]        10-May-2000