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J/AZh/86/158     UBVR light curves of GSC 4596-1254 = SAO 3282   (Volkov+, 2009)

The physical parameters and orbit of the eclipsing binary system GSC 4596 1254 = SAO 3282. Volkov I.M., Volkova N.S. <Astron. Zh. 86, 158 (2009)> =2009AZh....86..158V =2009ARep...53..136V
ADC_Keywords: Binaries, eclipsing ; Photometry, UBVRI Abstract: We have obtained the first UBVR photoelectric light curves for a recently discovered eclipsing binary with a period of 9.33d and an appreciable eccentricity (e=0.08). We have used these data to determine the photometric elements of the system for a model with two spherical stars with linear limb darkening. The high accuracy of the observations enabled determination of the absolute parameters of the components using available calibrations. The masses of the components are 1.28 and 1.08M, and their ages are two billion years. The present orientation of the orbital ellipse is unfavorable for studies of the apsidal rotation, which is essentially due to relativistic effects. Description: We observed the star for five nights in the Summer and Fall of 2007. The observations began on the Zeiss-600 reflector (D=600mm, F=7500mm) of the Zvenigorod Observatory of the Institute of Astronomy of the Russian Academy of Sciences and a single-channel UBV photometer designed by I.M.Volkov and equipped with an EMI-9789 photomultiplier. Objects: -------------------------------------------------- RA (2000) DE Designation(s) -------------------------------------------------- 19 44 18.4 +81 47 32 GSC 4596-1254 = SAO 3282 -------------------------------------------------- File Summary:
FileName Lrecl Records Explanations
ReadMe 80 . This file table3.dat 20 475 Individual observations in V table4.dat 20 349 Individual observations in B table5.dat 20 276 Individual observations in R table6.dat 20 53 Individual observations in U
Byte-by-byte Description of file: table?.dat
Bytes Format Units Label Explanations
1- 13 F13.5 d HJD Heliocentric Julian deate 15- 20 F6.3 mag mag Magnitude (V, B, R or U)
History: From electronic version of the journal
(End) Patricia Vannier [CDS] 12-Mar-2009
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