Photometric observation and light curve analysis of binary system ER-Orionis |
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| Authors: | M M Lame’e B Javanmardi N Riazi |
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| Institution: | 1.Leiden Observatory,Leiden University,Leiden,The Netherlands;2.Department of Physics, Biruni Observatory,Shiraz University,Shiraz,Iran |
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| Abstract: | Photometric observations of the over-contact binary ER ORI were performed during November 2007 and February to April 2008
with the 51 cm telescope of Biruni Observatory of Shiraz University in U, B and V filters (Johnson system) and an RCA 4509
photomultiplier. We used these data to obtain the light curves and calculate the newtimes of minimum light in each filter
and plot the O-C diagram of ER ORI. Using theWilson’s computer code with the help of an auxiliary computer program to improve
the optimizations, the light curve analyses were carried out to find out the photometric elements of the system. |
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