Kansas State University - Astronomy
"Equipped with his five senses, man explores the Universe around him and calls the adventure science" - Edwin P. Hubble


 
           
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Apeture, quality optics, good flat fields and decent tracking are necessary for photometry.  Basically the telescope tracks and images the same field of view over several periods of variability to record the photometric signature of the system.  We mainly focus on the photometry of contact binaries because the periods are relatively short and difficult to detect visually.  Differential photometry sifts through several hundred images a night and detects subtle difference between the target star, a comparison star and check star as shown to the far right. Photometry wz_cyg
wz_cyg The plot to the left is that of the contact binary system WZ Cyngi in the constellation Cyguns the Swan.  It shows a period of 0.5845 days. Location of WZ_Cyg


wz_cyg