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Ccd Photometry And Time Series Analysis Of V2275 Cyg And Rw Umi Using Data From The Tubitak National Observatory

In this work, we analyze the data from 1.5 m telescope of Tubitak National
Observatory (TUG) for two objects V2275 Cyg and RW UMi. After applying
aperture and PSF photometry to the CCD data, we derive the light curve of the
objects. Also we apply discrete Fourier transform and Scargle time series analysis
to obtain power spectrum and search for periodicities in their power spectra in
which both systems show interesting properties. We discover large variations in
V2275 Cyg due to irradiation effects on the secondary, with an orbital period
Porb = 0.316&plusmn / 0.007 day. We also detect a very short orbital period for RW UMi
Porb = 1.96&plusmn / 0.073h and also a spin period Pspin = 1.29&plusmn / 0.036h in the presence
of several beat frequencies. These results (if con&amp / #64257 / rmed) lead us to say that RW
UMi can be an intermediate of polar system.

Identiferoai:union.ndltd.org:METU/oai:etd.lib.metu.edu.tr:http://etd.lib.metu.edu.tr/upload/12605246/index.pdf
Date01 August 2004
CreatorsYilmaz, Arda Mustafa
ContributorsBalman, Solen
PublisherMETU
Source SetsMiddle East Technical Univ.
LanguageEnglish
Detected LanguageEnglish
TypeM.S. Thesis
Formattext/pdf
RightsTo liberate the content for public access

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