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Are the two peaks of the Cathedral QPO real harmonics?

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arxiv 1111.1501 v1 pith:BRHCQDKY submitted 2011-11-07 astro-ph.HE

Are the two peaks of the Cathedral QPO real harmonics?

Jerome Rodriguez , Peggy Varni\`ere This is my paper
classification astro-ph.HE
keywords samecathedralpeakstheyvariationsamplitudeanswercut-off
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We present a study of the two main peaks of the so-called cathedral QPO in XTE J1859+226. While looking at the temporal evolution of the two features we show that they do not manifest the same amplitude of variations of their power, and do not seem to follow the flux variations in the same way. We then present their RMS-spectra and show that they do not have the same shape, slope and cut-off energy. We discuss these different facts and try to answer the question regarding the genuineness of their harmonic relationship.

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