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Yan S.-P.,Chinese Academy of Sciences | Yan S.-P.,University of Chinese Academy of Sciences | Yan S.-P.,Opening Laboratory of Cosmic Ray and High Energy Astrophysics | Qu J.-L.,Chinese Academy of Sciences | And 12 more authors.
Astrophysics and Space Science | Year: 2012

Systematically studying all the RXTE/PCA observations for GRS 1915+105 before November 2010, we have discovered three additional patterns in the relation between Quasi-Periodic Oscillation (QPO) frequency and photon energy, extending earlier outcomes reported by Qu et al. (Astrophys. J. 710:836, 2010). We have confirmed that as QPO frequency increases, the relation evolves from the negative correlation to positive one. The newly discovered patterns provide new constraints on the QPO models. © 2011 Springer Science+Business Media B.V.

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