A Systematic Study on Energy Dependence of Quasi-Periodic Oscillation Frequency in GRS 1915+105

Details A Systematic Study on Energy Dependence of Quasi-Periodic Oscillation Frequency in GRS 1915+105 A Systematic Study on Energy Dependence of Quasi-Periodic Oscillation Frequency in GRS 1915+105

2011-07-19

arxiv.org/abs/1107.3621v2

Astronomy and Astrophysics

Astrophysics

High Energy Astrophysical Phenomena

Scientific paper

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. (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.

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