scholarly journals The 2:3:6 quasi-periodic oscillation structure in GRS 1915+105 and cubic subharmonics in the context of relativistic discoseismology

2014 ◽  
Vol 440 (4) ◽  
pp. 3011-3015 ◽  
Author(s):  
M. Ortega-Rodríguez ◽  
H. Solís-Sánchez ◽  
V. López-Barquero ◽  
B. Matamoros-Alvarado ◽  
A. Venegas-Li
Keyword(s):  
Periodic Oscillation ◽  
Quasi Periodic Oscillation ◽  
Oscillation Structure

scholarly journals Stochastic modeling of kHz quasi-periodic oscillation light curves

2006 ◽  
Vol 452 (2) ◽  
pp. 383-386 ◽  
Author(s):  
R. Vio ◽  
P. Rebusco ◽  
P. Andreani ◽  
H. Madsen ◽  
R. V. Overgaard
Keyword(s):  
Stochastic Modeling ◽  
Periodic Oscillation ◽  
Light Curves ◽  
Quasi Periodic Oscillation

scholarly journals Distribution of twin kHz QPOs in LMXBs

2012 ◽  
Vol 8 (S290) ◽  
pp. 327-328
Author(s):  
D. H. Wang ◽  
L. Chen
Keyword(s):  
Common Property ◽  
Periodic Oscillation ◽  
Quasi Periodic Oscillation ◽  
Mean Values ◽  
Orbital Frequency ◽  
Low Mass ◽  
The Common ◽  
The Mean ◽  
X Ray Binaries ◽  
Z Sources

AbstractWith kilohertz quasi-periodic oscillation (kHz QPO) sources in neutron star low mass X-ray binaries (NS-LMXBs) published up to now, we analyze the centroid frequency (ν) distribution of twin kHz QPOs. We find that Atoll and Z sources show the similar distributions of ν1 and ν2, which indicate that twin kHz QPOs may be the common property of NS-LXMBs and have the similar physical origins. The mean values of ν1 and ν2 in Atoll sources are higher than those in Z sources, and we consider that this may because the QPO signals are sheltered by the thicken accretion disk or corona in Z sources. The maximums of ν2 in both Atoll and Z sources are the same order as the Keplerian orbital frequency of the NS surface, so kHz QPOs could occur near the NS surface.

scholarly journals A 34.5 day quasi-periodic oscillation in γ-ray emission from the blazar PKS 2247–131

2018 ◽  
Vol 9 (1) ◽  
Author(s):  
Jianeng Zhou ◽  
Zhongxiang Wang ◽  
Liang Chen ◽  
Paul J. Wiita ◽  
Jithesh Vadakkumthani ◽  
...  
Keyword(s):  
Periodic Oscillation ◽  
Quasi Periodic Oscillation ◽  
Γ Ray

scholarly journals A NICER Discovery of a Low-frequency Quasi-periodic Oscillation in the Soft-intermediate State of MAXI J1535–571

2018 ◽  
Vol 865 (2) ◽  
pp. L15 ◽  
Author(s):  
A. L. Stevens ◽  
P. Uttley ◽  
D. Altamirano ◽  
Z. Arzoumanian ◽  
P. Bult ◽  
...  
Keyword(s):  
Intermediate State ◽  
Low Frequency ◽  
Periodic Oscillation ◽  
Quasi Periodic Oscillation
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