scholarly journals Correlation among Quasi-Periodic Oscillation Frequencies and Quiescent-State Duration in Black Hole Candidate GRS 1915+105

2000 ◽  
Vol 531 (1) ◽  
pp. L41-L44 ◽  
Author(s):  
Sandip K. Chakrabarti ◽  
Sivakumar G. Manickam
Keyword(s):  
Black Hole ◽  
Periodic Oscillation ◽  
Quiescent State ◽  
Quasi Periodic Oscillation ◽  
Black Hole Candidate ◽  
State Duration ◽  
Oscillation Frequencies

scholarly journals The determination of the GX 339-4's mass based on its 2010 outburst

2010 ◽  
Vol 6 (S275) ◽  
pp. 327-328
Author(s):  
Tao Chen
Keyword(s):  
Black Hole ◽  
Timing Analysis ◽  
Periodic Oscillation ◽  
Spectral Parameters ◽  
Quasi Periodic Oscillation ◽  
Black Hole Candidate ◽  
Centroid Frequency ◽  
Timing Properties ◽  
The Relationship

AbstractIn this paper we investigate the quasi periodic oscillation (QPO) behavior of the black hole candidate GX 339-4 during its 2010 outburst using RXTE/PCA data. We perform spectral and timing analysis of the observations, where the QPOs are observed. We analyze the relationship between the centroid frequency of QPO and the spectral parameters. The correlation of spectral and timing properties can be used to estimate the mass of black hole with the scaling method. Using this method we estimate a mass of 7.5 ± 0.8 M⊙ of GX 339-4.

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