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Evolution of the accretion disk-corona during bright hard-to-soft state transition: A reflection spectroscopic study with GX 339-4
Navin Sridhar, Javier A. García, James F. Steiner +3
We present the analysis of several observations of the black hole binary GX 339--4 during its bright intermediate states from two different outbursts (2002 and 2004), as observed b…
The 2017 Failed Outburst of GX 339-4: Relativistic X-ray Reflection near the Black Hole Revealed by NuSTAR and Swift Spectroscopy
Javier A. García, John A. Tomsick, Navin Sridhar +12
We report on the spectroscopic analysis of the black hole binary GX 339-4 during its recent 2017-2018 outburst, observed simultaneously by the Swift and NuSTAR observatories. Altho…
Conflicting disk inclination estimates for the black hole X-ray binary XTE J1550-564
Riley~M. ~T. ~Connors, Javier~A. ~Garcia, James~F. ~Steiner +7
XTE J1550-564 is a black hole X-ray binary for which the dynamical characteristics are well established, and the broadband spectral evolution of the source has been well studied. I…
Probing the Black Hole Engine with Measurements of the Relativistic X-ray Reflection Component
Javier A. García, Matteo Bachetti, David R. Ballantyne +21
Over the last decades X-ray spectroscopy has proven to be a powerful tool for the estimation of black hole spin and several other key parameters in dozens of AGN and black hole X-r…
Combining timing characteristics with physical broadband spectral modelling of black hole X-ray binary GX~3394
Riley M. T. Connors, David van Eijnatten, Sera Markoff +6
GX~3394 is a black hole X-ray binary that is a key focus of accretion studies since it goes into outburst roughly every two-to-three years. Tracking of its radio, IR and X-ray f…