Maitra, D; Markoff, S; Brocksopp, C; (2008) Unity in diversity: Constraints on jet/disk geometry and radiative processes in stellar black holes via modeling broadband SEDs. In: Bandyopadhyay, RM and Wachter, S and Gelino, D and Gelino, CR, (eds.) POPULATION EXPLOSION: THE NATURE AND EVOLUTION OF X-RAY BINARIES IN DIVERSE ENVIRONMENTS. (pp. 94 - 96). AMER INST PHYSICS
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(and Motivation] State transitions in X-ray binaries are manifestations of instabilities in the accretion in/outflow. Therefore, time dependence in the energetics must to be taken into account to understand such transitions. However, most spectral models assume a static, steady-state scenario, and therefore work well only when the source is either in the hard state or in the soft state. For example, a compact jet model, coupled with a T similar to R-3/4 accretion disk and a thermal blackbody (see e.g. (Markoff et al. 2005) for a description of the model), has been successfully used to model broadband spectra of several X-ray binaries in the hard state, but not the intermediate states. With the long-term goal to study time dependence, we present new results of studying quasi-simultaneous broadband data from radio to X-rays for GX 339-4 and J1118+480 in the hard X-ray state, using the jet model, to constrain system geometry and emission processes, which will in turn serve as starting points for the time-dependent models.
|Title:||Unity in diversity: Constraints on jet/disk geometry and radiative processes in stellar black holes via modeling broadband SEDs|
|Event:||Conference on Nature and Evolution of X-Ray Binaries in Diverse Environments|
|Location:||St Pete Beach, FL|
|Dates:||2007-10-28 - 2007-11-02|
|Keywords:||XTE J1118+480, MULTIWAVELENGTH OBSERVATIONS, SYNCHROTRON EMISSION, OUTBURST, XTE-J1118+480|
|UCL classification:||UCL > School of BEAMS > Faculty of Maths and Physical Sciences > Space and Climate Physics|
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