Speaker
Description
Orbital phase-resolved spectroscopy of High Mass X-ray Binaries (HMXBs) allow detailed probe of the X-ray reprocessing environment and line of sight absorption of the X-rays by the stellar wind through different lines of sights in the binary. Same study, when carried out at different intensity levels of a given binary system allows probes of the changes in the reprocessing/absorption agents which may also be responsible for the X-ray intensity variations. We have investigated several HMXBs, including GX 301-2, Cen X-3, and Vela X-1 for their orbital phase dependence of the spectral parameters and intensity dependence of the same using long term data from MAXI-GSC onboard the ISS. Insights gained from the MAXI results for these individual systems to understand their stellar wind characteristics will be presented.
