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Doppler tomography of the black hole binary A0620-00 and the origin of chromospheric emission in quiescent X-ray binaries
Doppler tomography of emission line profiles in low mass X-ray binaries allows us to disentangle the different emission sites and study the structure and variability of accretion disks. We present UVES high-resolution spectroscopic observations of the black hole binary A0620-00 at quiescence.These spectroscopic data constrain the orbital parameters Porb=0.32301405(1) d …