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We have analyzed the longitudinally polarized proton target asymmetry data ofthe Deep Virtual Compton process recently published by the HERMES collaborationin terms of Generalized Parton Distributions. We have fitted these new data ina largely model-independent fashion and the procedure results in numericalconstraints on the $\tilde{H}_\mathrm{Im}$ Compton Form Factor. We present its$t-$ and $\xi-$ dependencies. We also find improvement on the determination oftwo other Compton Form Factors, $H_\mathrm{Re}$ and $H_\mathrm{Im}$.

Constraints on the $\tilde{H}$ Generalized Parton Distribution from Deep Virtual Compton Scattering Measured at HERMES