Authors: Chunming Zhu (Montana State University), Ryoma Matsuura (Trinity University), Jiong Qiu (Montana State University)

To study the energy partition in flare-CME events, we investigate the flare heating and CME energetics in dozens of flare-CME events with the flares ranging from C to X class. The heating and cooling processes during each flare are modeled with the Ultraviolet Footpoint Calorimeter (UFC) method and the 0D EBTEL code, and the model parameters are determined by optimizing the comparison of the synthetic emissions through multiple temperatures with multi-wavelength intensities of the source active regions observed in EUV and soft X-ray, with an average Pearson correlation coefficient of ~0.8. The CME masses and velocities are determined by utilizing STEREO/COR2 white-light observation when the CME fronts arrive at ~10 solar radii. Our result suggests that the flare heating energy and CME mechanical energy are comparable, and the ratio of the former to the latter is ~0.77, but can vary by one order of magnitude. We also found the ratio of coronal radiation loss (Rc) to the transition region loss (Rtr) to be 0.31+/-0.16, and a power-law relationship between them Rtr ~ Rc^1.5. We discuss the scaling laws of model parameters characterizing the heating and cooling with respect to the flare magnitude.