Figure 1: Relationship between various parameters in the complete f-sample: a) mean velocity and angular width; b) mean velocity and largest measured distance; c) angular width and the distance of the source region from the disc center; d) mean velocity and the 1-8 Å peak flux of the associated SXR flare. Black circles represent halo-CMEs. Linear least-square fit parameters are given in the insets (black - complete sample, gray - non-halo CMEs, C is the correlation coefficient). The statistical significance of all correlations is greater than 99.99%. | |
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Figure 2: a) CME mean velocities versus the source-region position , shown for the complete non-halo f-sample. b) Contour-plot of the 2-dimensional distribution of the data-points displayed in a). c) Mean velocities versus for the complete non-halo p-sample. The parameters of the linear least-square fit (bold-black lines) in a) and c) are shown in the insets. The thin and dashed lines outline the decreasing trend of the velocity range towards the disc center. | |
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Figure 3: The correlation between mean velocities and the source-region position for: a) non-halo f-sample restricted to m s^{-2} and .; b) non-halo p-sample restricted to m s^{-2}. The least-square fit parameters are given in the insets. Statistical significances are P>99.95% and P>99.97%, respectively. Bold lines represent the linear least-square fit, whereas thin and dashed lines outline the "upper limit'' trend like in Figs. 2a and 2c. | |
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Figure 4: The correlation between mean velocities and the source-region position for the reduced non-halo CME samples shown in Fig. 3, divided in W-bin subsamples: a) f-sample ( - black dots and black-thick line, - gray triangles and gray-thick line, - crosses and gray-dashed line); b) the p-sample ( - black, - gray). The least-square fit parameters are given in the insets. | |
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Figure 5: Comparison of the empirical and the model-based correction factors . a) Empirical values based on f-subsamples shown in Fig. 4a ( thick, thin, and dashed; mean widths are written by the curves). b) Correction factors derived from the cone model B by employing mean widths of CME subsamples shown in a). c) Empirical correction factors based on p-subsamples shown in Fig. 4b ( - black-thick, - black-thin) compared with the correction factors based on the cone model B calculated for the corresponding mean widths (gray thick and thin lines, respectively). | |
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Figure 6: The ratio of the plane-of-sky velocity v and the true velocity v^{*}, presented as a function of the source-region position, derived from a) model A, b) model B, c) model C. | |
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