Evolution of coronal mass ejections with and without sheaths from the inner to the outer heliosphere: Statistical investigation for 1975 to 2022

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Volume 685 (May 2024)

A&A, 685 (2024) A89

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Table 4.

Power law density fitting parameters (N = δ ⋅ r^β) for each structure and heliocentric distance.

Distance (AU)	Structure	δ	β
0.25–5.42	Sheath	13.03 ± 0.34	−2.14 ± 0.06
0.25–5.42	MO Cat I	7.26 ± 0.18	−2.10 ± 0.06
0.25–5.42	MO Cat II	7.22 ± 0.33	−2.07 ± 0.05
Inner and Outer	$\bar{MO}$ $\overline{MO}$	6.48 ± 0.43	−2.46 ± 0.12

0.25–0.99	Sheath	12.93 ± 0.42	−2.15 ± 0.07
0.25–0.99	MO Cat I	7.32 ± 0.23	−2.09 ± 0.07
0.25–0.99	MO Cat II	7.23 ± 0.46	−2.07 ± 0.07
Inner	$\bar{MO}$ $\overline{MO}$	7.17 ± 1.51	−2.42 ± 0.46

1–5.42	Sheath	13.56 ± 0.65	−3.67 ± 1.93
1–5.42	MO Cat I	7.11 ± 0.29	−2.22 ± 1.38
1–5.42	MO Cat II	7.21 ± 0.33	−2.22 ± 0.78
Outer	$\bar{MO}$ $\overline{MO}$	–	−1.78 ± 0.53

Notes. Each block represents a different distance range (inner and outer, inner, and outer) detailed in the first column. The term $\bar{MO}$ $\overline{MO}$ refers to the average value from previous studies, as detailed in Appendix B.1.

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