Multi-spacecraft observations of the decay phase of solar energetic particle events

Open Access

Table A.1.

Event parameters and results.

Event Date	Spacecraft	Δϕ, °	Radial distance, au	τ_E1	τ_P25	τ_P60	$\frac{d τ}{d (Δ ϕ)}$ $\frac{\mathrm{d} \tau }{\mathrm{d} (\Delta \phi )}$ , hrs/°	Error on $\frac{d τ}{d (Δ ϕ)}$ $\frac{\mathrm{d} \tau }{\mathrm{d} (\Delta \phi )}$
29/11/2020	SOHO	-156.0	0.98	30.8	22.7	-	-0.0429	0.0265

-	STEREO-A	-88.6	0.96	12.3	10.2	-	-	-

-	PSP	-30.4	0.81	15.3	11.3	-	-	-

-	SolO	107.4	0.88	15.6	8.9	6.6	-	-

07/12/2020	SOHO	-58.9	0.98	-	19.0	-	-0.0526	0.0638

-	STEREO-A	7.2	0.96	-	8.9	4.5	-	-

-	PSP	64.5	0.78	-	12.9	-	-	-

-	SolO	-161.0	0.84	-	-	-	-	-

28/05/2021	SOHO	-8.9	1.00	5.7	8.5	-	0.0089	0.0293

-	STEREO-A	41.0	0.96	-	6.9	-	-	-

-	PSP	-44.0	0.69	8.2	5.9	-	-	-

-	SolO	87.8	0.95	-	-	-	-	-

09/06/2021	SOHO	23.9	1.01	6.6	9.5	-	0.0150	0.0267

-	STEREO-A	63.6	0.96	-	8.4	-	-	-

-	PSP	-11.2	0.76	-	7.2	-	-	-

-	SolO	135.7	0.95	-	-	-	-	-

09/10/2021	SOHO	-93.9	0.99	15.8	18.3	-	-0.1019	0.0624

-	STEREO-A	-32.1	0.96	4.1	9.9	4.6	-	-

-	PSP	-2.8	0.77	7.7	9.9	-	-	-

-	SolO	-40.1	0.68	3.9	6.2	3.7	-	-

28/10/2021	SOHO	-70.8	0.98	24.9	30.6	17.9	-0.1836	0.0737

-	STEREO-A	-26.1	0.96	16.5	15.1	12.3	-	-

-	PSP	20.5	0.62	19.5	12.5	-	-	-

-	SolO	-40.5	0.80	21.5	17.4	13.9	-	-

20/01/2022	SOHO	26.3	0.98	14.3	14.1	5.7	-0.2783	0.0585

-	STEREO-A	42.8	0.97	8.8	10.3	7.1	-	-

-	PSP	-177.6	0.73	-	-	-	-	-

-	SolO	46.4	0.92	7.9	8.1	6.1	-	-

15/02/2022	SOHO	160.4	0.98	-	68.5	-	-	-

-	STEREO-A	-179.0	0.97	38.6	39.2	32.7	-	-

-	PSP	-8.5	0.38	-	-	-	-	-

-	SolO	-175.5	0.72	53.4	-	-	-	-

14/03/2022	SOHO	51.6	0.98	8.6	19.8	-	-0.3570	0.0

-	STEREO-A	76.7	0.97	-	10.8	-	-	-

-	PSP	-49.2	0.53	-	-	-	-	-

-	SolO	64.6	0.41	-	-	-	-	-

28/03/2022	SOHO	-47.6	0.99	7.4	10.9	6.3	-0.1269	0.0

-	STEREO-A	-17.5	0.97	5.6	7.1	5.4	-	-

-	PSP	-166.7	0.69	-	-	-	-	-

-	SolO	-111.6	0.33	-	-	-	-	-

11/05/2022	SOHO	8.0	1.00	8.6	10.5	-	-0.1146	0.0

-	STEREO-A	50.6	0.96	-	5.6	-	-	-

-	PSP	-67.6	0.59	-	-	-	-	-

-	SolO	-128.2	0.79	-	-	-	-	-

Notes. Event dates are taken from the SERPENTINE Events Catalog (Dresing et al. 2024). Spacecraft location is given as calculated using Solar-MACH (Gieseler et al. 2023). The τ values found for each particle channel as well as the $\frac{d τ}{d (Δ ϕ)}$ $\frac{\mathrm{d} \tau }{\mathrm{d} (\Delta \phi )}$ values (for the ∼ 25 MeV proton channel) with their errors are also given.

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