Constraining the nature of the most extreme Galactic particle accelerator - H.E.S.S. observations of the microquasar V4641 Sgr

Open Access

Table A.1.

Best-fit parameters for additional spectro-morphological models considered.

Model	ϕ₀	Γ	E₀	l	b	σ_major	σ_minor	e	θ
	(10⁻¹³ TeV⁻¹cm⁻²s⁻¹)		(TeV)	(deg)	(deg)	(deg)	(deg)		(deg)
single elliptical component with η = 0.25 ± 0.13, (ΔTS_A = 2.2, ΔN_dof = 1 → 1.5σ)
A_disk	1.60 ± 0.24	1.82 ± 0.11	2	6.718 ± 0.032	4.880 ± 0.026	0.56 ± 0.06a	0.10 ± 0.02a	0.983 ± 0.005	52.6 ± 2.0

two components, shared angle, (ΔTS_A = 20.1, ΔN_dof = 6 → 3σ)
C1	0.88 ± 0.21	1.80 ± 0.16	2	6.889 ± 0.028	−4.746 ± 0.20	0.16 ± 0.05	0.04 ± 0.02	0.961 ± 0.033	58.6 ± 4.4
C2	1.08 ± 0.29	1.96 ± 0.19	2	6.522 ± 0.042	−5.065 ± 0.036	0.18 ± 0.05	0.11 ± 0.05	0.792 ± 0.174	-

two components, all free, (ΔTS_A = 21.8, ΔN_dof = 7 → 3σ)
D1	0.68 ± 0.19	1.75 ± 0.16	2	6.917 ± 0.023	−4.726 ± 0.016	0.11 ± 0.03	0.05 ± 0.02	0.894 ± 0.085	60.2 ± 9.1
D2	1.12 ± 0.25	1.95 ± 0.18	2	6.543 ± 0.03	−5.014 ± 0.026	0.17 ± 0.07	0.10 ± 0.07	0.815 ± 0.261	59.3 ± 19.7

Notes. Uncertainties are statistical only. Systematic uncertainties should be taken as of similar magnitude as those in Table 1.

Note that the best-fit spatial scales σ_major and σ_minor correspond to roughly 68% containment radii for η = 0.25 but 39% for the Gaussian (η = 0.5) case.

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.