The SRG/eROSITA diffuse soft X-ray background - I. The local hot bubble in the western Galactic hemisphere

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Volume 690 (October 2024)

A&A, 690 (2024) A399

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Table A.1

Fitted LHB parameters of the seven high-SN spectra under the NEI and CIE assumptions. All but one region show an ionisation timescale of τ > 10¹² cm⁻³ s, essentially reducing to the CIE case.

	NEI			CIE
l(º)	b(º)	kT_LHB (keV)	τ_LHB (10¹² cm⁻³ s)	EM_LHB(10⁻³ cm⁻⁶ pc)	kT_LHB (ke V)	EM_LHB (10⁻³ cm⁻⁶ pc)
228	−72	0.120 ± 0.002	$25_{- 17}^{+ 16}$ $25_{ - 17}^{ + 16}$	${3.41}_{- 0.13}^{+ 0.14}$ $3.41_{ - 0.13}^{ + 0.14}$	0.115 ±0.002	${3.09}_{- 0.14}^{+ 0.15}$ $3.09_{ - 0.14}^{ + 0.15}$
202	−61	${0.114}_{- 0.002}^{+ 0.003}$ $0.114_{ - 0.002}^{ + 0.003}$	$30_{- 19}^{+ 13}$ $30_{ - 19}^{ + 13}$	${3.11}_{- 0.16}^{+ 0.12}$ $3.11_{ - 0.16}^{ + 0.12}$	${0.112}_{- 0.003}^{+ 0.002}$ $0.112_{ - 0.003}^{ + 0.002}$	${2.84}_{- 0.12}^{+ 0.13}$ $2.84_{ - 0.12}^{ + 0.13}$
229	−48	0.119 ± 0.003	26 ± 15	${4.34}_{- 0.37}^{+ 0.27}$ $4.34_{ - 0.37}^{ + 0.27}$	0.121 ±0.002	${4.05}_{- 0.18}^{+ 0.27}$ $4.05_{ - 0.18}^{ + 0.27}$
205	39	0.103 ± 0.002	$23_{- 17}^{+ 19}$ $23_{ - 17}^{ + 19}$	${3.48}_{- 0.13}^{+ 0.14}$ $3.48_{ - 0.13}^{ + 0.14}$	0.098 ± 0.002	${3.19}_{- 0.17}^{+ 0.14}$ $3.19_{ - 0.17}^{ + 0.14}$
241	45	0.116 ± 0.003	${0.55}_{- 0.07}^{+ 0.08}$ $0.55_{ - 0.07}^{ + 0.08}$	${3.12}_{- 0.11}^{+ 0.12}$ $3.12_{ - 0.11}^{ + 0.12}$	${0.097}_{- 0.002}^{+ 0.003}$ $0.097_{ - 0.002}^{ + 0.003}$	${2.96}_{- 0.17}^{+ 0.18}$ $2.96_{ - 0.17}^{ + 0.18}$
208	66	0.104 ±0.002	25 ± 16	${5.63}_{- 0.21}^{+ 0.19}$ $5.63_{ - 0.21}^{ + 0.19}$	0.098 ± 0.002	${5.41}_{- 0.25}^{+ 0.26}$ $5.41_{ - 0.25}^{ + 0.26}$
258	67	${0.104}_{- 0.002}^{+ 0.003}$ $0.104_{ - 0.002}^{ + 0.003}$	$17_{- 16}^{+ 22}$ $17_{ - 16}^{ + 22}$	${4.72}_{- 0.17}^{+ 0.18}$ $4.72_{ - 0.17}^{ + 0.18}$	0.097 ± 0.002	${4.43}_{- 0.20}^{+ 0.21}$ $4.43_{ - 0.20}^{ + 0.21}$

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